0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) fork() getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 7: sched_setparam(0x0, 0x0) r0 = fork() waitid(0x2, r0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) 01:06:04 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 7: sched_setparam(0x0, 0x0) r0 = fork() waitid(0x2, r0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) 01:06:04 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:04 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) fork() getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:04 executing program 7: sched_setparam(0x0, 0x0) r0 = fork() waitid(0x2, r0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) 01:06:04 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:13 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) r0 = fork() waitid(0x2, r0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) 01:06:13 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:13 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:13 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:13 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:13 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:13 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:13 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:23 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:23 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:23 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:23 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:23 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) r0 = fork() waitid(0x0, r0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) 01:06:23 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:23 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:23 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:23 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) fork() waitid(0x0, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) [ 407.609371] cgroup: fork rejected by pids controller in /syz1 01:06:23 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:23 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) fork() waitid(0x0, 0x0, 0x0, 0x40000000, &(0x7f00000000c0)) 01:06:23 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:24 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:24 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) fork() waitid(0x0, 0x0, 0x0, 0x40000000, &(0x7f00000000c0)) 01:06:24 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:24 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:24 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:24 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:24 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) fork() waitid(0x0, 0x0, 0x0, 0x40000000, &(0x7f00000000c0)) 01:06:24 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) [ 408.097560] cgroup: fork rejected by pids controller in /syz7 01:06:24 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:24 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:24 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:24 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:24 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:24 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) fork() waitid(0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) 01:06:33 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:33 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:33 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:33 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:33 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:33 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:33 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) fork() waitid(0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) 01:06:33 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:34 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:34 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) fork() waitid(0x0, 0x0, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) 01:06:34 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:34 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:34 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:34 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) fork() waitid(0x0, 0x0, &(0x7f0000000040), 0x40000000, 0x0) 01:06:44 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:44 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) [ 427.939287] cgroup: fork rejected by pids controller in /syz0 01:06:44 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) fork() waitid(0x0, 0x0, &(0x7f0000000040), 0x40000000, 0x0) 01:06:44 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:44 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 7: sched_setparam(0x0, &(0x7f0000000000)) fork() waitid(0x0, 0x0, &(0x7f0000000040), 0x40000000, 0x0) 01:06:44 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:44 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:53 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:53 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:53 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:53 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:53 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:53 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:53 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:53 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:53 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:53 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:53 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:54 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:54 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:06:54 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:54 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:06:54 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) [ 437.897191] cgroup: fork rejected by pids controller in /syz2 01:07:04 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:04 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:04 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:14 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:14 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:14 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:23 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:23 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:23 executing program 6: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:23 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:23 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:23 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:23 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:23 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) [ 467.846155] cgroup: fork rejected by pids controller in /syz3 01:07:24 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:24 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:34 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:34 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:34 executing program 6: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:34 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 6: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 6: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:34 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:35 executing program 4: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:35 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:35 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:44 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:44 executing program 6: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:44 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:44 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:44 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:44 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:44 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:44 executing program 4: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:45 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:45 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:45 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:54 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:54 executing program 5: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:54 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:54 executing program 6: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:54 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:54 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:54 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:54 executing program 4: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:55 executing program 2: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:07:55 executing program 0: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:55 executing program 4: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:55 executing program 5: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:55 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:55 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:55 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:07:55 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 4: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 5: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 2: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:04 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 0: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 5: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 0: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 4: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:04 executing program 2: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:05 executing program 1: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:05 executing program 0: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:14 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:14 executing program 5: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:14 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:14 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:14 executing program 0: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:14 executing program 2: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:14 executing program 1: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:14 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:14 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:14 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:14 executing program 0: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:24 executing program 1: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:24 executing program 2: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:24 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:24 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:24 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:24 executing program 5: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:24 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:24 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:24 executing program 1: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:24 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:24 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:25 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:25 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:25 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:25 executing program 2: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:25 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:25 executing program 1: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:25 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:25 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:33 executing program 1: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r2, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:33 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:33 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:33 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:33 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:33 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:33 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:33 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:33 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:33 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:34 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:34 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:34 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:34 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:34 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:34 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:43 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:43 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:43 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:44 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:44 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:54 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:08:54 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:08:54 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:09:04 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 3: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:09:04 executing program 3: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 3: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 3: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:09:14 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:14 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:09:26 executing program 3: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 3: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) getpid() sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:26 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:09:26 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:27 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:27 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:27 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:27 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:09:27 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:09:35 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:35 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:45 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:45 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:09:45 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:45 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:45 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:45 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:45 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:45 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:45 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:46 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:46 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:46 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:46 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:46 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:46 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:46 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:46 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:09:55 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:55 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:55 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:55 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:55 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:09:55 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:55 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:55 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:56 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:56 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:56 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:56 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:56 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:56 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:56 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:09:56 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:06 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:06 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:06 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:06 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:15 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) ptrace(0x4207, 0x0) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(0x0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:15 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:15 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:15 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:15 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:15 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:15 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:15 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:16 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:16 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:16 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:16 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:16 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:16 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:16 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:16 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:16 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:25 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:25 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:25 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 7: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:34 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:34 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 7: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:34 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:43 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:43 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:43 executing program 7: r0 = getpgrp(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:43 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:43 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:43 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:43 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:43 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:43 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:44 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:44 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:44 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:44 executing program 7: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 7: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:54 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 7: sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r0 = getpid() ptrace(0x4207, r0) sched_setparam(r0, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r1 = fork() sched_getscheduler(r1) sched_getscheduler(r0) waitid(0x2, r1, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r2, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:10:54 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:10:54 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:04 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:04 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:05 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:05 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:05 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:05 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:05 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:05 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:05 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:05 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:15 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:15 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:15 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:15 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:15 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:15 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(0x0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:15 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:15 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:15 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:25 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:25 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:25 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:25 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:25 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0xffffffffffffffff, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:26 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:26 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:26 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:37 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:37 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:37 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:37 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:37 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:37 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:37 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:37 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:53 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:53 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:53 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:53 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:53 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:53 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:53 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:53 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:54 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:54 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, 0x0) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:54 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:54 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:54 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:54 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:54 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:54 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:54 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:54 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:54 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:54 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:11:54 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:11:55 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:06 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:06 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:06 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:06 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:06 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:06 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:06 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:06 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:06 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:06 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:06 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:07 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:07 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:07 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(0x0, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:07 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:07 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:07 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:16 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:16 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:16 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:26 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, 0x0) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:26 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:26 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:35 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:35 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:35 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:35 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:35 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:35 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:35 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:35 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:36 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:36 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:36 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:46 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:46 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:46 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:46 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:46 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:46 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:46 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0xffffffffffffffff, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:46 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:47 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:47 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:47 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:47 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:47 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:47 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:57 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:57 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:57 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:57 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:57 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, 0x0, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:57 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:12:57 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:12:57 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r3, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:06 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, 0x0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:06 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, 0x0, 0x40000c0) 01:13:06 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:06 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:07 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:07 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:07 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:07 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, 0x0, 0x40000c0) 01:13:07 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:07 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:07 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:15 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:15 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:15 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:15 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:15 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:15 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(0x0) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:15 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:15 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, 0x0, 0x40000c0) 01:13:16 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:16 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:16 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:16 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:16 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:16 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:16 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:16 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:26 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:26 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:26 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:26 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:26 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:26 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:26 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180), 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:26 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:26 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:27 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:27 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:27 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:27 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:27 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(0x0) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:37 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, 0x0, 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, 0x0, 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:37 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:38 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:38 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:38 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:38 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:48 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440), 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:48 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x0, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:48 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:48 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:48 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:48 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:48 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, 0x0, 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:48 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:49 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:49 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:49 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:49 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:49 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:58 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:58 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x0) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:58 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:58 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x0, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:58 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:58 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:58 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:58 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:59 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:59 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:59 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:59 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x0) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:59 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:59 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, 0x0, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:59 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x0, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:59 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={0x0}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:13:59 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:13:59 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, 0x0, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x0) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x0, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={0x0}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:14:09 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={0x0}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:14:09 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, 0x0, &(0x7f0000000400)) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0x0) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:09 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0x0) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, 0x0, 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:14:20 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, 0x0, &(0x7f0000000400)) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={0x0}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x0, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, 0x0, &(0x7f0000000400)) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0x0) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:14:20 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:20 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:14:31 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, 0x0) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x0, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:14:31 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, 0x0) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:31 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, 0x0) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:14:40 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:40 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) [ 904.856126] ------------[ cut here ]------------ [ 904.856662] percpu ref (obj_cgroup_release) <= 0 (-348) after switching to atomic [ 904.856791] WARNING: lib/percpu-refcount.c:197 at percpu_ref_switch_to_atomic_rcu+0x3cc/0x480, CPU#0: ksoftirqd/0/14 [ 904.858219] Modules linked in: [ 904.858517] CPU: 0 UID: 0 PID: 14 Comm: ksoftirqd/0 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) [ 904.859443] Tainted: [W]=WARN [ 904.859699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 904.860368] RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x3cc/0x480 [ 904.860863] Code: 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 9e 00 00 00 49 8b 75 e8 48 c7 c7 80 97 e2 84 e8 75 c5 e9 fe 90 <0f> 0b 90 90 e9 2b ff ff ff e8 f6 de 5f ff e9 9e fe ff ff e8 7c df [ 904.862301] RSP: 0018:ffff888009617c70 EFLAGS: 00010282 [ 904.862729] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8139de70 [ 904.863303] RDX: ffff888009601b80 RSI: ffffffff8139de7e RDI: 0000000000000001 [ 904.863875] RBP: 7ffffffffffffea8 R08: 0000000000000001 R09: ffffed100d9c4801 [ 904.864449] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800acd8a00 [ 904.865030] R13: ffff88800acd8a20 R14: 0000000000000002 R15: 0000000000000003 [ 904.865594] FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 [ 904.866245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 904.866707] CR2: 00007f82fb49e000 CR3: 000000001d756000 CR4: 0000000000350ef0 [ 904.867285] Call Trace: [ 904.867497] [ 904.868135] ? rcu_core+0x7c3/0x1800 [ 904.868938] rcu_core+0x7c8/0x1800 [ 904.869885] ? __pfx_rcu_core+0x10/0x10 [ 904.870916] ? __pfx___schedule+0x10/0x10 [ 904.871925] handle_softirqs+0x1b1/0x770 [ 904.873232] ? __pfx_run_ksoftirqd+0x10/0x10 [ 904.874262] ? smpboot_thread_fn+0x371/0x9d0 [ 904.875316] run_ksoftirqd+0x2e/0x60 [ 904.876363] smpboot_thread_fn+0x41d/0x9d0 [ 904.877021] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 904.877412] kthread+0x3c8/0x740 [ 904.877692] ? __pfx_kthread+0x10/0x10 [ 904.878020] ? ret_from_fork+0x23/0x430 [ 904.878354] ? lock_release+0xc8/0x290 [ 904.878672] ? __pfx_kthread+0x10/0x10 [ 904.879000] ret_from_fork+0x34b/0x430 [ 904.879322] ? __pfx_kthread+0x10/0x10 [ 904.879637] ret_from_fork_asm+0x1a/0x30 [ 904.880001] [ 904.880193] irq event stamp: 8097154 [ 904.880484] hardirqs last enabled at (8097162): [] __up_console_sem+0x78/0x80 [ 904.881189] hardirqs last disabled at (8097171): [] __up_console_sem+0x5d/0x80 [ 904.881878] softirqs last enabled at (8096558): [] handle_softirqs+0x50c/0x770 [ 904.882592] softirqs last disabled at (8096561): [] run_ksoftirqd+0x2e/0x60 [ 904.883280] ---[ end trace 0000000000000000 ]--- [ 904.883656] percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff88800acd8a00 pointer offset 0 size 64 [ 904.884834] percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff88803cb22380 pointer offset 0 size 64 01:14:49 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:14:49 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, 0x0) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, 0x0, 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x3c, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 6: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 2: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x30, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) syz_open_dev$char_usb(0xc, 0xb4, 0x8) syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) 01:14:49 executing program 4: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) getsockopt$bt_sco_SCO_CONNINFO(0xffffffffffffffff, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, 0x0, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 1: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:49 executing program 0: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) ioctl$TUNSETOWNER(0xffffffffffffffff, 0x400454cc, 0xee01) syz_open_dev$char_usb(0xc, 0xb4, 0x8) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:50 executing program 7: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, 0x0, 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:50 executing program 3: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r4, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) 01:14:50 executing program 5: r0 = getpgrp(0x0) sched_getscheduler(r0) prctl$PR_MCE_KILL_GET(0x22) r1 = getpid() ptrace(0x4207, r1) sched_setparam(r1, &(0x7f0000000000)=0x2) ptrace(0x4208, r0) r2 = fork() sched_getscheduler(r2) getpid() sched_getscheduler(r1) waitid(0x2, r2, &(0x7f0000000040), 0x40000000, &(0x7f00000000c0)) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x44, 0x0, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x4050}, 0x8000) r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/block/sr0', 0x282000, 0xa) getsockopt$bt_sco_SCO_CONNINFO(r3, 0x11, 0x2, &(0x7f0000000300)=""/212, &(0x7f0000000400)=0xd4) ioctl$TUNSETOWNER(r3, 0x400454cc, 0xee01) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000480), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000580)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x70, r5, 0x10, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}]}, 0x70}, 0x1, 0x0, 0x0, 0x11}, 0x40000c0) VM DIAGNOSIS: 01:14:41 Registers: info registers vcpu 0 RAX=0000000000000073 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff828e32c5 RDI=ffffffff88724180 RBP=ffffffff88724140 RSP=ffff888009617548 R8 =0000000000000000 R9 =ffffed10014e7046 R10=0000000000000073 R11=0000000000000001 R12=0000000000000073 R13=0000000000000010 R14=ffffffff88724140 R15=ffffffff828e32b0 RIP=ffffffff828e331d RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e55dd000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f82fb49e000 CR3=000000001d756000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=372f6b636f6c622f7665642f7379732f XMM01=00333a372f6b636f6c622f7665642f73 XMM02=00ff0000000000000000000000000000 XMM03=696e656420737365636341002f737973 XMM04=00005615f5c00f3000005615f5c00f10 XMM05=00000000000000000000000000000000 XMM06=00005615f5bec640ffffffff00000009 XMM07=00000000000000000000000000000000 XMM08=610064253a64252f6b636f6c622f7665 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000012bb3 RBX=0000000000000001 RCX=ffffffff81608b3d RDX=0000000000012bc4 RSI=000000000000608b RDI=ffffffff8682a6ec RBP=ffff888017fd7878 RSP=ffff888017fd77b0 R8 =ffffffff8682a686 R9 =0000000000000000 R10=000000000003be53 R11=0000000000012bb3 R12=ffff888017fd7880 R13=ffff888017fd7868 R14=ffff888017fd7861 R15=ffff888017fd7820 RIP=ffffffff81358629 RFL=00000287 [--S--PC] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f85f8b838c0 00000000 00000000 GS =0000 ffff8880e56dd000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005615f5c1e860 CR3=000000000b898000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=000000000000002f002f2e2e2f002e2e XMM01=0000000000000000696c61766e49002f XMM02=ffffffffffffff0f0e0d0c0b0a090807 XMM03=696e656420737365636341002f737973 XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=00005615f5bc333000005615f5c21000 XMM06=00005615f5c1f4800000000000000000 XMM07=00000000000000000000000000000000 XMM08=2f63697361622f6372732f2e2e000d0a XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000