Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: rsyslog ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 46.399115] kauditd_printk_skb: 3 callbacks suppressed [ 46.399130] audit: type=1400 audit(1551894121.289:35): avc: denied { map } for pid=7944 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program [ 52.984030] audit: type=1400 audit(1551894127.869:36): avc: denied { map } for pid=7956 comm="syz-executor405" path="/root/syz-executor405091459" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.036201] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 53.073511] 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 [ 53.224692] kobject_add_internal failed for hci4 (error: -2 parent: bluetooth) [ 53.232918] 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 [ 53.486803] kobject_add_internal failed for hci0 (error: -2 parent: bluetooth) [ 53.504970] 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 [ 53.862537] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 53.897125] 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 [ 54.325511] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 54.339068] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 54.360542] Bluetooth: Can't register HCI device [ 54.369143] 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 [ 54.646118] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program [ 54.689396] 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 [ 55.715042] WARNING: CPU: 1 PID: 8437 at fs/kernfs/dir.c:494 kernfs_get.part.0+0x73/0x90 [ 55.723310] Kernel panic - not syncing: panic_on_warn set ... [ 55.723316] kobject: 'hci3' (000000007105ec82): calling ktype release [ 55.723361] kobject: 'hci3': free name [ 55.729195] CPU: 1 PID: 8437 Comm: syz-executor405 Not tainted 5.0.0+ #8 [ 55.729203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.729208] Call Trace: [ 55.729227] dump_stack+0x172/0x1f0 [ 55.729242] ? kernfs_unlink_sibling+0x150/0x170 [ 55.736428] kobject: 'bluetooth' (000000005cb335ee): kobject_add_internal: parent: 'virtual', set: '(null)' [ 55.739728] panic+0x2cb/0x65c [ 55.739779] ? __warn_printk+0xf3/0xf3 [ 55.739797] ? kernfs_get.part.0+0x73/0x90 [ 55.739810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.739825] ? __warn.cold+0x5/0x45 [ 55.739850] ? __warn+0xe8/0x1d0 [ 55.739877] ? kernfs_get.part.0+0x73/0x90 [ 55.739889] __warn.cold+0x20/0x45 [ 55.760075] kobject: 'hci1' (000000005a7b09d6): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 55.762301] ? kernfs_get.part.0+0x73/0x90 [ 55.767087] kobject: 'hci2' (000000001a3327a1): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 55.776905] report_bug+0x263/0x2b0 [ 55.776924] do_error_trap+0x11b/0x200 [ 55.776941] do_invalid_op+0x37/0x50 [ 55.776955] ? kernfs_get.part.0+0x73/0x90 [ 55.799890] kobject: 'hci1' (000000005a7b09d6): kobject_uevent_env [ 55.800763] invalid_op+0x14/0x20 [ 55.805008] kobject: 'hci1' (000000005a7b09d6): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 55.808521] RIP: 0010:kernfs_get.part.0+0x73/0x90 [ 55.808534] 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 [ 55.808542] RSP: 0018:ffff888094387840 EFLAGS: 00010293 [ 55.808553] RAX: ffff88808a14e340 RBX: ffff88808f5b67e0 RCX: ffffffff81d2bd6f [ 55.808579] RDX: 0000000000000000 RSI: ffffffff81d2bd93 RDI: 0000000000000005 [ 55.821354] kobject: 'hci2' (000000001a3327a1): kobject_uevent_env [ 55.822520] RBP: ffff888094387850 R08: ffff88808a14e340 R09: ffffed1011eb6cfd [ 55.858522] kobject: 'hci2' (000000001a3327a1): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 55.867018] R10: ffffed1011eb6cfc R11: ffff88808f5b67e3 R12: 0000000000000000 [ 55.867027] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 [ 55.867062] ? kernfs_get.part.0+0x4f/0x90 [ 55.867074] ? kernfs_get.part.0+0x73/0x90 [ 55.867090] kernfs_new_node+0xb8/0x130 [ 55.867121] kernfs_create_dir_ns+0x52/0x160 [ 55.867139] sysfs_create_dir_ns+0x131/0x2a0 [ 55.872817] kobject: 'rfkill465' (000000005ee9fc80): kobject_add_internal: parent: 'hci1', set: 'devices' [ 55.890885] ? sysfs_create_mount_point+0xa0/0xa0 [ 55.890924] ? class_dir_child_ns_type+0xd/0x60 [ 55.890955] kobject_add_internal.cold+0xe5/0x5d4 [ 55.890973] kobject_add+0x150/0x1c0 [ 55.891012] ? kset_create_and_add+0x1a0/0x1a0 [ 55.898276] kobject: 'rfkill465' (000000005ee9fc80): kobject_uevent_env [ 55.903666] ? kasan_check_read+0x11/0x20 [ 55.911116] kobject: 'rfkill465' (000000005ee9fc80): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill465' [ 55.917239] ? mutex_unlock+0xd/0x10 [ 55.917251] ? device_add+0x30f/0x1870 [ 55.917268] device_add+0x3d5/0x1870 [ 55.917284] ? device_initialize+0x440/0x440 [ 55.917300] ? get_device_parent.isra.0+0x570/0x570 [ 55.924986] kobject: 'rfkill466' (000000007209c6ac): kobject_add_internal: parent: 'hci2', set: 'devices' [ 55.934161] ? start_creating+0x163/0x1e0 [ 55.934178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 55.934198] hci_register_dev+0x304/0x880 [ 55.934221] __vhci_create_device+0x2d0/0x5a0 [ 55.934238] vhci_write+0x2d0/0x470 [ 55.942255] kobject: 'rfkill465' (000000005ee9fc80): kobject_uevent_env [ 55.948773] __vfs_write+0x613/0x8e0 [ 55.948792] ? kernel_read+0x120/0x120 [ 55.948808] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 55.953243] kobject: 'rfkill466' (000000007209c6ac): kobject_uevent_env [ 55.957265] ? rw_verify_area+0x118/0x360 [ 55.957283] vfs_write+0x20c/0x580 [ 55.957302] ksys_write+0xea/0x1f0 [ 55.957319] ? __ia32_sys_read+0xb0/0xb0 [ 55.957335] ? do_syscall_64+0x26/0x610 [ 55.961469] kobject: 'rfkill465' (000000005ee9fc80): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill465' [ 55.965784] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.970344] kobject: 'rfkill466' (000000007209c6ac): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill466' [ 55.979862] ? do_syscall_64+0x26/0x610 [ 55.979880] __x64_sys_write+0x73/0xb0 [ 55.979895] do_syscall_64+0x103/0x610 [ 55.979912] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.979924] RIP: 0033:0x441129 [ 55.987951] kobject: 'rfkill465' (000000005ee9fc80): kobject_cleanup, parent (null) [ 55.989414] 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 [ 55.994247] kobject: 'rfkill465' (000000005ee9fc80): calling ktype release [ 55.997936] RSP: 002b:00007fff7d0b5e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.997949] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441129 [ 55.997957] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 [ 55.997965] RBP: 000000000000d953 R08: 00000000004002c8 R09: 00000000004002c8 [ 55.997973] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000401ea0 [ 55.997989] R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 [ 56.003329] Kernel Offset: disabled [ 56.252086] Rebooting in 86400 seconds..