[info] Using makefile-style concurrent boot in runlevel 2. [ 24.403040] audit: type=1800 audit(1541151217.940:21): pid=5510 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 '10.128.0.84' (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 syzkaller login: [ 54.900529] kobject_add_internal failed for hci5 (error: -2 parent: bluetooth) [ 54.926818] 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 [ 55.423348] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 55.454423] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 55.472050] Bluetooth: Can't register HCI device [ 55.489286] 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 [ 55.749304] kobject_add_internal failed for hci4 (error: -2 parent: bluetooth) [ 55.757447] kobject_add_internal failed for hci5 (error: -2 parent: bluetooth) [ 55.768550] Bluetooth: Can't register HCI device [ 55.773604] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program [ 55.832915] kasan: CONFIG_KASAN_INLINE enabled [ 55.850896] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 55.878996] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 55.879082] kobject: 'hci4' (0000000037318a2b): calling ktype release [ 55.885280] CPU: 1 PID: 5858 Comm: syz-executor682 Not tainted 4.19.0+ #218 [ 55.885289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.885308] RIP: 0010:kernfs_add_one+0x342/0x4d0 [ 55.885323] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 49 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6d 70 49 8d 7d 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 16 01 00 00 45 8b 6d 08 31 ff [ 55.885330] RSP: 0018:ffff8801d32c7580 EFLAGS: 00010202 [ 55.885343] RAX: dffffc0000000000 RBX: ffff8801b9dc78c0 RCX: ffffffff87ce0367 [ 55.885351] RDX: 0000000000000001 RSI: ffffffff81f8e5aa RDI: 0000000000000008 [ 55.885360] RBP: ffff8801d32c75c8 R08: fffffbfff12cf9e1 R09: fffffbfff12cf9e0 [ 55.885369] R10: fffffbfff12cf9e0 R11: ffffffff8967cf07 R12: 0000000000000000 [ 55.885377] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 55.885389] FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:000000000a04b840 [ 55.885399] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 55.885407] CR2: 00007f5261372000 CR3: 00000001d9731000 CR4: 00000000001406e0 [ 55.885419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.892856] kobject: 'hci1' (00000000c5746260): kobject_cleanup, parent (null) [ 55.899075] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.899080] Call Trace: [ 55.899110] kernfs_create_dir_ns+0xf6/0x160 [ 55.899128] sysfs_create_dir_ns+0x19b/0x340 executing program [ 55.899146] ? sysfs_create_mount_point+0xa0/0xa0 [ 55.908718] kobject: 'bluetooth' (00000000ecf697bf): kobject_add_internal: parent: 'virtual', set: '(null)' [ 55.913423] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 55.913443] ? class_dir_child_ns_type+0xd/0x60 [ 55.913465] kobject_add_internal.cold.11+0x116/0x6af [ 55.932727] kobject: 'hci4': free name [ 55.937710] ? kobj_ns_type_registered+0x60/0x60 [ 55.937728] ? lock_downgrade+0x900/0x900 [ 55.937744] ? refcount_add_not_zero_checked+0x330/0x330 executing program executing program [ 55.937764] ? kasan_check_read+0x11/0x20 [ 55.946558] kobject: 'hci1' (00000000c5746260): calling ktype release [ 55.952285] kobject_add+0x13f/0x1b0 [ 55.952302] ? kset_create_and_add+0x190/0x190 [ 55.952320] ? mutex_unlock+0xd/0x10 [ 55.959976] kobject: 'hci1' (000000007897d619): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 55.966846] ? device_add+0x382/0x18e0 [ 55.966863] device_add+0x445/0x18e0 [ 55.966879] ? kfree_const+0x5e/0x70 [ 55.966897] ? get_device_parent.isra.25+0x5a0/0x5a0 [ 55.974521] kobject: 'hci2' (00000000fa6a7047): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 55.982378] ? dev_set_name+0xad/0xe0 [ 55.982393] ? device_initialize+0x5f0/0x5f0 [ 55.982422] hci_register_dev+0x3b3/0x9c0 [ 55.988480] kobject: 'hci1' (000000007897d619): kobject_uevent_env [ 55.995555] ? hci_conn_params_free+0x810/0x810 [ 55.995572] ? __kasan_slab_free+0x102/0x150 [ 55.995592] ? iov_iter_advance+0x1370/0x1370 [ 56.003252] kobject: 'hci1': free name [ 56.011081] __vhci_create_device+0x2c1/0x580 [ 56.011106] vhci_write+0x2de/0x470 [ 56.011124] __vfs_write+0x6b8/0x9f0 [ 56.011141] ? kernel_read+0x120/0x120 [ 56.018701] kobject: 'hci1' (000000007897d619): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 56.020981] ? apparmor_path_rmdir+0x30/0x30 [ 56.021006] ? apparmor_file_permission+0x24/0x30 [ 56.025799] kobject: 'hci2' (00000000fa6a7047): kobject_uevent_env [ 56.029799] ? rw_verify_area+0x118/0x360 [ 56.029816] vfs_write+0x1fc/0x560 [ 56.029832] ksys_write+0x101/0x260 [ 56.034873] kobject: 'rfkill182' (0000000033037493): kobject_add_internal: parent: 'hci1', set: 'devices' [ 56.044531] ? __ia32_sys_read+0xb0/0xb0 [ 56.044549] ? trace_hardirqs_off_caller+0x310/0x310 [ 56.044564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.044581] __ia32_sys_write+0x71/0xb0 [ 56.049678] kobject: 'hci2' (00000000fa6a7047): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 56.053985] do_fast_syscall_32+0x34d/0xfb2 [ 56.054003] ? do_int80_syscall_32+0x890/0x890 [ 56.054021] ? entry_SYSENTER_compat+0x68/0x7f [ 56.060894] kobject: 'rfkill182' (0000000033037493): kobject_uevent_env [ 56.063075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 56.063091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.063124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.070236] kobject: 'hci3' (0000000017039966): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 56.072005] ? trace_hardirqs_on_caller+0x310/0x310 [ 56.072021] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 56.072040] ? prepare_exit_to_usermode+0x291/0x3b0 [ 56.077571] kobject: 'rfkill182' (0000000033037493): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill182' [ 56.081620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.081638] entry_SYSENTER_compat+0x70/0x7f [ 56.088798] kobject: 'hci3' (0000000017039966): kobject_uevent_env [ 56.091903] RIP: 0023:0xf7fe1a29 [ 56.091919] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 56.091931] RSP: 002b:00000000fff0809c EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 56.096942] kobject: 'rfkill183' (00000000edd903ce): kobject_add_internal: parent: 'hci2', set: 'devices' [ 56.100205] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200000c0 [ 56.100214] RDX: 0000000000000002 RSI: 00000000fff081e4 RDI: 00000000fff081ec [ 56.100222] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.100234] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 56.110539] kobject: 'rfkill182' (0000000033037493): kobject_uevent_env [ 56.113802] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 56.113817] Modules linked in: [ 56.115745] kobject: 'hci3' (0000000017039966): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 56.119528] kobject: 'hci4' (000000001f3e76fe): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 56.128635] kobject: 'hci5' (000000007f160bd8): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 56.136690] kobject: 'rfkill183' (00000000edd903ce): kobject_uevent_env [ 56.155933] kobject: 'hci5' (000000007f160bd8): kobject_uevent_env [ 56.159791] kobject: 'rfkill182' (0000000033037493): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill182' [ 56.171348] kobject: 'hci5' (000000007f160bd8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' [ 56.172927] kobject: 'hci4' (000000001f3e76fe): kobject_uevent_env [ 56.315313] kobject: 'rfkill183' (00000000edd903ce): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill183' [ 56.318349] kobject: 'hci4' (000000001f3e76fe): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' [ 56.328696] kobject: 'rfkill184' (000000007c35a833): kobject_add_internal: parent: 'hci3', set: 'devices' [ 56.335065] ---[ end trace b79988b338bb68ba ]--- [ 56.339330] kobject: 'rfkill183' (00000000edd903ce): kobject_uevent_env [ 56.344417] RIP: 0010:kernfs_add_one+0x342/0x4d0 [ 56.355902] kobject: 'rfkill184' (000000007c35a833): kobject_uevent_env [ 56.416679] kobject: 'rfkill183' (00000000edd903ce): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill183' [ 56.418816] kobject: 'rfkill184' (000000007c35a833): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill184' [ 56.476483] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 49 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6d 70 49 8d 7d 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 16 01 00 00 45 8b 6d 08 31 ff [ 56.478944] kobject: 'rfkill184' (000000007c35a833): kobject_uevent_env [ 56.489522] kobject: 'rfkill182' (0000000033037493): kobject_cleanup, parent (null) [ 56.499191] kobject: 'rfkill185' (00000000f0f04b16): kobject_add_internal: parent: 'hci5', set: 'devices' [ 56.515288] kobject: 'rfkill182' (0000000033037493): calling ktype release [ 56.520830] kobject: 'rfkill184' (000000007c35a833): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill184' [ 56.529592] kobject: 'rfkill182': free name [ 56.537114] kobject: 'rfkill185' (00000000f0f04b16): kobject_uevent_env [ 56.559821] kobject: 'hci1' (000000007897d619): kobject_uevent_env [ 56.570303] RSP: 0018:ffff8801d32c7580 EFLAGS: 00010202 [ 56.581313] kobject: 'hci1' (000000007897d619): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 56.600486] RAX: dffffc0000000000 RBX: ffff8801b9dc78c0 RCX: ffffffff87ce0367 [ 56.610719] kobject: 'hci1' (000000007897d619): kobject_cleanup, parent (null) [ 56.616011] RDX: 0000000000000001 RSI: ffffffff81f8e5aa RDI: 0000000000000008 [ 56.625607] kobject: 'rfkill185' (00000000f0f04b16): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5/rfkill185' [ 56.632896] RBP: ffff8801d32c75c8 R08: fffffbfff12cf9e1 R09: fffffbfff12cf9e0 [ 56.643597] kobject: 'hci1' (000000007897d619): calling ktype release [ 56.648298] R10: fffffbfff12cf9e0 R11: ffffffff8967cf07 R12: 0000000000000000 executing program [ 56.654838] kobject: 'hci1': free name [ 56.661366] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 56.669383] kobject: 'rfkill186' (00000000cdcd4c0a): kobject_add_internal: parent: 'hci4', set: 'devices' [ 56.676411] FS: 0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:000000000a04b840 [ 56.684009] kobject: 'rfkill185' (00000000f0f04b16): kobject_uevent_env [ 56.692059] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 56.699440] kobject: 'rfkill186' (00000000cdcd4c0a): kobject_uevent_env [ 56.711477] CR2: 0000000000cdc028 CR3: 00000001d9731000 CR4: 00000000001406e0 [ 56.717499] kobject: 'rfkill185' (00000000f0f04b16): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5/rfkill185' [ 56.724786] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.731514] kobject: 'rfkill186' (00000000cdcd4c0a): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill186' [ 56.737438] kobject: 'hci1' (000000006e6858f9): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 56.746970] kobject: 'rfkill183' (00000000edd903ce): kobject_cleanup, parent (null) [ 56.752708] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.760947] kobject: 'rfkill186' (00000000cdcd4c0a): kobject_uevent_env [ 56.767578] kobject: 'rfkill184' (000000007c35a833): kobject_cleanup, parent (null) [ 56.774584] kobject: 'rfkill185' (00000000f0f04b16): kobject_cleanup, parent (null) [ 56.780487] kobject: 'hci1' (000000006e6858f9): kobject_uevent_env [ 56.787600] kobject: 'rfkill186' (00000000cdcd4c0a): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill186' [ 56.798616] kobject: 'rfkill184' (000000007c35a833): calling ktype release [ 56.805894] kobject: 'rfkill183' (00000000edd903ce): calling ktype release [ 56.816972] kobject: 'hci1' (000000006e6858f9): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 56.826707] kobject: 'rfkill185' (00000000f0f04b16): calling ktype release [ 56.835457] kobject: 'rfkill184': free name [ 56.844043] Kernel panic - not syncing: Fatal exception [ 56.850122] kobject: 'hci3' (0000000017039966): kobject_uevent_env [ 56.859371] Kernel Offset: disabled [ 56.935252] Rebooting in 86400 seconds..