INFO: task kworker/u5:0:45 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u5:0    state:D stack:    0 pid:   45 ppid:     2 flags:0x00000008
Workqueue: hci0 hci_error_reset

Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:557
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0x414/0x5a0 kernel/sched/core.c:6494
 schedule+0x64/0xa4 kernel/sched/core.c:6570
 schedule_timeout+0x64/0x1b4 kernel/time/timer.c:1911
 do_wait_for_common+0xf4/0x184 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x48/0x60 kernel/sched/completion.c:138
 __flush_work+0xd4/0x144 kernel/workqueue.c:3073
 flush_work+0x24/0x38 kernel/workqueue.c:3094
 hci_dev_close_sync+0xf4/0x9e0 net/bluetooth/hci_sync.c:4438
 hci_dev_do_close net/bluetooth/hci_core.c:554 [inline]
 hci_error_reset+0xac/0x154 net/bluetooth/hci_core.c:1050
 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289
 worker_thread+0x340/0x610 kernel/workqueue.c:2436
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
 #0: 
ffff80000d433568
 (
rcu_tasks.tasks_gp_mutex
){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
 #0: 
ffff80000d433bb8
 (
rcu_tasks_trace.tasks_gp_mutex
){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
 #0: 
ffff80000d433440
 (
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:279
3 locks held by kworker/u5:0/45:
 #0: 
ffff0000c62a2938
 (
(wq_completion)hci0
){+.+.}-{0:0}
, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262
 #1: 
ffff80000f65bd80
 (
(work_completion)(&hdev->error_reset)
){+.+.}-{0:0}
, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264
 #2: 
ffff0000caad6fd0
 (
&hdev->req_lock
){+.+.}-{3:3}
, at: hci_dev_do_close net/bluetooth/hci_core.c:552 [inline]
, at: hci_error_reset+0xa4/0x154 net/bluetooth/hci_core.c:1050
2 locks held by getty/2713:
 #0: 
ffff0000c02a5098
 (
&tty->ldisc_sem
){++++}-{0:0}
, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: 
ffff80000f6162f0
 (
&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177
6 locks held by kworker/u5:1/3087:

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