INFO: task syz-executor.2:12054 blocked for more than 143 seconds.
      Not tainted 6.3.0-rc2-next-20230315 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:28896 pid:12054 ppid:272    flags:0x00000004
Call Trace:
 <TASK>
 __schedule+0x98d/0x2a70
 schedule+0xdb/0x1a0
 schedule_preempt_disabled+0x10/0x20
 __mutex_lock+0x9cd/0x14a0
 eventpoll_release_file+0xe1/0x1d0
 __fput+0x796/0xa40
 task_work_run+0x174/0x280
 exit_to_user_mode_prepare+0x17d/0x180
 syscall_exit_to_user_mode+0x1d/0x50
 do_syscall_64+0x4c/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f4ed8395b19
RSP: 002b:00007f4ed590b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: fffffffffffffff2 RBX: 00007f4ed84a8f60 RCX: 00007f4ed8395b19
RDX: 0000000000000001 RSI: 0000000020000d40 RDI: 0000000000000004
RBP: 00007f4ed83eff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe68e8ac7f R14: 00007f4ed590b300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffffffff85609930 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd30
1 lock held by khungtaskd/25:
 #0: ffffffff8560a480 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x390
1 lock held by in:imklog/168:
3 locks held by rs:main Q:Reg/169:
 #0: ffff88806ce39698 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1c9/0x2a70
 #1: ffff8880090a2db0 (&mm->cid_lock){....}-{2:2}, at: __schedule+0x1508/0x2a70
 #2: ffff888019660df0 (&sb->s_type->i_mutex_key#6){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x460
1 lock held by syz-executor.2/12052:
1 lock held by syz-executor.2/12054:
 #0: ffff888043535068 (&ep->mtx){+.+.}-{3:3}, at: eventpoll_release_file+0xe1/0x1d0

=============================================