[ 407.636374] ? hci_loglink_complete_evt.isra.127+0x700/0x700 [ 407.642945] ? mark_held_locks+0xc7/0x130 [ 407.647543] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.653616] ? skb_dequeue+0x14d/0x1f0 [ 407.657859] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.662537] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.667843] ? trace_hardirqs_on+0x28/0x190 [ 407.672292] ? kasan_check_read+0x11/0x20 [ 407.676858] hci_rx_work+0x33e/0xa60 [ 407.680832] process_one_work+0x7b9/0x15a0 [ 407.685382] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 407.690934] ? lock_acquire+0x180/0x3a0 [ 407.695090] ? kasan_check_write+0x14/0x20 [ 407.699980] ? do_raw_spin_lock+0xd0/0x240 [ 407.705149] worker_thread+0x85/0xb60 [ 407.709652] ? __kthread_parkme+0x37/0x1c0 [ 407.713993] kthread+0x347/0x410 [ 407.717855] ? process_one_work+0x15a0/0x15a0 [ 407.722467] ? kthread_park+0x100/0x100 [ 407.726622] ret_from_fork+0x24/0x30 [ 407.731805] kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 407.745742] Bluetooth: hci5: failed to register connection device [ 407.753416] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 407.762731] CPU: 1 PID: 8103 Comm: kworker/u5:2 Not tainted 4.19.170-syzkaller #0 [ 407.771526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.781283] Workqueue: hci5 hci_rx_work [ 407.785345] Call Trace: [ 407.788065] dump_stack+0x17c/0x226 [ 407.793139] sysfs_warn_dup.cold.0+0x17/0x26 [ 407.798247] sysfs_create_dir_ns+0x1c2/0x270 [ 407.803076] ? sysfs_create_mount_point+0x80/0x80 [ 407.809153] ? lock_downgrade+0x860/0x860 [ 407.813398] ? do_raw_spin_unlock+0x177/0x260 [ 407.818429] kobject_add_internal+0x257/0x8d0 [ 407.823344] kobject_add+0x10f/0x170 [ 407.827148] ? kset_create_and_add+0x160/0x160 [ 407.832565] ? __lockdep_init_map+0x105/0x590 [ 407.837393] ? get_device+0x20/0x20 [ 407.841323] ? lockdep_init_map+0x9/0x10 [ 407.845970] ? __raw_spin_lock_init+0x2d/0x100 [ 407.851137] device_add+0x33e/0x16b0 [ 407.855670] ? _dev_warn+0x100/0x100 [ 407.859614] ? hci_sync_conn_complete_evt.isra.112+0x169/0xa50 [ 407.866080] ? lock_downgrade+0x860/0x860 [ 407.870502] hci_conn_add_sysfs+0x8e/0x160 [ 407.875075] hci_sync_conn_complete_evt.isra.112+0x8bc/0xa50 [ 407.881332] hci_event_packet+0x1a08/0x6840 [ 407.886235] ? mark_held_locks+0x130/0x130 [ 407.891215] ? __lock_acquire+0x764/0x47c0 [ 407.895904] ? hci_loglink_complete_evt.isra.127+0x700/0x700 [ 407.902453] ? mark_held_locks+0xc7/0x130 [ 407.908077] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.913537] ? skb_dequeue+0x14d/0x1f0 [ 407.918316] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.923225] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.928539] ? trace_hardirqs_on+0x28/0x190 [ 407.933336] ? kasan_check_read+0x11/0x20 [ 407.938581] hci_rx_work+0x33e/0xa60 [ 407.942349] process_one_work+0x7b9/0x15a0 [ 407.946983] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 407.952076] ? lock_acquire+0x180/0x3a0 [ 407.956310] ? kasan_check_write+0x14/0x20 [ 407.960870] ? do_raw_spin_lock+0xd0/0x240 [ 407.965116] worker_thread+0x85/0xb60 [ 407.969001] ? __kthread_parkme+0x37/0x1c0 [ 407.973573] kthread+0x347/0x410 [ 407.977355] ? process_one_work+0x15a0/0x15a0 [ 407.982487] ? kthread_park+0x100/0x100 [ 407.986872] ret_from_fork+0x24/0x30 [ 407.991710] kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 408.004767] Bluetooth: hci5: failed to register connection device [ 408.012215] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 408.026945] CPU: 1 PID: 8103 Comm: kworker/u5:2 Not tainted 4.19.170-syzkaller #0 [ 408.034861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.045006] Workqueue: hci5 hci_rx_work [ 408.049443] Call Trace: [ 408.052216] dump_stack+0x17c/0x226 [ 408.056532] sysfs_warn_dup.cold.0+0x17/0x26 [ 408.061136] sysfs_create_dir_ns+0x1c2/0x270 [ 408.065822] ? sysfs_create_mount_point+0x80/0x80 [ 408.070759] ? lock_downgrade+0x860/0x860 [ 408.074915] ? do_raw_spin_unlock+0x177/0x260 [ 408.079826] kobject_add_internal+0x257/0x8d0 [ 408.084344] kobject_add+0x10f/0x170 [ 408.088185] ? kset_create_and_add+0x160/0x160 [ 408.093443] ? __lockdep_init_map+0x105/0x590 [ 408.098303] ? get_device+0x20/0x20 [ 408.102386] ? lockdep_init_map+0x9/0x10 [ 408.106671] ? __raw_spin_lock_init+0x2d/0x100 [ 408.112228] device_add+0x33e/0x16b0 [ 408.116084] ? _dev_warn+0x100/0x100 [ 408.120319] ? hci_sync_conn_complete_evt.isra.112+0x169/0xa50 [ 408.126971] ? lock_downgrade+0x860/0x860 [ 408.131627] hci_conn_add_sysfs+0x8e/0x160 [ 408.136059] hci_sync_conn_complete_evt.isra.112+0x8bc/0xa50 [ 408.142878] hci_event_packet+0x1a08/0x6840 [ 408.147932] ? mark_held_locks+0x130/0x130 [ 408.152168] ? __lock_acquire+0x764/0x47c0 [ 408.156801] ? hci_loglink_complete_evt.isra.127+0x700/0x700 [ 408.162970] ? mark_held_locks+0xc7/0x130 [ 408.167775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.173118] ? skb_dequeue+0x14d/0x1f0 [ 408.177341] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 408.182904] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.188357] ? trace_hardirqs_on+0x28/0x190 [ 408.193242] ? kasan_check_read+0x11/0x20 [ 408.197660] hci_rx_work+0x33e/0xa60 [ 408.201732] process_one_work+0x7b9/0x15a0 [ 408.206368] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 408.211663] ? lock_acquire+0x180/0x3a0 [ 408.216306] ? kasan_check_write+0x14/0x20 [ 408.220920] ? do_raw_spin_lock+0xd0/0x240 [ 408.225434] worker_thread+0x85/0xb60 [ 408.229492] ? __kthread_parkme+0x37/0x1c0 [ 408.233897] kthread+0x347/0x410 [ 408.237604] ? process_one_work+0x15a0/0x15a0 [ 408.242457] ? kthread_park+0x100/0x100 [ 408.247075] ret_from_fork+0x24/0x30 [ 408.253792] kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 408.266907] Bluetooth: hci5: failed to register connection device [ 408.284810] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 408.298678] CPU: 1 PID: 8103 Comm: kworker/u5:2 Not tainted 4.19.170-syzkaller #0 [ 408.306703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.316593] Workqueue: hci5 hci_rx_work [ 408.320670] Call Trace: [ 408.323387] dump_stack+0x17c/0x226 [ 408.327284] sysfs_warn_dup.cold.0+0x17/0x26 [ 408.331896] sysfs_create_dir_ns+0x1c2/0x270 [ 408.336849] ? sysfs_create_mount_point+0x80/0x80 [ 408.342233] ? lock_downgrade+0x860/0x860 [ 408.346761] ? do_raw_spin_unlock+0x177/0x260 [ 408.351366] kobject_add_internal+0x257/0x8d0 [ 408.356144] kobject_add+0x10f/0x170 [ 408.360129] ? kset_create_and_add+0x160/0x160 [ 408.365236] ? __lockdep_init_map+0x105/0x590 [ 408.369855] ? get_device+0x20/0x20 [ 408.373583] ? lockdep_init_map+0x9/0x10 [ 408.377787] ? __raw_spin_lock_init+0x2d/0x100 [ 408.382633] device_add+0x33e/0x16b0 [ 408.386639] ? _dev_warn+0x100/0x100 [ 408.390536] ? hci_sync_conn_complete_evt.isra.112+0x169/0xa50 [ 408.397034] ? lock_downgrade+0x860/0x860 [ 408.401653] hci_conn_add_sysfs+0x8e/0x160 [ 408.405982] hci_sync_conn_complete_evt.isra.112+0x8bc/0xa50 [ 408.411893] hci_event_packet+0x1a08/0x6840 [ 408.416221] ? mark_held_locks+0x130/0x130 [ 408.420964] ? __lock_acquire+0x764/0x47c0 [ 408.425329] ? hci_loglink_complete_evt.isra.127+0x700/0x700 [ 408.431701] ? mark_held_locks+0xc7/0x130 [ 408.436033] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.441346] ? skb_dequeue+0x14d/0x1f0 [ 408.445654] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 408.450859] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.456372] ? trace_hardirqs_on+0x28/0x190 [ 408.461283] ? kasan_check_read+0x11/0x20 [ 408.465816] hci_rx_work+0x33e/0xa60 [ 408.470349] process_one_work+0x7b9/0x15a0 [ 408.475055] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 408.479998] ? lock_acquire+0x180/0x3a0 [ 408.484154] ? kasan_check_write+0x14/0x20 [ 408.488946] ? do_raw_spin_lock+0xd0/0x240 [ 408.493273] worker_thread+0x85/0xb60 [ 408.497328] ? __kthread_parkme+0x37/0x1c0 [ 408.501973] kthread+0x347/0x410 [ 408.505549] ? process_one_work+0x15a0/0x15a0 [ 408.510815] ? kthread_park+0x100/0x100 [ 408.515140] ret_from_fork+0x24/0x30 [ 408.521527] kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 408.535458] Bluetooth: hci5: failed to register connection device [ 408.542145] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 408.551775] CPU: 1 PID: 8103 Comm: kworker/u5:2 Not tainted 4.19.170-syzkaller #0 [ 408.560088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.570387] Workqueue: hci5 hci_rx_work [ 408.574792] Call Trace: [ 408.577669] dump_stack+0x17c/0x226 [ 408.581642] sysfs_warn_dup.cold.0+0x17/0x26 [ 408.587336] sysfs_create_dir_ns+0x1c2/0x270 [ 408.592236] ? sysfs_create_mount_point+0x80/0x80 [ 408.597391] ? lock_downgrade+0x860/0x860 [ 408.601799] ? do_raw_spin_unlock+0x177/0x260 [ 408.606997] kobject_add_internal+0x257/0x8d0 [ 408.611830] kobject_add+0x10f/0x170 [ 408.615637] ? kset_create_and_add+0x160/0x160 [ 408.620464] ? __lockdep_init_map+0x105/0x590 [ 408.625130] ? get_device+0x20/0x20 [ 408.629212] ? lockdep_init_map+0x9/0x10 [ 408.633705] ? __raw_spin_lock_init+0x2d/0x100 [ 408.638476] device_add+0x33e/0x16b0 [ 408.642426] ? _dev_warn+0x100/0x100 [ 408.646361] ? hci_sync_conn_complete_evt.isra.112+0x169/0xa50 [ 408.652420] ? lock_downgrade+0x860/0x860 [ 408.657008] hci_conn_add_sysfs+0x8e/0x160 [ 408.661589] hci_sync_conn_complete_evt.isra.112+0x8bc/0xa50 [ 408.667943] hci_event_packet+0x1a08/0x6840 [ 408.672779] ? mark_held_locks+0x130/0x130 [ 408.677193] ? __lock_acquire+0x764/0x47c0 [ 408.681426] ? hci_loglink_complete_evt.isra.127+0x700/0x700 [ 408.687531] ? mark_held_locks+0xc7/0x130 [ 408.691872] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.697848] ? skb_dequeue+0x14d/0x1f0 [ 408.701885] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 408.706906] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.712317] ? trace_hardirqs_on+0x28/0x190 [ 408.716898] ? kasan_check_read+0x11/0x20 [ 408.721298] hci_rx_work+0x33e/0xa60 [ 408.725202] process_one_work+0x7b9/0x15a0 [ 408.729789] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 408.734621] ? lock_acquire+0x180/0x3a0 [ 408.738846] ? kasan_check_write+0x14/0x20 [ 408.743451] ? do_raw_spin_lock+0xd0/0x240 [ 408.748507] worker_thread+0x85/0xb60 [ 408.752388] ? __kthread_parkme+0x37/0x1c0 [ 408.756737] kthread+0x347/0x410 [ 408.760388] ? process_one_work+0x15a0/0x15a0 [ 408.765929] ? kthread_park+0x100/0x100 [ 408.770477] ret_from_fork+0x24/0x30 [ 408.781084] kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 408.794721] Bluetooth: hci5: failed to register connection device [ 408.803187] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 408.813324] CPU: 1 PID: 8103 Comm: kworker/u5:2 Not tainted 4.19.170-syzkaller #0 [ 408.821415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.831137] Workqueue: hci5 hci_rx_work [ 408.835490] Call Trace: [ 408.838344] dump_stack+0x17c/0x226 [ 408.842242] sysfs_warn_dup.cold.0+0x17/0x26 [ 408.846930] sysfs_create_dir_ns+0x1c2/0x270 [ 408.852112] ? sysfs_create_mount_point+0x80/0x80 [ 408.857834] ? lock_downgrade+0x860/0x860 [ 408.863304] ? do_raw_spin_unlock+0x177/0x260 [ 408.867967] kobject_add_internal+0x257/0x8d0 [ 408.872739] kobject_add+0x10f/0x170 [ 408.876553] ? kset_create_and_add+0x160/0x160 [ 408.881315] ? __lockdep_init_map+0x105/0x590 [ 408.886294] ? get_device+0x20/0x20 [ 408.890395] ? lockdep_init_map+0x9/0x10 [ 408.895214] ? __raw_spin_lock_init+0x2d/0x100 [ 408.900212] device_add+0x33e/0x16b0 [ 408.904025] ? _dev_warn+0x100/0x100 [ 408.908233] ? hci_sync_conn_complete_evt.isra.112+0x169/0xa50 [ 408.914829] ? lock_downgrade+0x860/0x860 [ 408.919514] hci_conn_add_sysfs+0x8e/0x160 [ 408.924138] hci_sync_conn_complete_evt.isra.112+0x8bc/0xa50 [ 408.930977] hci_event_packet+0x1a08/0x6840 [ 408.935946] ? mark_held_locks+0x130/0x130 [ 408.941021] ? __lock_acquire+0x764/0x47c0 [ 408.946103] ? hci_loglink_complete_evt.isra.127+0x700/0x700 [ 408.952737] ? mark_held_locks+0xc7/0x130 [ 408.957993] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.964085] ? skb_dequeue+0x14d/0x1f0 [ 408.968647] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 408.973620] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.979753] ? trace_hardirqs_on+0x28/0x190 [ 408.985287] ? kasan_check_read+0x11/0x20 [ 408.991496] hci_rx_work+0x33e/0xa60 [ 408.995563] process_one_work+0x7b9/0x15a0 [ 409.001369] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 409.006149] ? lock_acquire+0x180/0x3a0 [ 409.010405] ? kasan_check_write+0x14/0x20 [ 409.015146] ? do_raw_spin_lock+0xd0/0x240 [ 409.019785] worker_thread+0x85/0xb60 [ 409.023756] ? __kthread_parkme+0x37/0x1c0 [ 409.028654] kthread+0x347/0x410 [ 409.032163] ? process_one_work+0x15a0/0x15a0 [ 409.037879] ? kthread_park+0x100/0x100 [ 409.042809] ret_from_fork+0x24/0x30 [ 409.078954] kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 409.095511] Bluetooth: hci5: failed to register connection device [ 409.105611] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci5/hci5:0' [ 409.115265] CPU: 1 PID: 8103 Comm: kworker/u5:2 Not tainted 4.19.170-syzkaller #0 [ 409.123883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.134253] Workqueue: hci5 hci_rx_work [ 409.139052] Call Trace: [ 409.141752] dump_stack+0x17c/0x226 [ 409.145741] sysfs_warn_dup.cold.0+0x17/0x26 [ 409.150250] sysfs_create_dir_ns+0x1c2/0x270 [ 409.155329] ? sysfs_create_mount_point+0x80/0x80 [ 409.160452] ? lock_downgrade+0x860/0x860 [ 409.164887] ? do_raw_spin_unlock+0x177/0x260 [ 409.169736] kobject_add_internal+0x257/0x8d0 [ 409.174732] kobject_add+0x10f/0x170 [ 409.178566] ? kset_create_and_add+0x160/0x160 [ 409.184697] ? __lockdep_init_map+0x105/0x590 [ 409.189808] ? get_device+0x20/0x20 [ 409.194531] ? lockdep_init_map+0x9/0x10 [ 409.199821] ? __raw_spin_lock_init+0x2d/0x100 [ 409.204935] device_add+0x33e/0x16b0 [ 409.208925] ? _dev_warn+0x100/0x100 [ 409.212921] ? hci_sync_conn_complete_evt.isra.112+0x169/0xa50 [ 409.220117] ? lock_downgrade+0x860/0x860 [ 409.224740] hci_conn_add_sysfs+0x8e/0x160 [ 409.229511] hci_sync_conn_complete_evt.isra.112+0x8bc/0xa50 [ 409.235898] hci_event_packet+0x1a08/0x6840 [ 409.240838] ? mark_held_locks+0x130/0x130 [ 409.245598] ? __lock_acquire+0x764/0x47c0 [ 409.249928] ? hci_loglink_complete_evt.isra.127+0x700/0x700 [ 409.256656] ? mark_held_locks+0xc7/0x130 [ 409.261068] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.266959] ? skb_dequeue+0x14d/0x1f0 [ 409.271161] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.276858] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.282569] ? trace_hardirqs_on+0x28/0x190 [ 409.287441] ? kasan_check_read+0x11/0x20 [ 409.291924] hci_rx_work+0x33e/0xa60 [ 409.296727] process_one_work+0x7b9/0x15a0 [ 409.301729] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 409.306932] ? lock_acquire+0x180/0x3a0 [ 409.311498] ? kasan_check_write+0x14/0x20 [ 409.317026] ? do_raw_spin_lock+0xd0/0x240 [ 409.321547] worker_thread+0x85/0xb60 [ 409.325693] ? __kthread_parkme+0x37/0x1c0 [ 409.330752] kthread+0x347/0x410 [ 409.334546] ? process_one_work+0x15a0/0x15a0 [ 409.339761] ? kthread_park+0x100/0x100 [ 409.343846] ret_from_fork+0x24/0x30 [ 409.352393] kobject_add_internal failed for hci5:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 409.366290] Bluetooth: hci5: failed to register connection device [ 409.381542] kasan: CONFIG_KASAN_INLINE enabled [ 409.386689] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 409.398258] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 409.407398] CPU: 0 PID: 29003 Comm: syz-executor.1 Not tainted 4.19.170-syzkaller #0 [ 409.417680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.430008] RIP: 0010:klist_next+0x48/0x450 [ 409.435852] Code: 48 89 fb 48 83 ec 18 80 3c 02 00 0f 85 e1 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 8d 7c 24 50 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b4 02 00 00 4c 8d 6b 08 4d 8b 7c 24 50 48 b8 00 [ 409.460829] RSP: 0018:ffff8880a858f690 EFLAGS: 00010206 [ 409.467317] RAX: dffffc0000000000 RBX: ffff8880a858f710 RCX: ffffffff87a16f48 [ 409.476013] RDX: 000000000000000a RSI: ffff8880a858f710 RDI: 0000000000000050 [ 409.484124] RBP: ffff8880a858f6d0 R08: fffffbfff1330192 R09: fffffbfff1330191 [ 409.495335] R10: fffffbfff1330191 R11: ffffffff89980c8f R12: 0000000000000000 [ 409.504319] R13: 0000000000000000 R14: ffffffff86d6b300 R15: dffffc0000000000 [ 409.513972] FS: 00007f4df8075700(0000) GS:ffff8880ba200000(0000) knlGS:0000000000000000 [ 409.525224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 409.532029] CR2: 00007f133ddd6358 CR3: 000000009c9a3000 CR4: 00000000001406f0 [ 409.539939] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 409.547826] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 409.556485] Call Trace: [ 409.559704] ? synchronize_rcu_expedited+0xb0/0xb0 [ 409.565618] ? bt_link_release+0x20/0x20 [ 409.571376] device_find_child+0xb1/0x170 [ 409.577760] ? device_for_each_child+0x140/0x140 [ 409.583908] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.590015] ? trace_hardirqs_on+0x28/0x190 [ 409.597468] ? bt_link_release+0x20/0x20 [ 409.603759] hci_conn_del_sysfs+0xaa/0x150 [ 409.609475] hci_conn_cleanup+0x1ff/0x4e0 [ 409.614636] hci_conn_del+0x22c/0x6b0 [ 409.619327] hci_conn_hash_flush+0x171/0x230 [ 409.627414] hci_dev_do_close+0x57e/0xe10 [ 409.634319] ? lock_downgrade+0x860/0x860 [ 409.639402] ? hci_dev_open+0x200/0x200 [ 409.644359] ? kasan_check_write+0x14/0x20 [ 409.649037] hci_unregister_dev+0x167/0x890 [ 409.654341] vhci_release+0x6b/0xe0 [ 409.659075] __fput+0x249/0x7f0 [ 409.663598] ____fput+0x9/0x10 [ 409.667929] task_work_run+0x108/0x180 [ 409.674116] do_exit+0xa8e/0x2e00 [ 409.678256] ? mm_update_next_owner+0x680/0x680 [ 409.683947] ? get_signal+0x2b7/0x1970 [ 409.688789] ? _raw_spin_unlock_irq+0x27/0x90 [ 409.693799] ? get_signal+0x2b7/0x1970 [ 409.698830] do_group_exit+0xf8/0x2c0 [ 409.704702] get_signal+0x308/0x1970 [ 409.708794] ? release_sock+0x11f/0x180 [ 409.715046] ? __local_bh_enable_ip+0x160/0x250 [ 409.720257] do_signal+0x87/0x1860 [ 409.725582] ? kasan_check_write+0x14/0x20 [ 409.730286] ? fput+0x18/0x120 [ 409.734125] ? __sys_connect+0x249/0x2d0 [ 409.738933] ? setup_sigcontext+0x7d0/0x7d0 [ 409.744190] ? kasan_check_read+0x11/0x20 [ 409.750226] ? _copy_to_user+0x91/0xb0 [ 409.755631] ? put_timespec64+0xa9/0x100 [ 409.760061] ? __se_compat_sys_gettimeofday+0x130/0x130 [ 409.767306] ? exit_to_usermode_loop+0x3a/0x1e0 [ 409.774154] ? do_syscall_64+0x413/0x4e0 [ 409.779724] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.786336] ? exit_to_usermode_loop+0x3a/0x1e0 [ 409.791716] ? trace_hardirqs_on+0x28/0x190 [ 409.797157] exit_to_usermode_loop+0x159/0x1e0 [ 409.802770] do_syscall_64+0x413/0x4e0 [ 409.807535] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.813474] RIP: 0033:0x45e229 [ 409.817264] Code: Bad RIP value. [ 409.821163] RSP: 002b:00007f4df8074c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 409.831402] RAX: fffffffffffffff0 RBX: 0000000000000003 RCX: 000000000045e229 [ 409.840784] RDX: 0000000000000008 RSI: 0000000020000140 RDI: 0000000000000004 [ 409.849892] RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 409.860755] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c [ 409.869144] R13: 00007ffdf485dcdf R14: 00007f4df80759c0 R15: 000000000119bf8c [ 409.878304] Modules linked in: [ 409.887134] ---[ end trace aa108df087055798 ]--- [ 409.899919] RIP: 0010:klist_next+0x48/0x450 [ 409.906281] Code: 48 89 fb 48 83 ec 18 80 3c 02 00 0f 85 e1 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 23 49 8d 7c 24 50 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b4 02 00 00 4c 8d 6b 08 4d 8b 7c 24 50 48 b8 00 [ 409.929358] RSP: 0018:ffff8880a858f690 EFLAGS: 00010206 [ 409.938052] RAX: dffffc0000000000 RBX: ffff8880a858f710 RCX: ffffffff87a16f48 [ 409.949275] RDX: 000000000000000a RSI: ffff8880a858f710 RDI: 0000000000000050 [ 409.960057] RBP: ffff8880a858f6d0 R08: fffffbfff1330192 R09: fffffbfff1330191 [ 409.970552] R10: fffffbfff1330191 R11: ffffffff89980c8f R12: 0000000000000000 [ 409.981057] R13: 0000000000000000 R14: ffffffff86d6b300 R15: dffffc0000000000 [ 409.994526] FS: 00007f4df8075700(0000) GS:ffff8880ba200000(0000) knlGS:0000000000000000 [ 410.009075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 410.016862] CR2: 000000000045e1ff CR3: 000000009c9a3000 CR4: 00000000001406f0 [ 410.025665] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 410.034923] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 410.043731] Kernel panic - not syncing: Fatal exception [ 410.053086] Kernel Offset: disabled [ 410.057642] Rebooting in 86400 seconds..