Bluetooth: hci6: command 0x041b tx timeout
Bluetooth: hci9: command 0x041b tx timeout
Bluetooth: hci8: command 0x040f tx timeout
Bluetooth: hci10: command 0x041b tx timeout
Bluetooth: hci7: command 0x040f tx timeout
INFO: task syz-executor.2:26367 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
Bluetooth: hci6: command 0x040f tx timeout
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2  D24512 26367   8158 0x00000004
Bluetooth: hci8: command 0x0419 tx timeout
Bluetooth: hci9: command 0x040f tx timeout
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
Bluetooth: hci10: command 0x040f tx timeout
Bluetooth: hci7: command 0x0419 tx timeout
Bluetooth: hci6: command 0x0419 tx timeout
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
Bluetooth: hci9: command 0x0419 tx timeout
Bluetooth: hci10: command 0x0419 tx timeout
 __mutex_lock_common kernel/locking/mutex.c:1016 [inline]
 __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
 ieee80211_register_hw+0x170a/0x3550 net/mac80211/main.c:1161