Warning: Permanently added '10.128.0.149' (ECDSA) to the list of known hosts. syzkaller login: [ 62.244730][ T3572] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 62.254352][ T3572] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 62.263665][ T3572] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 62.266514][ T3573] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 62.272297][ T3572] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 62.278578][ T3573] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 62.286231][ T3572] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 62.293178][ T3573] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 62.300895][ T3572] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 62.313915][ T3572] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 62.313915][ T3573] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 62.314398][ T3572] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 62.322093][ T3573] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 62.329882][ T3572] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 62.335700][ T3573] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 62.342653][ T3572] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 62.349563][ T3573] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 62.358565][ T3572] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 62.363995][ T3573] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 62.370373][ T3572] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 62.377170][ T3573] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 62.385583][ T3572] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 62.391061][ T3573] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 62.398721][ T3572] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 62.405650][ T3573] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 62.412161][ T3572] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 62.419470][ T3574] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 62.427493][ T3572] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 62.434357][ T3574] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 62.440713][ T3572] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 62.449713][ T3574] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 62.454871][ T3572] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 62.462758][ T3574] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 62.477614][ T3567] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 62.485685][ T3574] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 62.548295][ T3574] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 64.495516][ T3576] Bluetooth: hci4: command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 64.574951][ T3576] Bluetooth: hci2: command 0x0409 tx timeout [ 64.581377][ T3576] Bluetooth: hci3: command 0x0409 tx timeout [ 64.589248][ T3558] Bluetooth: hci0: command 0x0409 tx timeout [ 64.594987][ T3573] Bluetooth: hci5: command 0x0409 tx timeout [ 64.595551][ T3558] Bluetooth: hci1: command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 66.574776][ T3558] Bluetooth: hci4: command 0x041b tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 66.654924][ T3558] Bluetooth: hci3: command 0x041b tx timeout [ 66.655738][ T3576] Bluetooth: hci5: command 0x041b tx timeout [ 66.660976][ T3558] Bluetooth: hci1: command 0x041b tx timeout [ 66.667322][ T3572] Bluetooth: hci0: command 0x041b tx timeout [ 66.672995][ T3558] Bluetooth: hci2: command 0x041b tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 67.646298][ T3578] [ 67.648697][ T3578] ====================================================== [ 67.655747][ T3578] WARNING: possible circular locking dependency detected [ 67.662800][ T3578] 6.1.29-syzkaller #0 Not tainted [ 67.667828][ T3578] ------------------------------------------------------ [ 67.674871][ T3578] syz-executor872/3578 is trying to acquire lock: [ 67.681281][ T3578] ffff88806f418130 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x57/0x300 [ 67.692804][ T3578] [ 67.692804][ T3578] but task is already holding lock: [ 67.700194][ T3578] ffff888013694128 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x259/0x6d0 [ 67.709103][ T3578] [ 67.709103][ T3578] which lock already depends on the new lock. [ 67.709103][ T3578] [ 67.719527][ T3578] [ 67.719527][ T3578] the existing dependency chain (in reverse order) is: [ 67.728547][ T3578] [ 67.728547][ T3578] -> #3 (&d->lock){+.+.}-{3:3}: [ 67.735596][ T3578] lock_acquire+0x1f8/0x5a0 [ 67.740710][ T3578] __mutex_lock_common+0x1d4/0x2520 [ 67.746439][ T3578] mutex_lock_nested+0x17/0x20 [ 67.751737][ T3578] __rfcomm_dlc_close+0x259/0x6d0 [ 67.757300][ T3578] rfcomm_dlc_close+0xed/0x180 [ 67.762585][ T3578] __rfcomm_sock_close+0x104/0x220 [ 67.768233][ T3578] rfcomm_sock_shutdown+0xb4/0x230 [ 67.773883][ T3578] rfcomm_sock_release+0x55/0x110 [ 67.779436][ T3578] sock_close+0xcd/0x230 [ 67.784207][ T3578] __fput+0x3b7/0x890 [ 67.788714][ T3578] task_work_run+0x246/0x300 [ 67.793835][ T3578] do_exit+0x6fb/0x2300 [ 67.798524][ T3578] do_group_exit+0x202/0x2b0 [ 67.803642][ T3578] get_signal+0x16f7/0x17d0 [ 67.808860][ T3578] arch_do_signal_or_restart+0xb0/0x1a10 [ 67.815022][ T3578] exit_to_user_mode_loop+0x6a/0x100 [ 67.820853][ T3578] exit_to_user_mode_prepare+0xb1/0x140 [ 67.826939][ T3578] syscall_exit_to_user_mode+0x60/0x270 [ 67.833020][ T3578] do_syscall_64+0x49/0xb0 [ 67.837962][ T3578] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.844377][ T3578] [ 67.844377][ T3578] -> #2 (rfcomm_mutex){+.+.}-{3:3}: [ 67.851764][ T3578] lock_acquire+0x1f8/0x5a0 [ 67.856790][ T3578] __mutex_lock_common+0x1d4/0x2520 [ 67.862527][ T3578] mutex_lock_nested+0x17/0x20 [ 67.867816][ T3578] rfcomm_dlc_exists+0xa2/0x370 [ 67.873186][ T3578] rfcomm_dev_ioctl+0xb2d/0x2180 [ 67.878650][ T3578] rfcomm_sock_ioctl+0x82/0xc0 [ 67.883937][ T3578] sock_do_ioctl+0x152/0x450 [ 67.889072][ T3578] sock_ioctl+0x47f/0x770 [ 67.893941][ T3578] __se_sys_ioctl+0xf1/0x160 [ 67.899049][ T3578] do_syscall_64+0x3d/0xb0 [ 67.904003][ T3578] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.910420][ T3578] [ 67.910420][ T3578] -> #1 (rfcomm_ioctl_mutex){+.+.}-{3:3}: [ 67.918330][ T3578] lock_acquire+0x1f8/0x5a0 [ 67.923382][ T3578] __mutex_lock_common+0x1d4/0x2520 [ 67.929125][ T3578] mutex_lock_nested+0x17/0x20 [ 67.934419][ T3578] rfcomm_dev_ioctl+0x233/0x2180 [ 67.939882][ T3578] rfcomm_sock_ioctl+0x82/0xc0 [ 67.945173][ T3578] sock_do_ioctl+0x152/0x450 [ 67.950294][ T3578] sock_ioctl+0x47f/0x770 [ 67.955153][ T3578] __se_sys_ioctl+0xf1/0x160 [ 67.960266][ T3578] do_syscall_64+0x3d/0xb0 [ 67.965208][ T3578] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.971625][ T3578] [ 67.971625][ T3578] -> #0 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}: [ 67.981009][ T3578] validate_chain+0x1667/0x58e0 [ 67.986383][ T3578] __lock_acquire+0x125b/0x1f80 [ 67.991751][ T3578] lock_acquire+0x1f8/0x5a0 [ 67.996773][ T3578] lock_sock_nested+0x44/0x100 [ 68.002064][ T3578] rfcomm_sk_state_change+0x57/0x300 [ 68.007870][ T3578] __rfcomm_dlc_close+0x2b2/0x6d0 [ 68.013416][ T3578] rfcomm_dlc_close+0xed/0x180 [ 68.018700][ T3578] __rfcomm_sock_close+0x104/0x220 [ 68.024336][ T3578] rfcomm_sock_shutdown+0xb4/0x230 [ 68.029969][ T3578] rfcomm_sock_release+0x55/0x110 [ 68.035517][ T3578] sock_close+0xcd/0x230 [ 68.040290][ T3578] __fput+0x3b7/0x890 [ 68.044794][ T3578] task_work_run+0x246/0x300 [ 68.049908][ T3578] do_exit+0x6fb/0x2300 [ 68.054681][ T3578] do_group_exit+0x202/0x2b0 [ 68.059820][ T3578] get_signal+0x16f7/0x17d0 [ 68.064853][ T3578] arch_do_signal_or_restart+0xb0/0x1a10 [ 68.071009][ T3578] exit_to_user_mode_loop+0x6a/0x100 [ 68.076819][ T3578] exit_to_user_mode_prepare+0xb1/0x140 [ 68.082889][ T3578] syscall_exit_to_user_mode+0x60/0x270 [ 68.088969][ T3578] do_syscall_64+0x49/0xb0 [ 68.093909][ T3578] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 68.100327][ T3578] [ 68.100327][ T3578] other info that might help us debug this: [ 68.100327][ T3578] [ 68.110571][ T3578] Chain exists of: [ 68.110571][ T3578] sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM --> rfcomm_mutex --> &d->lock [ 68.110571][ T3578] [ 68.124483][ T3578] Possible unsafe locking scenario: [ 68.124483][ T3578] [ 68.131947][ T3578] CPU0 CPU1 [ 68.137307][ T3578] ---- ---- [ 68.142665][ T3578] lock(&d->lock); [ 68.146475][ T3578] lock(rfcomm_mutex); [ 68.153151][ T3578] lock(&d->lock); [ 68.159487][ T3578] lock(sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM); [ 68.165641][ T3578] [ 68.165641][ T3578] *** DEADLOCK *** [ 68.165641][ T3578] [ 68.173778][ T3578] 3 locks held by syz-executor872/3578: [ 68.179320][ T3578] #0: ffff88807315ca10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x98/0x230 [ 68.189536][ T3578] #1: ffffffff8e20da68 (rfcomm_mutex){+.+.}-{3:3}, at: rfcomm_dlc_close+0x37/0x180 [ 68.198940][ T3578] #2: ffff888013694128 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x259/0x6d0 [ 68.208252][ T3578] [ 68.208252][ T3578] stack backtrace: [ 68.214137][ T3578] CPU: 1 PID: 3578 Comm: syz-executor872 Not tainted 6.1.29-syzkaller #0 [ 68.222547][ T3578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 68.232613][ T3578] Call Trace: [ 68.235893][ T3578] [ 68.238837][ T3578] dump_stack_lvl+0x1e3/0x2cb [ 68.243529][ T3578] ? nf_tcp_handle_invalid+0x642/0x642 [ 68.248999][ T3578] ? print_circular_bug+0x12b/0x1a0 [ 68.254207][ T3578] check_noncircular+0x2fa/0x3b0 [ 68.259157][ T3578] ? add_chain_block+0x850/0x850 [ 68.264116][ T3578] ? lockdep_lock+0x11f/0x2a0 [ 68.268808][ T3578] ? _find_first_zero_bit+0xd0/0x100 [ 68.274105][ T3578] validate_chain+0x1667/0x58e0 [ 68.278967][ T3578] ? register_lock_class+0x100/0x990 [ 68.284265][ T3578] ? __lock_acquire+0x125b/0x1f80 [ 68.289295][ T3578] ? reacquire_held_locks+0x660/0x660 [ 68.294675][ T3578] ? mark_lock+0x9a/0x340 [ 68.299007][ T3578] ? __lock_acquire+0x125b/0x1f80 [ 68.304039][ T3578] ? mark_lock+0x9a/0x340 [ 68.308373][ T3578] __lock_acquire+0x125b/0x1f80 [ 68.313235][ T3578] lock_acquire+0x1f8/0x5a0 [ 68.317743][ T3578] ? rfcomm_sk_state_change+0x57/0x300 [ 68.323208][ T3578] ? trace_contention_end+0x61/0x170 [ 68.328509][ T3578] ? read_lock_is_recursive+0x10/0x10 [ 68.333899][ T3578] ? rcu_is_watching+0x11/0xb0 [ 68.338668][ T3578] ? detach_timer+0x17d/0x380 [ 68.343352][ T3578] ? __rfcomm_dlc_close+0x259/0x6d0 [ 68.348552][ T3578] ? del_timer+0x25c/0x2f0 [ 68.352984][ T3578] ? mutex_lock_io_nested+0x60/0x60 [ 68.358191][ T3578] lock_sock_nested+0x44/0x100 [ 68.362958][ T3578] ? rfcomm_sk_state_change+0x57/0x300 [ 68.368420][ T3578] rfcomm_sk_state_change+0x57/0x300 [ 68.373709][ T3578] __rfcomm_dlc_close+0x2b2/0x6d0 [ 68.378737][ T3578] rfcomm_dlc_close+0xed/0x180 [ 68.383508][ T3578] __rfcomm_sock_close+0x104/0x220 [ 68.388714][ T3578] rfcomm_sock_shutdown+0xb4/0x230 [ 68.393856][ T3578] rfcomm_sock_release+0x55/0x110 [ 68.398884][ T3578] sock_close+0xcd/0x230 [ 68.403138][ T3578] ? sock_mmap+0x90/0x90 [ 68.407393][ T3578] __fput+0x3b7/0x890 [ 68.411387][ T3578] task_work_run+0x246/0x300 [ 68.415987][ T3578] ? kasan_quarantine_put+0xd4/0x220 [ 68.421286][ T3578] ? task_work_cancel+0x2b0/0x2b0 [ 68.426322][ T3578] ? kmem_cache_free+0x292/0x510 [ 68.431265][ T3578] ? do_exit+0x6f6/0x2300 [ 68.435607][ T3578] do_exit+0x6fb/0x2300 [ 68.439777][ T3578] ? put_task_struct+0x80/0x80 [ 68.444568][ T3578] ? get_signal+0x137e/0x17d0 [ 68.449265][ T3578] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 68.455354][ T3578] ? print_irqtrace_events+0x210/0x210 [ 68.460813][ T3578] ? _raw_spin_lock_irq+0xdb/0x110 [ 68.465935][ T3578] do_group_exit+0x202/0x2b0 [ 68.470539][ T3578] ? _raw_spin_unlock_irq+0x1f/0x40 [ 68.475745][ T3578] ? lockdep_hardirqs_on+0x94/0x130 [ 68.480952][ T3578] get_signal+0x16f7/0x17d0 [ 68.485474][ T3578] ? ptrace_notify+0x370/0x370 [ 68.490252][ T3578] ? print_irqtrace_events+0x210/0x210 [ 68.495713][ T3578] ? rfcomm_sock_connect+0x400/0x600 [ 68.501013][ T3578] arch_do_signal_or_restart+0xb0/0x1a10 [ 68.506655][ T3578] ? __local_bh_enable_ip+0x164/0x1f0 [ 68.512034][ T3578] ? rfcomm_sock_connect+0x400/0x600 [ 68.517326][ T3578] ? _local_bh_enable+0xa0/0xa0 [ 68.522178][ T3578] ? do_raw_spin_unlock+0x137/0x8a0 [ 68.527386][ T3578] ? rfcomm_sock_connect+0x44d/0x600 [ 68.532679][ T3578] ? get_sigframe_size+0x10/0x10 [ 68.537621][ T3578] ? rfcomm_sock_bind+0x5a0/0x5a0 [ 68.542653][ T3578] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 68.548646][ T3578] ? exit_to_user_mode_loop+0x39/0x100 [ 68.554111][ T3578] exit_to_user_mode_loop+0x6a/0x100 [ 68.559434][ T3578] exit_to_user_mode_prepare+0xb1/0x140 [ 68.564994][ T3578] syscall_exit_to_user_mode+0x60/0x270 [ 68.570551][ T3578] do_syscall_64+0x49/0xb0 [ 68.574973][ T3578] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 68.580884][ T3578] RIP: 0033:0x7f93c7343589 [ 68.585302][ T3578] Code: Unable to access opcode bytes at 0x7f93c734355f. [ 68.592336][ T3578] RSP: 002b:00007ffd6e5b7828 EFLAGS: 00000246 ORIG_RAX: 000000000000002a executing program [ 68.600755][ T3578] RAX: fffffffffffffffc RBX: 00000000000f4240 RCX: 00007f93c7343589 [ 68.608732][ T3578] RDX: 000000000000000a RSI: 0000000020000000 RDI: 0000000000000004 [ 68.616707][ T3578] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 [ 68.624723][ T3578] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6e5b78d0 [ 68.632719][ T3578] R13: 00007ffd6e5b78a0 R14: 00007ffd6e5b7890 R15: 0000000000000003 [ 68.640749][ T3578] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 68.665175][ T3558] Bluetooth: hci4: command 0x040f tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 68.734714][ T3558] Bluetooth: hci0: command 0x040f tx timeout [ 68.740782][ T3558] Bluetooth: hci5: command 0x040f tx timeout [ 68.747398][ T3574] Bluetooth: hci1: command 0x040f tx timeout [ 68.747417][ T3576] Bluetooth: hci3: command 0x040f tx timeout [ 68.753432][ T3574] Bluetooth: hci2: command 0x040f tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 70.734712][ T3574] Bluetooth: hci4: command 0x0419 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 70.814802][ T3574] Bluetooth: hci3: command 0x0419 tx timeout [ 70.820898][ T3574] Bluetooth: hci2: command 0x0419 tx timeout [ 70.824676][ T3558] Bluetooth: hci1: command 0x0419 tx timeout [ 70.827953][ T3574] Bluetooth: hci5: command 0x0419 tx timeout [ 70.832894][ T3558] Bluetooth: hci0: command 0x0419 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 72.894798][ T3558] Bluetooth: hci3: command 0x0405 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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