[ 35.342377] audit: type=1800 audit(1551894189.179:28): pid=7458 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. [ 36.121622] audit: type=1800 audit(1551894190.029:29): pid=7458 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 [ 36.141485] audit: type=1800 audit(1551894190.029:30): pid=7458 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 ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.54' (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 syzkaller login: [ 48.748152] kobject_add_internal failed for hci5 (error: -2 parent: bluetooth) [ 48.784742] 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 [ 48.888919] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 48.920340] 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 [ 49.052782] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 49.068570] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 50.371681] kobject_add_internal failed for hci0 (error: -2 parent: bluetooth) [ 50.399802] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 50.408271] 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 [ 50.434159] 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 [ 51.120778] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 51.153546] 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 [ 51.286396] WARNING: CPU: 1 PID: 8265 at fs/kernfs/dir.c:494 kernfs_get.part.0+0x73/0x90 [ 51.287022] kobject: 'hci1' (00000000e2a5d3b6): kobject_cleanup, parent (null) [ 51.294639] Kernel panic - not syncing: panic_on_warn set ... [ 51.294653] CPU: 1 PID: 8265 Comm: syz-executor536 Not tainted 5.0.0+ #8 [ 51.294660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.294665] Call Trace: [ 51.294682] dump_stack+0x172/0x1f0 [ 51.294696] ? kernfs_unlink_sibling+0x150/0x170 [ 51.303182] kobject: 'bluetooth' (000000000f9108fb): kobject_add_internal: parent: 'virtual', set: '(null)' [ 51.308798] panic+0x2cb/0x65c [ 51.308810] ? __warn_printk+0xf3/0xf3 [ 51.308829] ? kernfs_get.part.0+0x73/0x90 [ 51.318677] kobject: 'hci1' (0000000010ca8cd5): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 51.325088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.325104] ? __warn.cold+0x5/0x45 [ 51.325117] ? __warn+0xe8/0x1d0 [ 51.325131] ? kernfs_get.part.0+0x73/0x90 [ 51.327841] kobject: 'hci3' (000000004da2a8d3): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 51.331323] __warn.cold+0x20/0x45 [ 51.336086] kobject: 'hci2' (00000000d45b8c78): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 51.345921] ? kernfs_get.part.0+0x73/0x90 [ 51.345936] report_bug+0x263/0x2b0 [ 51.345953] do_error_trap+0x11b/0x200 [ 51.349238] kobject: 'hci1' (0000000010ca8cd5): kobject_uevent_env [ 51.353003] do_invalid_op+0x37/0x50 [ 51.353014] ? kernfs_get.part.0+0x73/0x90 [ 51.353028] invalid_op+0x14/0x20 [ 51.353039] RIP: 0010:kernfs_get.part.0+0x73/0x90 [ 51.353052] 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 [ 51.357723] kobject: 'hci3' (000000004da2a8d3): kobject_uevent_env [ 51.366949] RSP: 0018:ffff88809f587840 EFLAGS: 00010293 [ 51.366961] RAX: ffff88808ffc2140 RBX: ffff888094335000 RCX: ffffffff81d2bd6f [ 51.366969] RDX: 0000000000000000 RSI: ffffffff81d2bd93 RDI: 0000000000000005 [ 51.366977] RBP: ffff88809f587850 R08: ffff88808ffc2140 R09: ffffed1012866a01 [ 51.366984] R10: ffffed1012866a00 R11: ffff888094335003 R12: 0000000000000000 [ 51.366994] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 [ 51.372658] kobject: 'hci1' (00000000e2a5d3b6): calling ktype release [ 51.376143] ? kernfs_get.part.0+0x4f/0x90 [ 51.379519] kobject: 'hci1': free name [ 51.383706] ? kernfs_get.part.0+0x73/0x90 [ 51.383724] kernfs_new_node+0xb8/0x130 [ 51.383740] kernfs_create_dir_ns+0x52/0x160 [ 51.383756] sysfs_create_dir_ns+0x131/0x2a0 [ 51.393599] kobject: 'hci1' (0000000010ca8cd5): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 51.396977] ? sysfs_create_mount_point+0xa0/0xa0 [ 51.406858] kobject: 'hci2' (00000000d45b8c78): kobject_uevent_env [ 51.410885] ? class_dir_child_ns_type+0xd/0x60 [ 51.414621] kobject: 'hci3' (000000004da2a8d3): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 51.418376] kobject_add_internal.cold+0xe5/0x5d4 [ 51.424955] kobject: 'rfkill617' (00000000634a8194): kobject_add_internal: parent: 'hci1', set: 'devices' [ 51.428381] kobject_add+0x150/0x1c0 [ 51.432796] kobject: 'hci2' (00000000d45b8c78): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 51.436115] ? kset_create_and_add+0x1a0/0x1a0 [ 51.442502] kobject: 'rfkill617' (00000000634a8194): kobject_uevent_env [ 51.459881] ? kasan_check_read+0x11/0x20 [ 51.459909] ? mutex_unlock+0xd/0x10 [ 51.459919] ? device_add+0x30f/0x1870 [ 51.459944] device_add+0x3d5/0x1870 [ 51.466513] kobject: 'rfkill617' (00000000634a8194): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill617' [ 51.471618] ? device_initialize+0x440/0x440 [ 51.479137] kobject: 'rfkill618' (000000008fb73bfe): kobject_add_internal: parent: 'hci2', set: 'devices' [ 51.486126] ? get_device_parent.isra.0+0x570/0x570 [ 51.486142] ? start_creating+0x163/0x1e0 [ 51.486155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.486184] hci_register_dev+0x304/0x880 [ 51.493962] kobject: 'rfkill617' (00000000634a8194): kobject_uevent_env [ 51.500756] __vhci_create_device+0x2d0/0x5a0 [ 51.508274] kobject: 'rfkill618' (000000008fb73bfe): kobject_uevent_env [ 51.514633] vhci_write+0x2d0/0x470 [ 51.514650] __vfs_write+0x613/0x8e0 [ 51.514669] ? kernel_read+0x120/0x120 [ 51.518995] kobject: 'rfkill617' (00000000634a8194): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill617' [ 51.522762] ? common_file_perm+0x1d6/0x6f0 [ 51.522781] ? apparmor_file_permission+0x25/0x30 [ 51.522799] ? rw_verify_area+0x118/0x360 [ 51.527108] kobject: 'rfkill618' (000000008fb73bfe): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill618' [ 51.530978] vfs_write+0x20c/0x580 [ 51.535721] kobject: 'rfkill619' (000000005f10a9f4): kobject_add_internal: parent: 'hci3', set: 'devices' [ 51.539772] ksys_write+0xea/0x1f0 [ 51.549841] kobject: 'rfkill618' (000000008fb73bfe): kobject_uevent_env [ 51.554212] ? __ia32_sys_read+0xb0/0xb0 [ 51.554229] ? do_syscall_64+0x26/0x610 [ 51.554244] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.560564] kobject: 'rfkill618' (000000008fb73bfe): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill618' [ 51.565194] ? do_syscall_64+0x26/0x610 [ 51.565212] __x64_sys_write+0x73/0xb0 [ 51.565226] do_syscall_64+0x103/0x610 [ 51.565240] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.575770] kobject: 'rfkill619' (000000005f10a9f4): kobject_uevent_env [ 51.580276] RIP: 0033:0x441129 [ 51.590074] kobject: 'rfkill619' (000000005f10a9f4): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill619' [ 51.593659] 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 [ 51.593667] RSP: 002b:00007ffff855d938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.593678] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441129 [ 51.593685] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 [ 51.593696] RBP: 000000000000c7f3 R08: 00000000004002c8 R09: 00000000004002c8 [ 51.603731] kobject: 'rfkill617' (00000000634a8194): kobject_cleanup, parent (null) [ 51.607901] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000401ea0 [ 51.614778] kobject: 'rfkill618' (000000008fb73bfe): kobject_cleanup, parent (null) [ 51.618811] R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 [ 51.622917] kobject: 'rfkill619' (000000005f10a9f4): kobject_uevent_env [ 51.630745] Kernel Offset: disabled [ 51.914171] Rebooting in 86400 seconds..