INFO: task syz-executor.5:12675 blocked for more than 140 seconds.
      Not tainted 4.14.305-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5  D29568 12675      1 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2811 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3386
Bluetooth: hci7 command 0x0409 tx timeout
Bluetooth: hci9 command 0x0409 tx timeout