Bluetooth: hci6: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci1: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
INFO: task syz-executor.1:3961 blocked for more than 143 seconds.
      Not tainted 5.10.240 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:28600 pid: 3961 ppid:   287 flags:0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3799 [inline]
 __schedule+0x824/0x1ea0 kernel/sched/core.c:4547
 schedule+0xcb/0x270 kernel/sched/core.c:4625
 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4684
 __mutex_lock_common kernel/locking/mutex.c:1047 [inline]
 __mutex_lock+0x7a8/0x10b0 kernel/locking/mutex.c:1109
 mutex_lock_double kernel/events/core.c:11724 [inline]
 __perf_event_ctx_lock_double kernel/events/core.c:11868 [inline]
 __do_sys_perf_event_open+0x1244/0x2e60 kernel/events/core.c:12141
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x67/0xd1
RIP: 0033:0x7f6dfca9db19
RSP: 002b:00007f6df9ff2188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f6dfcbb1020 RCX: 00007f6dfca9db19
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000020001d80
RBP: 00007f6dfcaf7f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc51c8846f R14: 00007f6df9ff2300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84ff9960 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x27b kernel/locking/lockdep.c:6410
1 lock held by in:imklog/177:
3 locks held by syz-executor.1/3961:
 #0: ffff8880488785d8 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0xfc1/0x2e60 kernel/events/core.c:12123
 #1: ffff88800fd440b0 (&ctx->mutex){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11723 [inline]
 #1: ffff88800fd440b0 (&ctx->mutex){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11868 [inline]
 #1: ffff88800fd440b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1237/0x2e60 kernel/events/core.c:12141
 #2: ffff88800fd440b0 (&ctx->mutex/1){+.+.}-{3:3}, at: mutex_lock_double kernel/events/core.c:11724 [inline]
 #2: ffff88800fd440b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __perf_event_ctx_lock_double kernel/events/core.c:11868 [inline]
 #2: ffff88800fd440b0 (&ctx->mutex/1){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x1244/0x2e60 kernel/events/core.c:12141

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