[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 39.803555] audit: type=1800 audit(1547359163.410:25): pid=7855 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 39.832231] audit: type=1800 audit(1547359163.410:26): pid=7855 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 39.862702] audit: type=1800 audit(1547359163.410:27): pid=7855 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 52.539218] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 52.555676] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 52.961446] kobject_add_internal failed for hci4 (error: -2 parent: bluetooth) [ 52.989664] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program executing program [ 53.010625] Bluetooth: Can't register HCI device [ 53.031639] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 54.054405] kobject_add_internal failed for hci5 (error: -2 parent: bluetooth) [ 54.068272] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 54.143796] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 54.158061] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.059142] kobject_add_internal failed for hci0 (error: -2 parent: bluetooth) [ 55.091373] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.771988] kasan: CONFIG_KASAN_INLINE enabled [ 55.790723] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 55.801800] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 55.808106] CPU: 0 PID: 8635 Comm: syz-executor005 Not tainted 5.0.0-rc1+ #22 [ 55.815375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.822594] kobject: 'rfkill614' (00000000df495bf4): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill614' [ 55.824738] RIP: 0010:kernfs_add_one+0x343/0x4d0 [ 55.824752] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 52 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 70 48 8d 7b 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 1f 01 00 00 8b 5b 08 31 ff 83 [ 55.824763] RSP: 0018:ffff8880a5dcf670 EFLAGS: 00010202 [ 55.864864] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87f31065 executing program [ 55.872153] RDX: 0000000000000001 RSI: ffffffff81fba28b RDI: 0000000000000008 [ 55.879428] RBP: ffff8880a5dcf6b0 R08: 1ffffffff135106c R09: fffffbfff135106d [ 55.879448] kobject: 'rfkill614' (00000000df495bf4): kobject_uevent_env [ 55.886690] R10: fffffbfff135106c R11: ffffffff89a88367 R12: ffff888092413540 [ 55.886697] R13: ffff888092413540 R14: 0000000000000000 R15: 0000000000000000 [ 55.886709] FS: 0000000001b26880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 55.886717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.886725] CR2: 00000000006cb090 CR3: 0000000098f96000 CR4: 00000000001406f0 [ 55.886736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.886747] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.908421] kobject: 'hci1' (000000006bce8501): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 55.916232] Call Trace: [ 55.916255] kernfs_create_dir_ns+0xff/0x160 [ 55.916272] sysfs_create_dir_ns+0x192/0x330 [ 55.916287] ? sysfs_create_mount_point+0xa0/0xa0 [ 55.916303] ? do_raw_spin_trylock+0x270/0x270 [ 55.916319] ? class_dir_child_ns_type+0xd/0x60 [ 55.958247] kobject: 'rfkill614' (00000000df495bf4): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill614' [ 55.960660] kobject_add_internal.cold+0x129/0x6d8 [ 55.960678] ? kobj_ns_type_registered+0x60/0x60 [ 55.960695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.974263] kobject: 'hci1' (000000006bce8501): kobject_uevent_env [ 55.974513] ? wait_for_completion+0x810/0x810 [ 55.995099] kobject: 'rfkill614' (00000000df495bf4): kobject_cleanup, parent (null) [ 55.999727] kobject_add+0x150/0x1c0 [ 55.999742] ? kset_create_and_add+0x1a0/0x1a0 [ 55.999759] ? mutex_unlock+0xd/0x10 [ 56.008775] kobject: 'hci1' (000000006bce8501): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 56.011601] ? device_add+0x313/0x1800 [ 56.011631] device_add+0x3d9/0x1800 [ 56.011647] ? get_device_parent.isra.0+0x570/0x570 [ 56.041050] kobject: 'rfkill615' (0000000003b3d900): kobject_add_internal: parent: 'hci1', set: 'devices' [ 56.046431] ? simple_release_fs+0xa1/0xd0 [ 56.046450] ? start_creating+0x163/0x1e0 [ 56.046464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 56.046484] hci_register_dev+0x3b9/0x9d0 [ 56.058788] kobject: 'rfkill614' (00000000df495bf4): calling ktype release [ 56.059177] ? kfree_skb+0x1a6/0x580 [ 56.083396] kobject: 'rfkill615' (0000000003b3d900): kobject_uevent_env [ 56.086860] ? hci_conn_params_free+0x840/0x840 [ 56.086877] ? __handle_mm_fault+0x955/0x55a0 [ 56.086895] __vhci_create_device+0x2d0/0x5a0 [ 56.115354] kobject: 'rfkill614': free name [ 56.117967] vhci_write+0x2d0/0x470 [ 56.117985] __vfs_write+0x764/0xb40 [ 56.118001] ? kernel_read+0x120/0x120 [ 56.118022] ? apparmor_file_permission+0x25/0x30 [ 56.137898] kobject: 'rfkill615' (0000000003b3d900): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill615' [ 56.138395] ? rw_verify_area+0x118/0x360 [ 56.149463] kobject: 'hci3' (000000002073de9e): kobject_uevent_env [ 56.153424] vfs_write+0x20c/0x580 [ 56.153441] ksys_write+0x105/0x260 [ 56.153456] ? __ia32_sys_read+0xb0/0xb0 [ 56.153471] ? trace_hardirqs_off_caller+0x300/0x300 [ 56.153495] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.160089] kobject: 'hci3' (000000002073de9e): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 56.163553] __x64_sys_write+0x73/0xb0 [ 56.163580] do_syscall_64+0x1a3/0x800 [ 56.163596] ? syscall_return_slowpath+0x5f0/0x5f0 [ 56.167918] kobject: 'hci3' (000000002073de9e): kobject_cleanup, parent (null) [ 56.171286] ? prepare_exit_to_usermode+0x232/0x3b0 [ 56.171311] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.171330] entry_SYSCALL_64_after_hwframe+0x49/0xbe executing program [ 56.179311] kobject: 'rfkill615' (0000000003b3d900): kobject_uevent_env [ 56.181151] RIP: 0033:0x440e49 [ 56.181165] Code: e8 ac e8 ff ff 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 0b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.181187] RSP: 002b:00007ffc16f75908 EFLAGS: 00000213 ORIG_RAX: 0000000000000001 [ 56.191321] kobject: 'hci3' (000000002073de9e): calling ktype release [ 56.194755] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440e49 [ 56.194763] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 [ 56.194771] RBP: 0000000000000000 R08: 00000000004002c8 R09: 00000000004002c8 [ 56.194780] R10: 0000000001b26880 R11: 0000000000000213 R12: 000000000000d99e [ 56.194788] R13: 0000000000401d70 R14: 0000000000000000 R15: 0000000000000000 [ 56.194801] Modules linked in: [ 56.196167] kobject: 'rfkill616' (000000007a8926dc): kobject_add_internal: parent: 'hci5', set: 'devices' [ 56.198931] kobject: 'hci3': free name [ 56.206467] kobject: 'rfkill616' (000000007a8926dc): kobject_uevent_env [ 56.212393] kobject: 'rfkill615' (0000000003b3d900): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill615' [ 56.217770] kobject: 'rfkill616' (000000007a8926dc): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5/rfkill616' [ 56.235067] kobject: 'hci3' (000000000c6bcb1f): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 56.238013] kobject: 'rfkill613' (00000000bbeb59a0): kobject_cleanup, parent (null) [ 56.259493] kobject: 'hci3' (000000000c6bcb1f): kobject_uevent_env [ 56.263887] kobject: 'rfkill617' (00000000c232b19e): kobject_add_internal: parent: 'hci4', set: 'devices' [ 56.270559] kobject: 'hci3' (000000000c6bcb1f): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 56.278655] kobject: 'rfkill616' (000000007a8926dc): kobject_uevent_env [ 56.298674] ---[ end trace 382fe2f41f5389db ]--- [ 56.300216] kobject: 'rfkill617' (00000000c232b19e): kobject_uevent_env [ 56.307501] RIP: 0010:kernfs_add_one+0x343/0x4d0 [ 56.311017] kobject: 'rfkill616' (000000007a8926dc): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5/rfkill616' [ 56.320671] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 52 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 70 48 8d 7b 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 1f 01 00 00 8b 5b 08 31 ff 83 [ 56.324700] kobject: 'rfkill617' (00000000c232b19e): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill617' [ 56.330976] RSP: 0018:ffff8880a5dcf670 EFLAGS: 00010202 [ 56.342285] kobject: 'rfkill613' (00000000bbeb59a0): calling ktype release [ 56.353070] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87f31065 [ 56.363332] kobject: 'rfkill615' (0000000003b3d900): kobject_cleanup, parent (null) [ 56.374248] RDX: 0000000000000001 RSI: ffffffff81fba28b RDI: 0000000000000008 [ 56.378630] kobject: 'rfkill617' (00000000c232b19e): kobject_uevent_env [ 56.387497] kobject: 'rfkill618' (00000000ecea83cc): kobject_add_internal: parent: 'hci3', set: 'devices' [ 56.397267] kobject: 'rfkill613': free name [ 56.404420] kobject: 'rfkill618' (00000000ecea83cc): kobject_uevent_env [ 56.409160] kobject: 'rfkill615' (0000000003b3d900): calling ktype release [ 56.415657] RBP: ffff8880a5dcf6b0 R08: 1ffffffff135106c R09: fffffbfff135106d [ 56.420792] kobject: 'hci2' (00000000431aaef8): kobject_uevent_env [ 56.431642] kobject: 'rfkill618' (00000000ecea83cc): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill618' [ 56.451077] kobject: 'rfkill615': free name [ 56.462890] kobject: 'rfkill617' (00000000c232b19e): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill617' [ 56.468351] R10: fffffbfff135106c R11: ffffffff89a88367 R12: ffff888092413540 [ 56.478356] kobject: 'rfkill618' (00000000ecea83cc): kobject_uevent_env [ 56.483812] kobject: 'rfkill616' (000000007a8926dc): kobject_cleanup, parent (null) [ 56.490846] kobject: 'rfkill617' (00000000c232b19e): kobject_cleanup, parent (null) [ 56.498930] kobject: 'hci1' (000000006bce8501): kobject_uevent_env [ 56.504919] kobject: 'rfkill617' (00000000c232b19e): calling ktype release [ 56.515004] kobject: 'rfkill616' (000000007a8926dc): calling ktype release [ 56.519156] kobject: 'rfkill618' (00000000ecea83cc): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill618' [ 56.526415] R13: ffff888092413540 R14: 0000000000000000 R15: 0000000000000000 [ 56.533218] kobject: 'hci2' (00000000431aaef8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 56.540773] kobject: 'hci1' (000000006bce8501): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 56.547630] kobject: 'rfkill618' (00000000ecea83cc): kobject_cleanup, parent (null) executing program [ 56.558191] FS: 0000000001b26880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 56.563241] kobject: 'hci2' (00000000431aaef8): kobject_cleanup, parent (null) [ 56.574004] kobject: 'rfkill617': free name [ 56.581445] kobject: 'rfkill618' (00000000ecea83cc): calling ktype release [ 56.588721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.597460] kobject: 'rfkill616': free name [ 56.606156] kobject: 'hci4' (000000000339b2a5): kobject_uevent_env [ 56.612096] kobject: 'hci2' (00000000431aaef8): calling ktype release [ 56.619436] kobject: 'rfkill618': free name [ 56.626213] kobject: 'hci5' (00000000ad6913a6): kobject_uevent_env [ 56.637454] kobject: 'hci4' (000000000339b2a5): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' [ 56.645187] kobject: 'hci1' (000000006bce8501): kobject_cleanup, parent (null) [ 56.654610] kobject: 'hci3' (000000000c6bcb1f): kobject_uevent_env [ 56.664493] CR2: 00000000006cb090 CR3: 0000000098f96000 CR4: 00000000001406f0 [ 56.673645] kobject: 'hci4' (000000000339b2a5): kobject_cleanup, parent (null) [ 56.681665] kobject: 'hci2': free name [ 56.689990] kobject: 'hci5' (00000000ad6913a6): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' [ 56.694061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.701419] kobject: 'hci3' (000000000c6bcb1f): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 56.708238] kobject: 'hci1' (000000006bce8501): calling ktype release [ 56.711967] kobject: 'hci5' (00000000ad6913a6): kobject_cleanup, parent (null) [ 56.718753] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.724772] kobject: 'hci4' (000000000339b2a5): calling ktype release [ 56.731106] kobject: 'hci1' (00000000b822c927): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 56.735785] kobject: 'hci3' (000000000c6bcb1f): kobject_cleanup, parent (null) [ 56.745244] kobject: 'hci1': free name [ 56.753858] kobject: 'hci4': free name [ 56.759973] Kernel panic - not syncing: Fatal exception [ 56.768941] kobject: 'hci5' (00000000ad6913a6): calling ktype release [ 56.776133] Kernel Offset: disabled [ 56.876028] Rebooting in 86400 seconds..