INFO: task syz-executor:6574 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:6574  tgid:6574  ppid:1      task_flags:0x400140 flags:0x00000001
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:742 (T)
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1250/0x2a7c kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7017
 __mutex_lock_common+0xd04/0x2678 kernel/locking/mutex.c:692
 __mutex_lock kernel/locking/mutex.c:776 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:828
 cgroup_lock include/linux/cgroup.h:394 [inline]
 cgroup_kn_lock_live+0x150/0x230 kernel/cgroup/cgroup.c:1735
 __cgroup_procs_write+0x80/0x2a0 kernel/cgroup/cgroup.c:5370
 cgroup_procs_write+0x34/0x60 kernel/cgroup/cgroup.c:5409
 cgroup_file_write+0x2fc/0x630 kernel/cgroup/cgroup.c:4312