[ 33.739266] audit: type=1800 audit(1551894127.223:27): pid=7338 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 33.761743] audit: type=1800 audit(1551894127.223:28): pid=7338 uid=0 auid=4294967295 ses=4294967295 subj=_ 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. [ 34.508179] audit: type=1800 audit(1551894128.033:29): pid=7338 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 34.527345] audit: type=1800 audit(1551894128.033:30): pid=7338 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.77' (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 syzkaller login: [ 43.971082] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) executing program executing program executing program executing program [ 44.020003] 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 [ 44.085985] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 44.094558] kobject_add_internal failed for hci0 (error: -2 parent: bluetooth) [ 44.096786] Bluetooth: Can't register HCI device [ 44.119333] 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 [ 44.376495] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 44.384189] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program [ 44.425739] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program executing program executing program [ 44.469082] Bluetooth: Can't register HCI device executing program executing program executing program [ 44.519416] WARNING: CPU: 0 PID: 7631 at fs/kernfs/dir.c:494 kernfs_get.part.0+0x73/0x90 [ 44.527779] Kernel panic - not syncing: panic_on_warn set ... [ 44.527797] kobject: 'hci1' (000000005bfcc037): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 44.533655] CPU: 0 PID: 7631 Comm: syz-executor605 Not tainted 5.0.0+ #8 [ 44.533663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.533668] Call Trace: [ 44.533688] dump_stack+0x172/0x1f0 [ 44.547201] kobject: 'hci2' (00000000359503f4): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 44.550190] ? kernfs_unlink_sibling+0x150/0x170 [ 44.579307] kobject: 'hci2' (00000000359503f4): kobject_uevent_env [ 44.580145] panic+0x2cb/0x65c [ 44.589617] ? __warn_printk+0xf3/0xf3 [ 44.593513] ? kernfs_get.part.0+0x73/0x90 [ 44.595619] kobject: 'hci1' (000000005bfcc037): kobject_uevent_env [ 44.597752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.606372] kobject: 'hci2' (00000000359503f4): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 44.609572] ? __warn.cold+0x5/0x45 [ 44.622777] ? __warn+0xe8/0x1d0 [ 44.626151] ? kernfs_get.part.0+0x73/0x90 [ 44.629617] kobject: 'hci1' (000000005bfcc037): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 44.630385] __warn.cold+0x20/0x45 [ 44.643508] ? kernfs_get.part.0+0x73/0x90 [ 44.647749] report_bug+0x263/0x2b0 [ 44.651386] do_error_trap+0x11b/0x200 [ 44.651416] kobject: 'rfkill125' (000000002dcf9897): kobject_add_internal: parent: 'hci2', set: 'devices' [ 44.655786] do_invalid_op+0x37/0x50 [ 44.655797] ? kernfs_get.part.0+0x73/0x90 [ 44.655811] invalid_op+0x14/0x20 [ 44.655823] RIP: 0010:kernfs_get.part.0+0x73/0x90 [ 44.655835] Code: e6 e8 71 30 9d ff 45 85 e4 74 1a e8 e7 2e 9d ff be 04 00 00 00 48 89 df e8 6a a3 d4 ff f0 ff 03 5b 41 5c 5d c3 e8 cd 2e 9d ff <0f> 0b eb dd 48 89 df e8 91 c9 d4 ff eb c1 0f 1f 44 00 00 66 2e 0f [ 44.688828] kobject: 'rfkill125' (000000002dcf9897): kobject_uevent_env [ 44.700780] RSP: 0018:ffff88809090f840 EFLAGS: 00010293 [ 44.700793] RAX: ffff888086760100 RBX: ffff888092b209a0 RCX: ffffffff81d2bd6f [ 44.700800] RDX: 0000000000000000 RSI: ffffffff81d2bd93 RDI: 0000000000000005 [ 44.700808] RBP: ffff88809090f850 R08: ffff888086760100 R09: ffffed1012564135 [ 44.700819] R10: ffffed1012564134 R11: ffff888092b209a3 R12: 0000000000000000 [ 44.737759] kobject: 'rfkill125' (000000002dcf9897): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill125' [ 44.742046] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 [ 44.742069] ? kernfs_get.part.0+0x4f/0x90 [ 44.764435] ? kernfs_get.part.0+0x73/0x90 [ 44.768678] kernfs_new_node+0xb8/0x130 [ 44.772660] kernfs_create_dir_ns+0x52/0x160 [ 44.776731] kobject: 'rfkill126' (00000000980b4ebc): kobject_add_internal: parent: 'hci1', set: 'devices' [ 44.777076] sysfs_create_dir_ns+0x131/0x2a0 [ 44.787082] kobject: 'rfkill125' (000000002dcf9897): kobject_uevent_env [ 44.787101] kobject: 'rfkill125' (000000002dcf9897): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill125' [ 44.793142] kobject: 'rfkill126' (00000000980b4ebc): kobject_uevent_env [ 44.798410] ? sysfs_create_mount_point+0xa0/0xa0 [ 44.798445] ? class_dir_child_ns_type+0xd/0x60 [ 44.798482] kobject_add_internal.cold+0xe5/0x5d4 [ 44.830456] kobject_add+0x150/0x1c0 [ 44.834173] ? kset_create_and_add+0x1a0/0x1a0 [ 44.834252] kobject: 'rfkill126' (00000000980b4ebc): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill126' [ 44.838763] ? kasan_check_read+0x11/0x20 [ 44.853878] ? mutex_unlock+0xd/0x10 [ 44.857597] ? device_add+0x30f/0x1870 [ 44.858511] kobject: 'rfkill125' (000000002dcf9897): kobject_cleanup, parent (null) [ 44.861484] device_add+0x3d5/0x1870 [ 44.870575] kobject: 'rfkill126' (00000000980b4ebc): kobject_uevent_env [ 44.873824] ? device_initialize+0x440/0x440 [ 44.873841] ? get_device_parent.isra.0+0x570/0x570 [ 44.880613] kobject: 'rfkill126' (00000000980b4ebc): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill126' [ 44.884984] ? start_creating+0x163/0x1e0 [ 44.884998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.885017] hci_register_dev+0x304/0x880 [ 44.890006] kobject: 'rfkill125' (000000002dcf9897): calling ktype release [ 44.900918] __vhci_create_device+0x2d0/0x5a0 [ 44.900934] vhci_write+0x2d0/0x470 [ 44.906641] kobject: 'rfkill126' (00000000980b4ebc): kobject_cleanup, parent (null) [ 44.910576] __vfs_write+0x613/0x8e0 [ 44.914757] kobject: 'rfkill125': free name [ 44.921686] ? kernel_read+0x120/0x120 [ 44.926174] kobject: 'rfkill126' (00000000980b4ebc): calling ktype release [ 44.929762] ? __handle_mm_fault+0x7cd/0x3f20 [ 44.938565] kobject: 'hci2' (00000000359503f4): kobject_uevent_env [ 44.942106] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 44.946457] kobject: 'hci2' (00000000359503f4): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 44.950304] ? __do_page_fault+0x610/0xd60 [ 44.957327] kobject: 'rfkill126': free name [ 44.961780] ? rw_verify_area+0x118/0x360 [ 44.968175] kobject: 'hci1' (000000005bfcc037): kobject_uevent_env [ 44.973002] vfs_write+0x20c/0x580 [ 44.984020] kobject: 'hci2' (00000000359503f4): kobject_cleanup, parent (null) [ 44.986842] ksys_write+0xea/0x1f0 [ 44.991165] kobject: 'hci2' (00000000359503f4): calling ktype release [ 44.995297] ? __ia32_sys_read+0xb0/0xb0 [ 44.995313] ? do_syscall_64+0x26/0x610 [ 44.995330] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.001649] kobject: 'hci1' (000000005bfcc037): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 45.005136] ? do_syscall_64+0x26/0x610 [ 45.005153] __x64_sys_write+0x73/0xb0 [ 45.005167] do_syscall_64+0x103/0x610 [ 45.013435] kobject: 'hci2': free name [ 45.016888] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.024683] kobject: 'bluetooth' (000000002322cb7f): kobject_cleanup, parent (null) [ 45.027485] RIP: 0033:0x441129 [ 45.027499] 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 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 45.031491] kobject: 'bluetooth' (000000002322cb7f): calling ktype release [ 45.036822] RSP: 002b:00007ffe0b048f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.036836] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441129 [ 45.036843] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 [ 45.036850] RBP: 000000000000adb0 R08: 00000000004002c8 R09: 00000000004002c8 [ 45.036860] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000401ea0 [ 45.047769] kobject: 'bluetooth': free name [ 45.050405] R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 [ 45.054411] kobject: 'hci1' (000000005bfcc037): kobject_cleanup, parent (null) [ 45.062862] Kernel Offset: disabled [ 45.166027] Rebooting in 86400 seconds..