[ 36.353218][ T26] audit: type=1800 audit(1552309300.589:26): pid=7566 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 36.380833][ T26] audit: type=1800 audit(1552309300.589:27): pid=7566 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 36.402721][ T26] audit: type=1800 audit(1552309300.589:28): pid=7566 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 37.289341][ T26] audit: type=1800 audit(1552309301.549:29): pid=7566 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 45.249694][ T7719] FAULT_INJECTION: forcing a failure. [ 45.249694][ T7719] name failslab, interval 1, probability 0, space 0, times 1 [ 45.262718][ T7719] CPU: 0 PID: 7719 Comm: syz-executor066 Not tainted 5.0.0+ #17 [ 45.270328][ T7719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.280355][ T7719] Call Trace: [ 45.283639][ T7719] dump_stack+0x172/0x1f0 [ 45.287953][ T7719] should_fail.cold+0xa/0x15 [ 45.292532][ T7719] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 45.298342][ T7719] ? ___might_sleep+0x163/0x280 [ 45.303172][ T7719] __should_failslab+0x121/0x190 [ 45.308120][ T7719] should_failslab+0x9/0x14 [ 45.312617][ T7719] kmem_cache_alloc_trace+0x2d1/0x760 [ 45.317967][ T7719] ? rcu_read_lock_sched_held+0x110/0x130 [ 45.323662][ T7719] ? __kmalloc+0x5d5/0x740 [ 45.328074][ T7719] alloc_workqueue_attrs+0x82/0x120 [ 45.333284][ T7719] alloc_workqueue+0x17b/0xf30 [ 45.338028][ T7719] ? workqueue_sysfs_register+0x3f0/0x3f0 [ 45.343720][ T7719] ? scnprintf+0x140/0x140 [ 45.348123][ T7719] hci_register_dev+0x1b8/0x860 [ 45.352967][ T7719] hci_uart_tty_ioctl+0x766/0xb00 [ 45.357983][ T7719] tty_ioctl+0xac9/0x14d0 [ 45.362290][ T7719] ? hci_uart_init_work+0x150/0x150 [ 45.367463][ T7719] ? tty_register_device+0x40/0x40 [ 45.372560][ T7719] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 45.378775][ T7719] ? tomoyo_init_request_info+0x105/0x1d0 [ 45.384468][ T7719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.390683][ T7719] ? tomoyo_path_number_perm+0x263/0x520 [ 45.396293][ T7719] ? find_held_lock+0x35/0x130 [ 45.401040][ T7719] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 45.406824][ T7719] ? vfs_write+0x2f0/0x580 [ 45.411218][ T7719] ? tty_register_device+0x40/0x40 [ 45.416307][ T7719] do_vfs_ioctl+0xd6e/0x1390 [ 45.420913][ T7719] ? ioctl_preallocate+0x210/0x210 [ 45.426001][ T7719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.432225][ T7719] ? __sb_end_write+0xd9/0x110 [ 45.436967][ T7719] ? vfs_write+0x160/0x580 [ 45.441378][ T7719] ? tomoyo_file_ioctl+0x23/0x30 [ 45.446293][ T7719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.452540][ T7719] ? security_file_ioctl+0x93/0xc0 [ 45.457628][ T7719] ksys_ioctl+0xab/0xd0 [ 45.461762][ T7719] __x64_sys_ioctl+0x73/0xb0 [ 45.466340][ T7719] do_syscall_64+0x103/0x610 [ 45.470941][ T7719] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.476812][ T7719] RIP: 0033:0x441019 [ 45.480681][ T7719] Code: e8 0c ad 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.500259][ T7719] RSP: 002b:00007ffee4c7fde8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.508639][ T7719] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441019 [ 45.516583][ T7719] RDX: 0000000000000001 RSI: 00000000400455c8 RDI: 0000000000000003 [ 45.524555][ T7719] RBP: 00007ffee4c7fe00 R08: 0000000000000001 R09: 0000000000000000 [ 45.532501][ T7719] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 45.540451][ T7719] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 45.549046][ T7719] WARNING: CPU: 0 PID: 7719 at kernel/locking/lockdep.c:4925 lockdep_unregister_key+0x1ef/0x4c0 [ 45.559475][ T7719] Kernel panic - not syncing: panic_on_warn set ... [ 45.566526][ T7719] CPU: 0 PID: 7719 Comm: syz-executor066 Not tainted 5.0.0+ #17 [ 45.574132][ T7719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.584219][ T7719] Call Trace: [ 45.587501][ T7719] dump_stack+0x172/0x1f0 [ 45.591861][ T7719] ? lockdep_unregister_key+0x1e0/0x4c0 [ 45.597418][ T7719] panic+0x2cb/0x65c [ 45.601305][ T7719] ? __warn_printk+0xf3/0xf3 [ 45.605886][ T7719] ? lockdep_unregister_key+0x1ef/0x4c0 [ 45.611415][ T7719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.617950][ T7719] ? __warn.cold+0x5/0x45 [ 45.622269][ T7719] ? __warn+0xe8/0x1d0 [ 45.626325][ T7719] ? lockdep_unregister_key+0x1ef/0x4c0 [ 45.631855][ T7719] __warn.cold+0x20/0x45 [ 45.636089][ T7719] ? lockdep_unregister_key+0x1ef/0x4c0 [ 45.641627][ T7719] report_bug+0x263/0x2b0 [ 45.645949][ T7719] do_error_trap+0x11b/0x200 [ 45.650527][ T7719] do_invalid_op+0x37/0x50 [ 45.654931][ T7719] ? lockdep_unregister_key+0x1ef/0x4c0 [ 45.660460][ T7719] invalid_op+0x14/0x20 [ 45.664601][ T7719] RIP: 0010:lockdep_unregister_key+0x1ef/0x4c0 [ 45.670740][ T7719] Code: 00 00 00 00 00 fc ff df 4c 89 c2 48 c1 ea 03 80 3c 02 00 0f 85 c9 02 00 00 48 b8 00 02 00 00 00 00 ad de 49 89 44 24 08 eb 02 <0f> 0b ba 01 00 00 00 4c 89 e6 4c 89 ff e8 8f de ff ff 4c 89 ff e8 [ 45.690343][ T7719] RSP: 0018:ffff88808cd37950 EFLAGS: 00010046 [ 45.696402][ T7719] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff12bad2b [ 45.704387][ T7719] RDX: 1ffffffff1465a7c RSI: 0000000000000000 RDI: ffffffff8a32d3e0 [ 45.712341][ T7719] RBP: ffff88808cd37980 R08: 1ffff110119a6f1e R09: ffffed10119a6f1f [ 45.720295][ T7719] R10: ffffed10119a6f1e R11: 0000000000000003 R12: ffff888095231398 [ 45.728252][ T7719] R13: dffffc0000000000 R14: 0000000000000282 R15: ffffffff8a0a6748 [ 45.736225][ T7719] alloc_workqueue+0xc52/0xf30 [ 45.740987][ T7719] ? workqueue_sysfs_register+0x3f0/0x3f0 [ 45.746695][ T7719] ? scnprintf+0x140/0x140 [ 45.751139][ T7719] hci_register_dev+0x1b8/0x860 [ 45.756009][ T7719] hci_uart_tty_ioctl+0x766/0xb00 [ 45.761029][ T7719] tty_ioctl+0xac9/0x14d0 [ 45.765344][ T7719] ? hci_uart_init_work+0x150/0x150 [ 45.770530][ T7719] ? tty_register_device+0x40/0x40 [ 45.775623][ T7719] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 45.781846][ T7719] ? tomoyo_init_request_info+0x105/0x1d0 [ 45.787548][ T7719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.793787][ T7719] ? tomoyo_path_number_perm+0x263/0x520 [ 45.799399][ T7719] ? find_held_lock+0x35/0x130 [ 45.804147][ T7719] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 45.809955][ T7719] ? vfs_write+0x2f0/0x580 [ 45.814363][ T7719] ? tty_register_device+0x40/0x40 [ 45.819470][ T7719] do_vfs_ioctl+0xd6e/0x1390 [ 45.824051][ T7719] ? ioctl_preallocate+0x210/0x210 [ 45.829158][ T7719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.835380][ T7719] ? __sb_end_write+0xd9/0x110 [ 45.840125][ T7719] ? vfs_write+0x160/0x580 [ 45.844528][ T7719] ? tomoyo_file_ioctl+0x23/0x30 [ 45.849463][ T7719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.855688][ T7719] ? security_file_ioctl+0x93/0xc0 [ 45.860782][ T7719] ksys_ioctl+0xab/0xd0 [ 45.864921][ T7719] __x64_sys_ioctl+0x73/0xb0 [ 45.869498][ T7719] do_syscall_64+0x103/0x610 [ 45.874075][ T7719] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.879961][ T7719] RIP: 0033:0x441019 [ 45.883840][ T7719] Code: e8 0c ad 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.903429][ T7719] RSP: 002b:00007ffee4c7fde8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.911823][ T7719] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441019 [ 45.919781][ T7719] RDX: 0000000000000001 RSI: 00000000400455c8 RDI: 0000000000000003 [ 45.927735][ T7719] RBP: 00007ffee4c7fe00 R08: 0000000000000001 R09: 0000000000000000 [ 45.935687][ T7719] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 45.943637][ T7719] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 47.095156][ T7719] Shutting down cpus with NMI [ 47.100675][ T7719] Kernel Offset: disabled [ 47.104992][ T7719] Rebooting in 86400 seconds..