Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:42305' (ECDSA) to the list of known hosts. 2023/05/16 12:28:37 fuzzer started 2023/05/16 12:28:37 dialing manager at localhost:35573 2023/05/16 12:28:38 checking machine... 2023/05/16 12:28:38 checking revisions... syzkaller login: [ 30.770673] kmemleak: Automatic memory scanning thread ended 2023/05/16 12:28:38 testing simple program... [ 30.845802] cgroup: Unknown subsys name 'net' [ 30.907470] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 42.583703] audit: type=1400 audit(1684240129.967:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 43.661255] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.663961] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.666030] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.669189] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.670444] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.671420] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.885049] ------------[ cut here ]------------ [ 43.885456] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 43.886911] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.887515] Modules linked in: [ 43.887808] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 43.888437] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.893057] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.893442] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 43.894781] RSP: 0018:ffff888018247c00 EFLAGS: 00010282 [ 43.895174] RAX: 0000000000000000 RBX: ffff88800c490840 RCX: 0000000000000000 [ 43.895743] RDX: ffff888015fe1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 43.896256] RBP: ffff88800c490854 R08: 0000000000000001 R09: 0000000000000000 [ 43.896844] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 43.897346] R13: ffffffff84e223a0 R14: ffff88800c490848 R15: ffffffff84d73340 [ 43.897915] FS: 0000555555974400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.898479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.898951] CR2: 00007efcc0df06f4 CR3: 000000001834e000 CR4: 0000000000350ef0 [ 43.899463] Call Trace: [ 43.899721] [ 43.899891] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 43.900266] ipv4_frags_init_net+0x269/0x440 [ 43.900775] ops_init+0xbb/0x6b0 [ 43.901120] setup_net+0x3d9/0x990 [ 43.901468] ? down_read_killable+0x1d7/0x4e0 [ 43.901993] ? __pfx_setup_net+0x10/0x10 [ 43.902384] ? copy_net_ns+0x17c/0x770 [ 43.902861] copy_net_ns+0x321/0x770 [ 43.903235] create_new_namespaces+0x3f6/0xb30 [ 43.903800] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.904285] ksys_unshare+0x44d/0x8e0 [ 43.904792] ? __pfx_ksys_unshare+0x10/0x10 [ 43.905215] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.905900] __x64_sys_unshare+0x31/0x40 [ 43.906302] do_syscall_64+0x3f/0x90 [ 43.906763] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.907257] RIP: 0033:0x7f891aaf70d7 [ 43.907758] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 43.909251] RSP: 002b:00007ffcd8bcdaa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 43.909815] RAX: ffffffffffffffda RBX: 00007ffcd8bce0e8 RCX: 00007f891aaf70d7 [ 43.910335] RDX: 00007f891ab6141f RSI: 00007ffcd8bcda40 RDI: 0000000040000000 [ 43.910864] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd8bcd850 [ 43.911381] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f891ac09bf0 [ 43.911907] R13: 00007ffcd8bcdb80 R14: 0000000000000000 R15: 00000000000000f8 [ 43.912435] [ 43.912626] irq event stamp: 10187 [ 43.912875] hardirqs last enabled at (10197): [] __up_console_sem+0x78/0x80 [ 43.913499] hardirqs last disabled at (10206): [] __up_console_sem+0x5d/0x80 [ 43.914123] softirqs last enabled at (10098): [] irq_exit_rcu+0x93/0xc0 [ 43.914742] softirqs last disabled at (10049): [] irq_exit_rcu+0x93/0xc0 [ 43.915344] ---[ end trace 0000000000000000 ]--- [ 43.918324] ------------[ cut here ]------------ [ 43.918685] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 43.919663] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.920286] Modules linked in: [ 43.920518] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 43.921194] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.921789] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.922163] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 43.923457] RSP: 0018:ffff888018247c00 EFLAGS: 00010282 [ 43.923865] RAX: 0000000000000000 RBX: ffff888013ea9a40 RCX: 0000000000000000 [ 43.924377] RDX: ffff888015fe1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 43.924895] RBP: ffff888013ea9a54 R08: 0000000000000001 R09: 0000000000000000 [ 43.925403] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 43.925933] R13: ffffffff84e223a0 R14: ffff888013ea9a48 R15: ffffffff84da62e0 [ 43.926444] FS: 0000555555974400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.927021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.927441] CR2: 00007efcc0df06f4 CR3: 000000001834e000 CR4: 0000000000350ef0 [ 43.927952] Call Trace: [ 43.928147] [ 43.928321] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 43.928695] ipv6_frags_init_net+0x206/0x3c0 [ 43.929008] ops_init+0xbb/0x6b0 [ 43.929268] setup_net+0x3d9/0x990 [ 43.929530] ? down_read_killable+0x1d7/0x4e0 [ 43.929873] ? __pfx_setup_net+0x10/0x10 [ 43.930175] ? copy_net_ns+0x17c/0x770 [ 43.930473] copy_net_ns+0x321/0x770 [ 43.930773] create_new_namespaces+0x3f6/0xb30 [ 43.931109] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.931471] ksys_unshare+0x44d/0x8e0 [ 43.931778] ? __pfx_ksys_unshare+0x10/0x10 [ 43.932090] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.932479] __x64_sys_unshare+0x31/0x40 [ 43.932787] do_syscall_64+0x3f/0x90 [ 43.933047] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.933393] RIP: 0033:0x7f891aaf70d7 [ 43.933668] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 43.934868] RSP: 002b:00007ffcd8bcdaa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 43.935369] RAX: ffffffffffffffda RBX: 00007ffcd8bce0e8 RCX: 00007f891aaf70d7 [ 43.935850] RDX: 00007f891ab6141f RSI: 00007ffcd8bcda40 RDI: 0000000040000000 [ 43.936321] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd8bcd850 [ 43.936813] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f891ac09bf0 [ 43.937279] R13: 00007ffcd8bcdb80 R14: 0000000000000000 R15: 00000000000000f8 [ 43.937778] [ 43.937945] irq event stamp: 11951 [ 43.938179] hardirqs last enabled at (11961): [] __up_console_sem+0x78/0x80 [ 43.938763] hardirqs last disabled at (11972): [] __up_console_sem+0x5d/0x80 [ 43.939369] softirqs last enabled at (11606): [] irq_exit_rcu+0x93/0xc0 [ 43.939972] softirqs last disabled at (11599): [] irq_exit_rcu+0x93/0xc0 [ 43.940563] ---[ end trace 0000000000000000 ]--- [ 43.941349] ------------[ cut here ]------------ [ 43.941711] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 43.942815] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.943426] Modules linked in: [ 43.943683] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 43.944349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.944952] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.945335] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 43.946620] RSP: 0018:ffff888018247bf0 EFLAGS: 00010286 [ 43.946997] RAX: 0000000000000000 RBX: ffff888013eabe40 RCX: 0000000000000000 [ 43.947508] RDX: ffff888015fe1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 43.948032] RBP: ffff888013eabe54 R08: 0000000000000001 R09: 0000000000000000 [ 43.948550] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 43.949070] R13: ffffffff84e223a0 R14: ffff888013eabe48 R15: ffffffff84daf020 [ 43.949582] FS: 0000555555974400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.950178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.950595] CR2: 00007efcc0df06f4 CR3: 000000001834e000 CR4: 0000000000350ef0 [ 43.951125] Call Trace: [ 43.951317] [ 43.951493] nf_ct_net_init+0x224/0x3d0 [ 43.951821] ? __pfx_nf_ct_net_init+0x10/0x10 [ 43.952157] ops_init+0xbb/0x6b0 [ 43.952412] setup_net+0x3d9/0x990 [ 43.952698] ? down_read_killable+0x1d7/0x4e0 [ 43.953029] ? __pfx_setup_net+0x10/0x10 [ 43.953330] ? copy_net_ns+0x17c/0x770 [ 43.953648] copy_net_ns+0x321/0x770 [ 43.953922] create_new_namespaces+0x3f6/0xb30 [ 43.954263] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.954642] ksys_unshare+0x44d/0x8e0 [ 43.954923] ? __pfx_ksys_unshare+0x10/0x10 [ 43.955237] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.955672] __x64_sys_unshare+0x31/0x40 [ 43.955968] do_syscall_64+0x3f/0x90 [ 43.956253] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.956660] RIP: 0033:0x7f891aaf70d7 [ 43.956927] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 43.958206] RSP: 002b:00007ffcd8bcdaa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 43.958764] RAX: ffffffffffffffda RBX: 00007ffcd8bce0e8 RCX: 00007f891aaf70d7 [ 43.959259] RDX: 00007f891ab6141f RSI: 00007ffcd8bcda40 RDI: 0000000040000000 [ 43.959788] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd8bcd850 [ 43.960298] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f891ac09bf0 [ 43.960827] R13: 00007ffcd8bcdb80 R14: 0000000000000000 R15: 00000000000000f8 [ 43.961341] [ 43.961508] irq event stamp: 12745 [ 43.961777] hardirqs last enabled at (12757): [] __up_console_sem+0x78/0x80 [ 43.962390] hardirqs last disabled at (12766): [] __up_console_sem+0x5d/0x80 [ 43.963025] softirqs last enabled at (12636): [] irq_exit_rcu+0x93/0xc0 [ 43.963642] softirqs last disabled at (12629): [] irq_exit_rcu+0x93/0xc0 [ 43.964233] ---[ end trace 0000000000000000 ]--- executing program [ 45.745197] Bluetooth: hci0: command 0x0409 tx timeout [ 47.792680] Bluetooth: hci0: command 0x041b tx timeout executing program [ 49.840780] Bluetooth: hci0: command 0x040f tx timeout executing program [ 51.888707] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 12:28:50 Registers: info registers vcpu 0 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888018247618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 0000555555974400 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=00007efcc0df06f4 CR3=000000001834e000 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=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000003 RCX=ffffffff8113c249 RDX=ffff888018ef8000 RSI=0000000000000000 RDI=0000000000000007 RBP=ffff888016507f58 RSP=ffff888016507ed0 R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000003 R11=0000000000000000 R12=0000000000000006 R13=00007fa8d0bfa000 R14=00007fa8d0bfa000 R15=ffff888015e8e040 RIP=ffffffff814bf28c RFL=00000046 [---Z-P-] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fa8d0857900 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=00007fa8d0bfa000 CR3=000000000e250000 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 XMM00=00000000000000000000000000000000 XMM01=ffffff0000ff00ffffffffffffffff00 XMM02=494c4700362e322e325f4342494c4700 XMM03=00000000000000000000000000004700 XMM04=4342494c4700362e322e325f4342494c XMM05=00007fa8d0c6b00000007fa8d0c6c8c0 XMM06=00007fa8d0c6c2f000007fa8d0dd1950 XMM07=00007fa8d0c6bcf000007fa8d0c6b760 XMM08=00007fa8d0c6b00000007fa8d0dd1950 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000