[ 34.705467] audit: type=1800 audit(1551207879.058:28): pid=7371 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. [ 35.565003] audit: type=1800 audit(1551207880.018:29): pid=7371 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 [ 35.584464] audit: type=1800 audit(1551207880.018:30): pid=7371 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: rsyslog ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.139' (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 executing program executing program syzkaller login: [ 46.397088] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 46.429106] 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 [ 46.719771] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 46.758199] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program [ 46.784423] kobject_add_internal failed for hci4 (error: -2 parent: bluetooth) [ 46.803030] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 47.788397] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 47.806112] 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 [ 47.908724] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 47.940617] 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 [ 48.077043] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 48.096257] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.252351] kobject_add_internal failed for hci6 (error: -2 parent: bluetooth) [ 49.285701] Bluetooth: Can't register HCI device [ 49.296976] WARNING: CPU: 1 PID: 8159 at fs/kernfs/dir.c:494 kernfs_get.part.0+0x73/0x90 [ 49.298349] kobject: 'rfkill593' (00000000653caff5): kobject_uevent_env [ 49.305459] Kernel panic - not syncing: panic_on_warn set ... [ 49.305476] CPU: 1 PID: 8159 Comm: syz-executor866 Not tainted 5.0.0-rc8+ #88 [ 49.305484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.305489] Call Trace: [ 49.305510] dump_stack+0x172/0x1f0 [ 49.305527] ? kernfs_unlink_sibling+0x110/0x170 [ 49.305545] panic+0x2cb/0x65c [ 49.305561] ? __warn_printk+0xf3/0xf3 [ 49.305587] ? kernfs_get.part.0+0x73/0x90 [ 49.305601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.305614] ? __warn.cold+0x5/0x45 [ 49.305628] ? __warn+0xe8/0x1d0 [ 49.305642] ? kernfs_get.part.0+0x73/0x90 [ 49.314863] kobject: 'hci4' (000000001b213aa8): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 49.318266] __warn.cold+0x20/0x45 [ 49.325572] kobject: 'hci1' (0000000089124b30): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 49.334869] ? kernfs_get.part.0+0x73/0x90 [ 49.334886] report_bug+0x263/0x2b0 [ 49.334907] do_error_trap+0x11b/0x200 [ 49.334924] do_invalid_op+0x37/0x50 [ 49.337522] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 49.341116] ? kernfs_get.part.0+0x73/0x90 [ 49.341132] invalid_op+0x14/0x20 [ 49.341146] RIP: 0010:kernfs_get.part.0+0x73/0x90 [ 49.341159] Code: e6 e8 f1 ce 9d ff 45 85 e4 74 1a e8 67 cd 9d ff be 04 00 00 00 48 89 df e8 7a a7 d4 ff f0 ff 03 5b 41 5c 5d c3 e8 4d cd 9d ff <0f> 0b eb dd 48 89 df e8 a1 cd d4 ff eb c1 0f 1f 44 00 00 66 2e 0f [ 49.341169] RSP: 0018:ffff88808bff7840 EFLAGS: 00010293 [ 49.348329] kobject: 'hci4' (000000001b213aa8): kobject_uevent_env [ 49.349089] RAX: ffff88809faa2100 RBX: ffff888096757e00 RCX: ffffffff81d211af [ 49.353500] kobject: 'rfkill593' (00000000653caff5): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill593' [ 49.357196] RDX: 0000000000000000 RSI: ffffffff81d211d3 RDI: 0000000000000005 [ 49.363323] Bluetooth: Can't register HCI device [ 49.366336] RBP: ffff88808bff7850 R08: ffff88809faa2100 R09: ffffed1012ceafc1 [ 49.370594] kobject: 'hci4' (000000001b213aa8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' [ 49.373912] R10: ffffed1012ceafc0 R11: ffff888096757e03 R12: 0000000000000000 [ 49.383929] kobject: 'hci1' (0000000089124b30): kobject_cleanup, parent (null) [ 49.387128] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 [ 49.397300] kobject: 'rfkill593' (00000000653caff5): kobject_cleanup, parent (null) [ 49.401054] ? kernfs_get.part.0+0x4f/0x90 [ 49.401067] ? kernfs_get.part.0+0x73/0x90 [ 49.401086] kernfs_new_node+0xb8/0x130 [ 49.401103] kernfs_create_dir_ns+0x52/0x160 [ 49.405045] kobject: 'rfkill593' (00000000653caff5): calling ktype release [ 49.408600] sysfs_create_dir_ns+0x131/0x2a0 [ 49.412789] kobject: 'rfkill594' (00000000ea9115ae): kobject_add_internal: parent: 'hci4', set: 'devices' [ 49.419648] ? sysfs_create_mount_point+0xa0/0xa0 [ 49.419674] ? class_dir_child_ns_type+0xd/0x60 [ 49.419693] kobject_add_internal.cold+0xe5/0x5d4 [ 49.419709] kobject_add+0x150/0x1c0 [ 49.419720] ? kset_create_and_add+0x1a0/0x1a0 [ 49.425255] kobject: 'hci1' (0000000089124b30): calling ktype release [ 49.427475] ? kasan_check_read+0x11/0x20 [ 49.432797] kobject: 'rfkill593': free name [ 49.451193] ? mutex_unlock+0xd/0x10 [ 49.451205] ? device_add+0x30f/0x1870 [ 49.451222] device_add+0x3d5/0x1870 [ 49.451238] ? device_initialize+0x440/0x440 [ 49.451255] ? get_device_parent.isra.0+0x570/0x570 [ 49.451277] hci_register_dev+0x304/0x880 [ 49.457641] kobject: 'rfkill594' (00000000ea9115ae): kobject_uevent_env [ 49.462939] __vhci_create_device+0x2d0/0x5a0 [ 49.462957] vhci_write+0x2d0/0x470 [ 49.462987] __vfs_write+0x613/0x8e0 [ 49.463003] ? kernel_read+0x120/0x120 [ 49.470697] kobject: 'hci1': free name [ 49.481171] ? common_file_perm+0x1d6/0x6f0 [ 49.481192] ? apparmor_file_permission+0x25/0x30 [ 49.481213] ? rw_verify_area+0x118/0x360 [ 49.481229] vfs_write+0x20c/0x580 [ 49.488609] kobject: 'rfkill594' (00000000ea9115ae): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill594' [ 49.493240] ksys_write+0xea/0x1f0 [ 49.493257] ? __ia32_sys_read+0xb0/0xb0 [ 49.493274] ? do_syscall_64+0x26/0x610 [ 49.493291] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.503749] kobject: 'hci2' (000000005639af62): kobject_uevent_env [ 49.510157] ? do_syscall_64+0x26/0x610 [ 49.510177] __x64_sys_write+0x73/0xb0 [ 49.510194] do_syscall_64+0x103/0x610 [ 49.510209] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.510220] RIP: 0033:0x440e59 [ 49.510233] 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 [ 49.510244] RSP: 002b:00007fff653cc5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.517651] kobject: 'hci2' (000000005639af62): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 49.525719] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440e59 [ 49.525727] RDX: 0000000000000002 RSI: 0000000020000040 RDI: 0000000000000003 [ 49.525736] RBP: 000000000000c04a R08: 00000000004002c8 R09: 00000000004002c8 [ 49.525744] R10: 000000000122b880 R11: 0000000000000246 R12: 0000000000401cf0 [ 49.525752] R13: 0000000000401d80 R14: 0000000000000000 R15: 0000000000000000 [ 49.533922] Kernel Offset: disabled [ 49.815526] Rebooting in 86400 seconds..