syzkaller login: [ 34.454944] sshd (245) used greatest stack depth: 23904 bytes left Warning: Permanently added '[localhost]:42343' (ECDSA) to the list of known hosts. 2022/09/19 14:54:08 fuzzer started 2022/09/19 14:54:08 dialing manager at localhost:42121 [ 36.657112] cgroup: Unknown subsys name 'net' [ 36.746402] cgroup: Unknown subsys name 'rlimit' 2022/09/19 14:54:22 syscalls: 2215 2022/09/19 14:54:22 code coverage: enabled 2022/09/19 14:54:22 comparison tracing: enabled 2022/09/19 14:54:22 extra coverage: enabled 2022/09/19 14:54:22 setuid sandbox: enabled 2022/09/19 14:54:22 namespace sandbox: enabled 2022/09/19 14:54:22 Android sandbox: enabled 2022/09/19 14:54:22 fault injection: enabled 2022/09/19 14:54:22 leak checking: enabled 2022/09/19 14:54:22 net packet injection: enabled 2022/09/19 14:54:22 net device setup: enabled 2022/09/19 14:54:22 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/09/19 14:54:22 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/09/19 14:54:22 USB emulation: enabled 2022/09/19 14:54:22 hci packet injection: enabled 2022/09/19 14:54:22 wifi device emulation: failed to parse kernel version (6.0.0-rc6-next-20220919) 2022/09/19 14:54:22 802.15.4 emulation: enabled 2022/09/19 14:54:22 fetching corpus: 0, signal 0/2000 (executing program) 2022/09/19 14:54:22 fetching corpus: 50, signal 27158/30689 (executing program) 2022/09/19 14:54:22 fetching corpus: 100, signal 43031/47887 (executing program) 2022/09/19 14:54:22 fetching corpus: 150, signal 49467/55724 (executing program) 2022/09/19 14:54:23 fetching corpus: 200, signal 54697/62275 (executing program) 2022/09/19 14:54:23 fetching corpus: 250, signal 61224/69971 (executing program) 2022/09/19 14:54:23 fetching corpus: 300, signal 69048/78806 (executing program) 2022/09/19 14:54:23 fetching corpus: 350, signal 73599/84459 (executing program) 2022/09/19 14:54:23 fetching corpus: 400, signal 77094/89028 (executing program) 2022/09/19 14:54:23 fetching 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signal 225117/231648 (executing program) 2022/09/19 14:54:37 fetching corpus: 5732, signal 225117/231648 (executing program) 2022/09/19 14:54:39 starting 8 fuzzer processes 14:54:39 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000100)=0xeb, 0x4) sendmmsg(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)=@ieee802154={0x24, @long}, 0x80, &(0x7f0000000140)=[{&(0x7f0000000400)="00000000000000004ea1ba28e9a2543c9e7d4b626f04420b5f6fa07c1241b215e37d5047761b81aa5297d7fa139538428231c8300e90cb081eb58f67193d8215", 0x40}], 0x1}}], 0x1, 0x0) 14:54:39 executing program 1: r0 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$inet6_int(r0, 0x29, 0x1, 0x0, &(0x7f0000000080)) [ 67.135453] audit: type=1400 audit(1663599279.262:6): avc: denied { execmem } for pid=283 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 14:54:39 executing program 2: r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) readv(r0, 0x0, 0x0) 14:54:39 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xfffff02c}, {0x6}]}, 0x10) 14:54:39 executing program 4: syz_io_uring_setup(0x34dc, &(0x7f0000000000), &(0x7f0000ff9000/0x4000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000080), 0x0) syz_io_uring_setup(0x240a, &(0x7f0000000100), &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000180), &(0x7f00000001c0)) 14:54:39 executing program 5: perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000280)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x101}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x303c2, 0x1) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x10, r0, 0x8000000) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) setns(r1, 0x0) perf_event_open(&(0x7f0000000640)={0x4, 0x80, 0x0, 0x7f, 0xc1, 0x8, 0x0, 0x6f, 0x8001, 0x2, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, @perf_bp={&(0x7f0000000600), 0xb}, 0x40, 0x8, 0x1, 0x6, 0xffffffff, 0x40, 0x6, 0x0, 0x7fffffff}, 0xffffffffffffffff, 0x3, r1, 0x0) sendfile(r0, 0xffffffffffffffff, 0x0, 0x10000027f) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) sendmsg$AUDIT_LIST_RULES(r0, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000006c0)={&(0x7f0000000480)={0x10, 0x3f5, 0x100, 0x0, 0x25dfdbfb}, 0x10}, 0x1, 0x0, 0x0, 0x20000}, 0x4000000) setxattr$trusted_overlay_redirect(&(0x7f0000000540)='./file1\x00', &(0x7f0000000580), &(0x7f00000005c0)='./file1\x00', 0x8, 0x1) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000002b80)=0x0) ptrace(0x10, r2) r3 = openat$sr(0xffffffffffffff9c, &(0x7f0000000080), 0x1c3c00, 0x0) ioctl$CDROM_DISC_STATUS(r3, 0x5327) 14:54:39 executing program 6: r0 = socket$inet6_udp(0xa, 0x2, 0x0) sendmmsg$sock(r0, &(0x7f0000001f40)=[{{&(0x7f0000000080)=@in={0x2, 0x4e23, @multicast2}, 0x80, 0x0, 0x0, &(0x7f0000000440)=[@txtime={{0x18}}], 0x18}}], 0x1, 0x0) 14:54:39 executing program 7: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x2, &(0x7f0000000300)=[{&(0x7f0000000080)="a2221503f72541b941ded3c56a109c9f2e0ef17c35fe", 0x16}, {0x0, 0x0, 0xffffffffffff1a96}], 0x0, &(0x7f0000000380)) [ 68.425816] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 68.428510] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 68.430074] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 68.431797] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 68.433331] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.436149] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 68.437442] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.438818] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 68.440490] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.443141] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 68.460529] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 68.461652] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 68.468861] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 68.472604] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 68.474375] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 68.475687] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 68.480472] Bluetooth: hci1: HCI_REQ-0x0c1a [ 68.487726] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 68.494118] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.496145] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 68.497660] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 68.498783] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.500535] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 68.501920] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.503193] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 68.508418] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 68.510984] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 68.511330] Bluetooth: hci3: HCI_REQ-0x0c1a [ 68.525167] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 68.526763] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 68.528200] Bluetooth: hci0: HCI_REQ-0x0c1a [ 68.532115] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 68.533375] Bluetooth: hci2: HCI_REQ-0x0c1a [ 68.533685] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 68.566551] Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 [ 68.568639] Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 [ 68.569758] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 68.569800] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 68.571202] Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 [ 68.574638] Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 [ 68.575783] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 68.576355] Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 [ 68.578475] Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 [ 68.578742] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 68.581750] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 68.582583] Bluetooth: hci6: HCI_REQ-0x0c1a [ 68.588678] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 68.589960] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 68.596676] Bluetooth: hci4: HCI_REQ-0x0c1a [ 68.596987] Bluetooth: hci5: HCI_REQ-0x0c1a [ 68.613340] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 68.619126] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 68.624132] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 68.630323] Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 [ 68.634136] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 68.650949] Bluetooth: hci7: HCI_REQ-0x0c1a [ 70.555662] Bluetooth: hci3: command 0x0409 tx timeout [ 70.555911] Bluetooth: hci0: command 0x0409 tx timeout [ 70.556746] Bluetooth: hci2: command 0x0409 tx timeout [ 70.557307] Bluetooth: hci1: command 0x0409 tx timeout [ 70.619957] Bluetooth: hci5: command 0x0409 tx timeout [ 70.620401] Bluetooth: hci4: command 0x0409 tx timeout [ 70.620804] Bluetooth: hci6: command 0x0409 tx timeout [ 70.682929] Bluetooth: hci7: command 0x0409 tx timeout [ 72.602974] Bluetooth: hci1: command 0x041b tx timeout [ 72.602985] Bluetooth: hci2: command 0x041b tx timeout [ 72.603426] Bluetooth: hci0: command 0x041b tx timeout [ 72.606192] Bluetooth: hci3: command 0x041b tx timeout [ 72.667077] Bluetooth: hci6: command 0x041b tx timeout [ 72.667931] Bluetooth: hci4: command 0x041b tx timeout [ 72.668687] Bluetooth: hci5: command 0x041b tx timeout [ 72.730948] Bluetooth: hci7: command 0x041b tx timeout [ 74.650929] Bluetooth: hci3: command 0x040f tx timeout [ 74.650971] Bluetooth: hci2: command 0x040f tx timeout [ 74.651459] Bluetooth: hci0: command 0x040f tx timeout [ 74.652545] Bluetooth: hci1: command 0x040f tx timeout [ 74.715932] Bluetooth: hci5: command 0x040f tx timeout [ 74.716351] Bluetooth: hci4: command 0x040f tx timeout [ 74.716748] Bluetooth: hci6: command 0x040f tx timeout [ 74.778945] Bluetooth: hci7: command 0x040f tx timeout [ 76.698972] Bluetooth: hci1: command 0x0419 tx timeout [ 76.699942] Bluetooth: hci0: command 0x0419 tx timeout [ 76.700395] Bluetooth: hci2: command 0x0419 tx timeout [ 76.700815] Bluetooth: hci3: command 0x0419 tx timeout [ 76.763061] Bluetooth: hci6: command 0x0419 tx timeout [ 76.763524] Bluetooth: hci4: command 0x0419 tx timeout [ 76.764109] Bluetooth: hci5: command 0x0419 tx timeout [ 76.826955] Bluetooth: hci7: command 0x0419 tx timeout 14:55:36 executing program 6: splice(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x1, 0x14) 14:55:37 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xfffff02c}, {0x6}]}, 0x10) 14:55:37 executing program 6: r0 = io_uring_setup(0x454c, &(0x7f0000000240)) io_uring_register$IORING_REGISTER_FILES_UPDATE(r0, 0x13, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) 14:55:37 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xfffff02c}, {0x6}]}, 0x10) 14:55:37 executing program 6: r0 = perf_event_open(&(0x7f0000000080)={0x3, 0x80, 0xc2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x210c1, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$FAT_IOCTL_GET_VOLUME_ID(0xffffffffffffffff, 0x80047213, &(0x7f00000004c0)) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) ioctl$TIOCSPTLCK(0xffffffffffffffff, 0x40045431, 0x0) openat(0xffffffffffffff9c, 0x0, 0x80000, 0x102) r1 = syz_open_procfs(0x0, &(0x7f0000003380)='clear_refs\x00') write$sndseq(r1, 0x0, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000002a40)='./cgroup.net/syz1\x00', 0x200002, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000002c40)={{0x1, 0x1, 0x18, r0, {0xffffffffffffffff, 0xee01}}, './file0\x00'}) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f00000009c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clone3(&(0x7f0000004c00)={0xc0002100, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) [ 125.125677] audit: type=1400 audit(1663599337.252:7): avc: denied { open } for pid=3791 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 125.137206] audit: type=1400 audit(1663599337.263:8): avc: denied { kernel } for pid=3791 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 [ 125.148023] ------------[ cut here ]------------ [ 125.148041] [ 125.148044] ====================================================== [ 125.148048] WARNING: possible circular locking dependency detected [ 125.148051] 6.0.0-rc6-next-20220919 #1 Not tainted [ 125.148058] ------------------------------------------------------ [ 125.148061] syz-executor.6/3792 is trying to acquire lock: [ 125.148066] ffffffff853fa838 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x70 [ 125.148102] [ 125.148102] but task is already holding lock: [ 125.148104] ffff8880400b3820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 125.148131] [ 125.148131] which lock already depends on the new lock. [ 125.148131] [ 125.148134] [ 125.148134] the existing dependency chain (in reverse order) is: [ 125.148137] [ 125.148137] -> #3 (&ctx->lock){....}-{2:2}: [ 125.148151] _raw_spin_lock+0x2a/0x40 [ 125.148167] __perf_event_task_sched_out+0x53b/0x18d0 [ 125.148179] __schedule+0xedd/0x2470 [ 125.148189] schedule+0xda/0x1b0 [ 125.148199] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.148218] syscall_exit_to_user_mode+0x19/0x40 [ 125.148235] do_syscall_64+0x48/0x90 [ 125.148248] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.148265] [ 125.148265] -> #2 (&rq->__lock){-.-.}-{2:2}: [ 125.148279] _raw_spin_lock_nested+0x30/0x40 [ 125.148293] raw_spin_rq_lock_nested+0x1e/0x30 [ 125.148305] task_fork_fair+0x63/0x4d0 [ 125.148321] sched_cgroup_fork+0x3d0/0x540 [ 125.148334] copy_process+0x4183/0x6e20 [ 125.148344] kernel_clone+0xe7/0x890 [ 125.148354] user_mode_thread+0xad/0xf0 [ 125.148364] rest_init+0x24/0x250 [ 125.148379] arch_call_rest_init+0xf/0x14 [ 125.148391] start_kernel+0x4c1/0x4e6 [ 125.148401] secondary_startup_64_no_verify+0xe0/0xeb [ 125.148414] [ 125.148414] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 125.148427] _raw_spin_lock_irqsave+0x39/0x60 [ 125.148442] try_to_wake_up+0xab/0x1920 [ 125.148455] up+0x75/0xb0 [ 125.148466] __up_console_sem+0x6e/0x80 [ 125.148481] console_unlock+0x46a/0x590 [ 125.148496] vprintk_emit+0x1bd/0x560 [ 125.148511] vprintk+0x84/0xa0 [ 125.148527] _printk+0xba/0xf1 [ 125.148544] kauditd_hold_skb.cold+0x3f/0x4e [ 125.148558] kauditd_send_queue+0x233/0x290 [ 125.148572] kauditd_thread+0x5da/0x9a0 [ 125.148585] kthread+0x2ed/0x3a0 [ 125.148599] ret_from_fork+0x22/0x30 [ 125.148611] [ 125.148611] -> #0 ((console_sem).lock){....}-{2:2}: [ 125.148624] __lock_acquire+0x2a02/0x5e70 [ 125.148640] lock_acquire+0x1a2/0x530 [ 125.148655] _raw_spin_lock_irqsave+0x39/0x60 [ 125.148670] down_trylock+0xe/0x70 [ 125.148682] __down_trylock_console_sem+0x3b/0xd0 [ 125.148697] vprintk_emit+0x16b/0x560 [ 125.148713] vprintk+0x84/0xa0 [ 125.148728] _printk+0xba/0xf1 [ 125.148744] report_bug.cold+0x72/0xab [ 125.148756] handle_bug+0x3c/0x70 [ 125.148769] exc_invalid_op+0x14/0x50 [ 125.148782] asm_exc_invalid_op+0x16/0x20 [ 125.148798] group_sched_out.part.0+0x2c7/0x460 [ 125.148808] ctx_sched_out+0x8f1/0xc10 [ 125.148817] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.148829] __schedule+0xedd/0x2470 [ 125.148839] schedule+0xda/0x1b0 [ 125.148848] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.148867] syscall_exit_to_user_mode+0x19/0x40 [ 125.148883] do_syscall_64+0x48/0x90 [ 125.148896] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.148913] [ 125.148913] other info that might help us debug this: [ 125.148913] [ 125.148915] Chain exists of: [ 125.148915] (console_sem).lock --> &rq->__lock --> &ctx->lock [ 125.148915] [ 125.148930] Possible unsafe locking scenario: [ 125.148930] [ 125.148932] CPU0 CPU1 [ 125.148934] ---- ---- [ 125.148936] lock(&ctx->lock); [ 125.148942] lock(&rq->__lock); [ 125.148948] lock(&ctx->lock); [ 125.148954] lock((console_sem).lock); [ 125.148960] [ 125.148960] *** DEADLOCK *** [ 125.148960] [ 125.148961] 2 locks held by syz-executor.6/3792: [ 125.148968] #0: ffff88806cf37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 [ 125.148994] #1: ffff8880400b3820 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 [ 125.149021] [ 125.149021] stack backtrace: [ 125.149024] CPU: 1 PID: 3792 Comm: syz-executor.6 Not tainted 6.0.0-rc6-next-20220919 #1 [ 125.149036] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 125.149044] Call Trace: [ 125.149047] [ 125.149051] dump_stack_lvl+0x8b/0xb3 [ 125.149074] check_noncircular+0x263/0x2e0 [ 125.149090] ? format_decode+0x26c/0xb50 [ 125.149105] ? print_circular_bug+0x450/0x450 [ 125.149122] ? enable_ptr_key_workfn+0x20/0x20 [ 125.149135] ? __lockdep_reset_lock+0x180/0x180 [ 125.149152] ? format_decode+0x26c/0xb50 [ 125.149168] ? alloc_chain_hlocks+0x1ec/0x5a0 [ 125.149185] __lock_acquire+0x2a02/0x5e70 [ 125.149206] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 125.149228] lock_acquire+0x1a2/0x530 [ 125.149244] ? down_trylock+0xe/0x70 [ 125.149258] ? lock_release+0x750/0x750 [ 125.149276] ? find_held_lock+0x2c/0x110 [ 125.149293] ? vprintk+0x84/0xa0 [ 125.149310] _raw_spin_lock_irqsave+0x39/0x60 [ 125.149325] ? down_trylock+0xe/0x70 [ 125.149339] down_trylock+0xe/0x70 [ 125.149352] ? vprintk+0x84/0xa0 [ 125.149368] __down_trylock_console_sem+0x3b/0xd0 [ 125.149385] vprintk_emit+0x16b/0x560 [ 125.149403] vprintk+0x84/0xa0 [ 125.149420] _printk+0xba/0xf1 [ 125.149438] ? record_print_text.cold+0x16/0x16 [ 125.149457] ? hrtimer_try_to_cancel+0x163/0x2c0 [ 125.149470] ? lock_downgrade+0x6d0/0x6d0 [ 125.149488] ? report_bug.cold+0x66/0xab [ 125.149502] ? group_sched_out.part.0+0x2c7/0x460 [ 125.149513] report_bug.cold+0x72/0xab [ 125.149528] handle_bug+0x3c/0x70 [ 125.149542] exc_invalid_op+0x14/0x50 [ 125.149556] asm_exc_invalid_op+0x16/0x20 [ 125.149573] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 125.149586] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d 5b 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 125.149598] RSP: 0018:ffff88801b907c48 EFLAGS: 00010006 [ 125.149607] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 125.149614] RDX: ffff8880412fb580 RSI: ffffffff81566077 RDI: 0000000000000005 [ 125.149622] RBP: ffff88801b908000 R08: 0000000000000005 R09: 0000000000000001 [ 125.149629] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880400b3800 [ 125.149637] R13: ffff88806cf3d140 R14: ffffffff8547bf80 R15: 0000000000000002 [ 125.149648] ? group_sched_out.part.0+0x2c7/0x460 [ 125.149661] ? group_sched_out.part.0+0x2c7/0x460 [ 125.149673] ctx_sched_out+0x8f1/0xc10 [ 125.149686] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.149701] ? lock_is_held_type+0xd7/0x130 [ 125.149719] ? __perf_cgroup_move+0x160/0x160 [ 125.149730] ? set_next_entity+0x304/0x550 [ 125.149748] ? update_curr+0x267/0x740 [ 125.149766] ? lock_is_held_type+0xd7/0x130 [ 125.149784] __schedule+0xedd/0x2470 [ 125.149797] ? io_schedule_timeout+0x150/0x150 [ 125.149810] ? __x64_sys_futex_time32+0x480/0x480 [ 125.149823] schedule+0xda/0x1b0 [ 125.149834] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.149854] syscall_exit_to_user_mode+0x19/0x40 [ 125.149872] do_syscall_64+0x48/0x90 [ 125.149886] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.149903] RIP: 0033:0x7f6d8f22cb19 [ 125.149912] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 125.149923] RSP: 002b:00007f6d8c7a2218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 125.149934] RAX: 0000000000000001 RBX: 00007f6d8f33ff68 RCX: 00007f6d8f22cb19 [ 125.149941] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f6d8f33ff6c [ 125.149949] RBP: 00007f6d8f33ff60 R08: 000000000000000e R09: 0000000000000000 [ 125.149956] R10: 0000000000000004 R11: 0000000000000246 R12: 00007f6d8f33ff6c [ 125.149964] R13: 00007fff47e1c37f R14: 00007f6d8c7a2300 R15: 0000000000022000 [ 125.149976] [ 125.208878] WARNING: CPU: 1 PID: 3792 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 [ 125.209489] Modules linked in: [ 125.209709] CPU: 1 PID: 3792 Comm: syz-executor.6 Not tainted 6.0.0-rc6-next-20220919 #1 [ 125.210241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 125.210975] RIP: 0010:group_sched_out.part.0+0x2c7/0x460 [ 125.211338] Code: 5e 41 5f e9 3b b7 ef ff e8 36 b7 ef ff 65 8b 1d 5b 15 ac 7e 31 ff 89 de e8 d6 b3 ef ff 85 db 0f 84 8a 00 00 00 e8 19 b7 ef ff <0f> 0b e9 a5 fe ff ff e8 0d b7 ef ff 48 8d 7d 10 48 b8 00 00 00 00 [ 125.212844] RSP: 0018:ffff88801b907c48 EFLAGS: 00010006 [ 125.213378] RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 125.213972] RDX: ffff8880412fb580 RSI: ffffffff81566077 RDI: 0000000000000005 [ 125.214574] RBP: ffff88801b908000 R08: 0000000000000005 R09: 0000000000000001 [ 125.215173] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880400b3800 [ 125.215770] R13: ffff88806cf3d140 R14: ffffffff8547bf80 R15: 0000000000000002 [ 125.216369] FS: 00007f6d8c7a2700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 125.217051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 125.217551] CR2: 00007f39c9b4e710 CR3: 0000000018b22000 CR4: 0000000000350ee0 [ 125.218142] Call Trace: [ 125.218352] [ 125.218549] ctx_sched_out+0x8f1/0xc10 [ 125.218883] __perf_event_task_sched_out+0x6d0/0x18d0 [ 125.219308] ? lock_is_held_type+0xd7/0x130 [ 125.219685] ? __perf_cgroup_move+0x160/0x160 [ 125.220097] ? set_next_entity+0x304/0x550 [ 125.220467] ? update_curr+0x267/0x740 [ 125.220810] ? lock_is_held_type+0xd7/0x130 [ 125.221194] __schedule+0xedd/0x2470 [ 125.221521] ? io_schedule_timeout+0x150/0x150 [ 125.221914] ? __x64_sys_futex_time32+0x480/0x480 [ 125.222325] schedule+0xda/0x1b0 [ 125.222623] exit_to_user_mode_prepare+0x114/0x1a0 [ 125.223056] syscall_exit_to_user_mode+0x19/0x40 [ 125.223469] do_syscall_64+0x48/0x90 [ 125.223800] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.224246] RIP: 0033:0x7f6d8f22cb19 [ 125.224565] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 125.227017] RSP: 002b:00007f6d8c7a2218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 125.228289] RAX: 0000000000000001 RBX: 00007f6d8f33ff68 RCX: 00007f6d8f22cb19 [ 125.229472] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f6d8f33ff6c [ 125.230526] RBP: 00007f6d8f33ff60 R08: 000000000000000e R09: 0000000000000000 [ 125.231646] R10: 0000000000000004 R11: 0000000000000246 R12: 00007f6d8f33ff6c [ 125.232730] R13: 00007fff47e1c37f R14: 00007f6d8c7a2300 R15: 0000000000022000 [ 125.234109] [ 125.234573] irq event stamp: 974 [ 125.235242] hardirqs last enabled at (973): [] exit_to_user_mode_prepare+0x109/0x1a0 [ 125.236943] hardirqs last disabled at (974): [] __schedule+0x1225/0x2470 [ 125.238242] softirqs last enabled at (610): [] __irq_exit_rcu+0x11b/0x180 [ 125.239494] softirqs last disabled at (533): [] __irq_exit_rcu+0x11b/0x180 [ 125.240757] ---[ end trace 0000000000000000 ]--- 14:55:37 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xfffff02c}, {0x6}]}, 0x10) 14:55:37 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) getpriority(0x0, 0x0) 14:55:37 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000680)='personality\x00') preadv(r0, &(0x7f0000002e40)=[{&(0x7f0000000940)=""/133, 0x85}], 0x1, 0x0, 0x0) [ 125.690235] loop7: detected capacity change from 0 to 16154 [ 125.692902] FAT-fs (loop7): bogus logical sector size 27333 [ 125.693353] FAT-fs (loop7): Can't find a valid FAT filesystem [ 125.706192] loop7: detected capacity change from 0 to 16154 [ 125.712095] FAT-fs (loop7): bogus logical sector size 27333 [ 125.712529] FAT-fs (loop7): Can't find a valid FAT filesystem [ 129.576072] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 129.579915] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 129.581655] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 129.584047] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 129.585380] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 129.587408] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 129.590247] Bluetooth: hci2: HCI_REQ-0x0c1a [ 131.546991] Bluetooth: hci1: Opcode 0x c03 failed: -110 [ 131.610983] Bluetooth: hci2: command 0x0409 tx timeout [ 131.674888] Bluetooth: hci5: Opcode 0x c03 failed: -110 [ 133.658893] Bluetooth: hci2: command 0x041b tx timeout [ 133.865254] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 133.867305] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 133.869559] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 133.871946] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 133.874090] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 133.879076] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 133.883540] Bluetooth: hci5: HCI_REQ-0x0c1a VM DIAGNOSIS: 14:55:37 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888007c4f780 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000002000 RDI=ffff888007c4f79c RBP=ffff88801db54800 RSP=ffff888018b176f0 R8 =0000000000000000 R9 =ffffffff85b02e57 R10=0000000000000000 R11=0000000000000001 R12=ffff888007c4f780 R13=ffffffff817bdaed R14=0000000000092cc0 R15=0000000000092cc0 RIP=ffffffff8178a001 RFL=00000217 [----APC] 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 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd44e7fb028 CR3=000000001f6b8000 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 YMM00=0000000000000000 0000000000000000 756e696c2d34365f 3638782f62696c2f YMM01=0000000000000000 0000000000000000 6f732e616d7a6c62 696c2f756e672d78 YMM02=0000000000000000 0000000000000000 00352e6f732e616d 7a6c62696c2f756e YMM03=0000000000000000 0000000000000000 672d78756e696c2d 34365f3638782f62 YMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=0000000000000062 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff822b2e71 RDI=ffffffff87641ba0 RBP=ffffffff87641b60 RSP=ffff88801b907698 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000062 R11=0000000000000001 R12=0000000000000062 R13=ffffffff87641b60 R14=0000000000000010 R15=ffffffff822b2e60 RIP=ffffffff822b2ec9 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 00007f6d8c7a2700 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f39c9b4e710 CR3=0000000018b22000 CR4=00350ee0 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 YMM00=0000000000000000 0000000000000000 0000000000000000 00000000000000ff YMM01=0000000000000000 0000000000000000 2525252525252525 2525252525252525 YMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM04=0000000000000000 0000000000000000 0000000000000000 00000000000000ff YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 000000524f525245 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 00524f5252450040 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000