[....] 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. [ 26.834982] kauditd_printk_skb: 7 callbacks suppressed [ 26.834994] audit: type=1800 audit(1540929015.148:29): pid=5527 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 [ 26.862088] audit: type=1800 audit(1540929015.148:30): pid=5527 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.10.9' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 53.055821] kasan: CONFIG_KASAN_INLINE enabled executing program executing program executing program executing program executing program [ 53.077241] kasan: GPF could be caused by NULL-ptr deref or user memory access executing program executing program [ 53.129931] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 53.132514] kobject: 'rfkill152' (000000002bc73d3e): kobject_add_internal: parent: 'hci4', set: 'devices' [ 53.136191] CPU: 0 PID: 5834 Comm: syz-executor232 Not tainted 4.19.0+ #311 [ 53.136199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.136218] RIP: 0010:kernfs_add_one+0x342/0x4d0 [ 53.136232] 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 [ 53.136240] RSP: 0018:ffff8801ba68f5d0 EFLAGS: 00010202 [ 53.136251] RAX: dffffc0000000000 RBX: ffff8801ba1ade00 RCX: ffffffff87cc2707 [ 53.136265] RDX: 0000000000000001 RSI: ffffffff81f8bc2a RDI: 0000000000000008 [ 53.146627] kobject: 'hci1' (000000003117ee46): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 53.153049] RBP: ffff8801ba68f618 R08: fffffbfff12cf871 R09: fffffbfff12cf870 [ 53.153058] R10: fffffbfff12cf870 R11: ffffffff8967c387 R12: 0000000000000000 [ 53.153067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.153079] FS: 00000000017b5880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 53.153094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.164484] kobject: 'hci2' (000000003fad6c91): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 53.167176] CR2: 0000000000414ac0 CR3: 00000001d371b000 CR4: 00000000001406f0 [ 53.167189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.167197] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.167208] Call Trace: [ 53.186940] kobject: 'rfkill152' (000000002bc73d3e): kobject_uevent_env [ 53.191477] kernfs_create_dir_ns+0xf6/0x160 [ 53.191494] sysfs_create_dir_ns+0x19b/0x340 [ 53.191512] ? sysfs_create_mount_point+0xa0/0xa0 [ 53.199000] kobject: 'hci1' (000000003117ee46): kobject_uevent_env [ 53.206060] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 53.206080] ? class_dir_child_ns_type+0xd/0x60 [ 53.206098] kobject_add_internal.cold.11+0x116/0x6af executing program executing program [ 53.206114] ? kobj_ns_type_registered+0x60/0x60 [ 53.206130] ? lock_downgrade+0x900/0x900 [ 53.206155] ? refcount_add_not_zero_checked+0x330/0x330 [ 53.206172] ? kasan_check_read+0x11/0x20 [ 53.206187] kobject_add+0x13f/0x1b0 [ 53.206200] ? kset_create_and_add+0x190/0x190 [ 53.206215] ? mutex_unlock+0xd/0x10 [ 53.206227] ? device_add+0x382/0x18e0 [ 53.206242] device_add+0x445/0x18e0 [ 53.206258] ? kfree_const+0x5e/0x70 [ 53.206274] ? get_device_parent.isra.25+0x5a0/0x5a0 [ 53.206284] ? dev_set_name+0xad/0xe0 [ 53.206297] ? device_initialize+0x5f0/0x5f0 [ 53.206318] hci_register_dev+0x3b3/0x9c0 [ 53.216656] kobject: 'hci2' (000000003fad6c91): kobject_uevent_env [ 53.223278] ? hci_conn_params_free+0x810/0x810 [ 53.223297] ? iov_iter_advance+0x1370/0x1370 [ 53.223315] __vhci_create_device+0x2c1/0x580 [ 53.230700] kobject: 'rfkill152' (000000002bc73d3e): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill152' [ 53.237837] vhci_write+0x2de/0x470 [ 53.237855] __vfs_write+0x6b8/0x9f0 [ 53.237872] ? kernel_read+0x120/0x120 [ 53.237886] ? apparmor_path_rmdir+0x30/0x30 [ 53.237900] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 53.237916] ? apparmor_file_permission+0x24/0x30 [ 53.246264] kobject: 'hci1' (000000003117ee46): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 53.252019] ? rw_verify_area+0x118/0x360 [ 53.252035] vfs_write+0x1fc/0x560 [ 53.252052] ksys_write+0x101/0x260 [ 53.261851] kobject: 'hci2' (000000003fad6c91): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 53.269006] ? __ia32_sys_read+0xb0/0xb0 [ 53.269024] ? trace_hardirqs_off_caller+0x310/0x310 [ 53.269042] __x64_sys_write+0x73/0xb0 [ 53.269061] do_syscall_64+0x1b9/0x820 [ 53.276913] kobject: 'rfkill152' (000000002bc73d3e): kobject_uevent_env [ 53.283590] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 53.283609] ? syscall_return_slowpath+0x5e0/0x5e0 [ 53.283622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.283641] ? trace_hardirqs_on_caller+0x310/0x310 [ 53.286296] kobject: 'rfkill152' (000000002bc73d3e): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill152' [ 53.292955] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 53.292972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.292990] ? prepare_exit_to_usermode+0x291/0x3b0 [ 53.297667] kobject: 'rfkill153' (00000000f827155e): kobject_add_internal: parent: 'hci1', set: 'devices' [ 53.301779] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.301801] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.301815] RIP: 0033:0x440e49 [ 53.307117] kobject: 'rfkill153' (00000000f827155e): kobject_uevent_env [ 53.312956] 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 [ 53.312965] RSP: 002b:00007ffe9a829ad8 EFLAGS: 00000213 ORIG_RAX: 0000000000000001 [ 53.312978] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440e49 [ 53.312991] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 [ 53.318003] kobject: 'rfkill153' (00000000f827155e): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill153' [ 53.322387] RBP: 0000000000000000 R08: 00000000004002c8 R09: 00000000004002c8 [ 53.322396] R10: 00000000017b5880 R11: 0000000000000213 R12: 000000000000cf0a [ 53.322404] R13: 0000000000401d70 R14: 0000000000000000 R15: 0000000000000000 [ 53.322419] Modules linked in: [ 53.327762] kobject: 'rfkill154' (00000000452560d2): kobject_add_internal: parent: 'hci2', set: 'devices' [ 53.344530] kobject: 'hci5' (00000000dd261b1b): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 53.350179] kobject: 'rfkill153' (00000000f827155e): kobject_uevent_env executing program [ 53.354726] kobject: 'hci3' (000000007adb2c49): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 53.359133] kobject: 'rfkill153' (00000000f827155e): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill153' [ 53.371972] kobject: 'hci3' (000000007adb2c49): kobject_uevent_env [ 53.376331] kobject: 'rfkill154' (00000000452560d2): kobject_uevent_env [ 53.390137] kobject: 'hci3' (000000007adb2c49): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 53.395280] kobject: 'rfkill154' (00000000452560d2): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill154' [ 53.408429] kobject: 'hci5' (00000000dd261b1b): kobject_uevent_env [ 53.419399] kobject: 'rfkill152' (000000002bc73d3e): kobject_cleanup, parent (null) [ 53.424914] kobject: 'rfkill155' (0000000099aa93ef): kobject_add_internal: parent: 'hci3', set: 'devices' [ 53.443727] kobject: 'rfkill154' (00000000452560d2): kobject_uevent_env [ 53.463453] kobject: 'rfkill152' (000000002bc73d3e): calling ktype release [ 53.466343] kobject: 'rfkill154' (00000000452560d2): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill154' [ 53.482287] kobject: 'hci5' (00000000dd261b1b): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' [ 53.493489] kobject: 'rfkill152': free name [ 53.536457] kobject: 'rfkill155' (0000000099aa93ef): kobject_uevent_env [ 53.540991] kobject: 'hci4' (000000003e486a5c): kobject_uevent_env [ 53.559535] kobject: 'rfkill155' (0000000099aa93ef): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill155' [ 53.562482] kobject: 'hci4' (000000003e486a5c): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' executing program [ 53.567760] kobject: 'rfkill153' (00000000f827155e): kobject_cleanup, parent (null) [ 53.569352] kobject: 'rfkill154' (00000000452560d2): kobject_cleanup, parent (null) [ 53.575322] kobject: 'rfkill156' (00000000098b792d): kobject_add_internal: parent: 'hci5', set: 'devices' [ 53.603653] kobject: 'hci4' (000000003e486a5c): kobject_cleanup, parent (null) [ 53.611942] kobject: 'rfkill153' (00000000f827155e): calling ktype release [ 53.618014] kobject: 'hci4' (000000003e486a5c): calling ktype release executing program [ 53.628391] kobject: 'rfkill153': free name [ 53.635797] kobject: 'rfkill154' (00000000452560d2): calling ktype release [ 53.642643] kobject: 'hci1' (000000003117ee46): kobject_uevent_env [ 53.650427] kobject: 'hci4': free name [ 53.653648] kobject: 'rfkill156' (00000000098b792d): kobject_uevent_env [ 53.664054] kobject: 'rfkill154': free name [ 53.672842] kobject: 'hci1' (000000003117ee46): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 53.681257] kobject: 'hci2' (000000003fad6c91): kobject_uevent_env [ 53.689841] kobject: 'rfkill156' (00000000098b792d): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5/rfkill156' [ 53.702787] kobject: 'hci4' (00000000b6037555): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 53.707165] kobject: 'hci1' (000000003117ee46): kobject_cleanup, parent (null) [ 53.714407] kobject: 'hci4' (00000000b6037555): kobject_uevent_env [ 53.724791] kobject: 'rfkill155' (0000000099aa93ef): kobject_uevent_env [ 53.734422] kobject: 'hci2' (000000003fad6c91): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 53.740645] kobject: 'rfkill156' (00000000098b792d): kobject_uevent_env [ 53.750362] kobject: 'hci2' (000000003fad6c91): kobject_cleanup, parent (null) [ 53.760423] kobject: 'hci1' (000000003117ee46): calling ktype release [ 53.766196] kobject: 'hci4' (00000000b6037555): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' [ 53.772904] kobject: 'rfkill155' (0000000099aa93ef): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill155' [ 53.784397] kobject: 'hci2' (000000003fad6c91): calling ktype release [ 53.793821] kobject: 'hci1': free name [ 53.799027] kobject: 'rfkill157' (00000000a76a75d5): kobject_add_internal: parent: 'hci4', set: 'devices' [ 53.808312] kobject: 'rfkill156' (00000000098b792d): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5/rfkill156' [ 53.811915] kobject: 'rfkill157' (00000000a76a75d5): kobject_uevent_env [ 53.824031] ---[ end trace a0d8de35ebcb2605 ]--- [ 53.832159] kobject: 'hci2': free name [ 53.840456] RIP: 0010:kernfs_add_one+0x342/0x4d0 [ 53.851510] kobject: 'hci1' (00000000aaf03bbe): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 53.859364] 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 [ 53.869835] kobject: 'rfkill157' (00000000a76a75d5): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill157' [ 53.874661] RSP: 0018:ffff8801ba68f5d0 EFLAGS: 00010202 [ 53.881717] kobject: 'hci1' (00000000aaf03bbe): kobject_uevent_env [ 53.885421] RAX: dffffc0000000000 RBX: ffff8801ba1ade00 RCX: ffffffff87cc2707 [ 53.894994] kobject: 'hci2' (000000001d3206e4): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 53.899293] RDX: 0000000000000001 RSI: ffffffff81f8bc2a RDI: 0000000000000008 [ 53.904855] kobject: 'rfkill157' (00000000a76a75d5): kobject_uevent_env [ 53.910258] kobject: 'rfkill155' (0000000099aa93ef): kobject_cleanup, parent (null) [ 53.914747] kobject: 'hci1' (00000000aaf03bbe): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' executing program [ 53.924170] kobject: 'rfkill156' (00000000098b792d): kobject_cleanup, parent (null) [ 53.930328] kobject: 'hci2' (000000001d3206e4): kobject_uevent_env [ 53.941526] RBP: ffff8801ba68f618 R08: fffffbfff12cf871 R09: fffffbfff12cf870 [ 53.951985] kobject: 'rfkill158' (0000000013c809ce): kobject_add_internal: parent: 'hci1', set: 'devices' [ 53.959348] kobject: 'rfkill155' (0000000099aa93ef): calling ktype release [ 53.966300] kobject: 'rfkill158' (0000000013c809ce): kobject_uevent_env [ 53.972445] kobject: 'rfkill157' (00000000a76a75d5): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill157' [ 53.983287] kobject: 'hci2' (000000001d3206e4): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 53.989420] kobject: 'rfkill156' (00000000098b792d): calling ktype release [ 53.999545] kobject: 'rfkill158' (0000000013c809ce): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill158' [ 54.005407] kobject: 'rfkill155': free name [ 54.014884] kobject: 'rfkill159' (00000000e2902c1d): kobject_add_internal: parent: 'hci2', set: 'devices' [ 54.024742] kobject: 'rfkill156': free name [ 54.031878] kobject: 'rfkill158' (0000000013c809ce): kobject_uevent_env [ 54.035336] kobject: 'hci3' (000000007adb2c49): kobject_uevent_env [ 54.046285] R10: fffffbfff12cf870 R11: ffffffff8967c387 R12: 0000000000000000 [ 54.056972] kobject: 'hci5' (00000000dd261b1b): kobject_uevent_env [ 54.063738] kobject: 'rfkill159' (00000000e2902c1d): kobject_uevent_env [ 54.067756] kobject: 'hci5' (00000000dd261b1b): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' [ 54.071915] kobject: 'rfkill159' (00000000e2902c1d): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill159' executing program [ 54.076214] kobject: 'hci3' (000000007adb2c49): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 54.086350] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.105724] kobject: 'hci5' (00000000dd261b1b): kobject_cleanup, parent (null) [ 54.117273] kobject: 'rfkill158' (0000000013c809ce): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill158' [ 54.121572] kobject: 'hci5' (00000000dd261b1b): calling ktype release [ 54.128611] kobject: 'rfkill157' (00000000a76a75d5): kobject_cleanup, parent (null) [ 54.137156] kobject: 'hci5': free name [ 54.146010] kobject: 'rfkill159' (00000000e2902c1d): kobject_uevent_env [ 54.152804] kobject: 'hci3' (000000007adb2c49): kobject_cleanup, parent (null) [ 54.159427] kobject: 'rfkill158' (0000000013c809ce): kobject_cleanup, parent (null) [ 54.168921] kobject: 'rfkill157' (00000000a76a75d5): calling ktype release [ 54.179088] kobject: 'rfkill159' (00000000e2902c1d): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill159' [ 54.186473] kobject: 'hci3' (000000007adb2c49): calling ktype release [ 54.193157] kobject: 'rfkill158' (0000000013c809ce): calling ktype release [ 54.202055] kobject: 'hci3' (00000000dadab329): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 54.210288] kobject: 'rfkill159' (00000000e2902c1d): kobject_cleanup, parent (null) [ 54.217379] FS: 00000000017b5880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 54.223970] kobject: 'rfkill159' (00000000e2902c1d): calling ktype release [ 54.234675] kobject: 'hci3' (00000000dadab329): kobject_uevent_env [ 54.245341] kobject: 'rfkill158': free name [ 54.251369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.262857] kobject: 'hci3': free name [ 54.266755] kobject: 'hci3' (00000000dadab329): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 54.277455] kobject: 'rfkill157': free name [ 54.282236] kobject: 'rfkill160' (00000000a18f6509): kobject_add_internal: parent: 'hci3', set: 'devices' [ 54.287917] kobject: 'rfkill159': free name [ 54.293897] CR2: 00000000006cb090 CR3: 00000001d371b000 CR4: 00000000001406f0 [ 54.302399] kobject: 'hci4' (00000000b6037555): kobject_uevent_env [ 54.308001] kobject: 'rfkill160' (00000000a18f6509): kobject_uevent_env [ 54.316953] kobject: 'hci1' (00000000aaf03bbe): kobject_uevent_env [ 54.324348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.335838] kobject: 'hci2' (000000001d3206e4): kobject_uevent_env [ 54.344959] kobject: 'rfkill160' (00000000a18f6509): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill160' [ 54.354481] kobject: 'hci5' (000000001886e18c): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 54.360610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.371931] kobject: 'hci2' (000000001d3206e4): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 54.380355] kobject: 'hci4' (00000000b6037555): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' [ 54.388907] kobject: 'hci5' (000000001886e18c): kobject_uevent_env [ 54.391269] kobject: 'rfkill160' (00000000a18f6509): kobject_uevent_env [ 54.398266] kobject: 'hci2' (000000001d3206e4): kobject_cleanup, parent (null) [ 54.406974] kobject: 'hci4' (00000000b6037555): kobject_cleanup, parent (null) [ 54.415496] kobject: 'hci5' (000000001886e18c): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' [ 54.421729] kobject: 'hci1' (00000000aaf03bbe): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 54.433306] kobject: 'hci2' (000000001d3206e4): calling ktype release [ 54.439481] kobject: 'rfkill160' (00000000a18f6509): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill160' [ 54.447218] Kernel panic - not syncing: Fatal exception [ 54.456351] kobject: 'hci4' (00000000b6037555): calling ktype release [ 54.465116] Kernel Offset: disabled [ 54.697225] Rebooting in 86400 seconds..