INFO: task kworker/u4:10:4599 blocked for more than 144 seconds.
      Not tainted 5.15.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:10   state:D stack:    0 pid: 4599 ppid:     2 flags:0x00000008
Workqueue: events_unbound io_ring_exit_work
Call trace:
 __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0xf10/0x1e38 kernel/sched/core.c:6372
 schedule+0x11c/0x1c8 kernel/sched/core.c:6455
 schedule_timeout+0xb8/0x344 kernel/time/timer.c:1860
 do_wait_for_common+0x214/0x388 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x4c/0x64 kernel/sched/completion.c:138
 io_ring_exit_work+0x4ec/0x126c io_uring/io_uring.c:9725
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2307
 worker_thread+0x910/0x1034 kernel/workqueue.c:2454
 kthread+0x37c/0x45c kernel/kthread.c:319
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffff800014ac19a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:268
1 lock held by udevd/3584:
2 locks held by getty/3727:
 #0: ffff0000d06ef098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff800018dd02e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 drivers/tty/n_tty.c:2147
1 lock held by syz-executor.5/4004:
 #0: ffff0000cf3180e0 (&type->s_umount_key#53){+.+.}-{3:3}, at: deactivate_super+0x100/0x128 fs/super.c:365
2 locks held by syz-executor.3/4019:
2 locks held by syz-executor.2/4024:
2 locks held by kworker/u4:6/4088:
2 locks held by kworker/u4:10/4599:
 #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2280
 #1: ffff80001f2c7c00 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2282
2 locks held by kworker/1:11/12652:
 #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2280
 #1: ffff800026b37c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2282
1 lock held by dhcpcd/17892:
 #0: ffff0000cb33a120 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1661 [inline]
 #0: ffff0000cb33a120 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x4c/0xbc0 net/packet/af_packet.c:3160
2 locks held by syz-executor.4/17904:
 #0: ffff000121687098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff8000189322e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 drivers/tty/n_tty.c:2147
1 lock held by syz-executor.1/17908:
 #0: ffff0001464b0210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
 #0: ffff0001464b0210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: __sock_release net/socket.c:648 [inline]
 #0: ffff0001464b0210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: sock_close+0x80/0x1fc net/socket.c:1317
2 locks held by modprobe/17916:

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