INFO: task syz-executor.2:13815 blocked for more than 143 seconds.
      Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:0     pid:13815 ppid:5986   flags:0x04000008
Call trace:
 __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5304 [inline]
 __schedule+0x1130/0x1fd0 kernel/sched/core.c:6622
 schedule+0xc4/0x170 kernel/sched/core.c:6698
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6757
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
 io_uring_del_tctx_node+0xdc/0x254 io_uring/tctx.c:169
 io_uring_clean_tctx+0xf0/0x1a4 io_uring/tctx.c:185
 io_uring_cancel_generic+0x534/0x5dc io_uring/io_uring.c:3260
 __io_uring_cancel+0x24/0x34 io_uring/io_uring.c:3274
 io_uring_files_cancel include/linux/io_uring.h:55 [inline]
 do_exit+0x224/0x1a30 kernel/exit.c:824
 do_group_exit+0x194/0x22c kernel/exit.c:1019
 get_signal+0x14b0/0x159c kernel/signal.c:2859
 do_signal arch/arm64/kernel/signal.c:1246 [inline]
 do_notify_resume+0x3cc/0x3c90 arch/arm64/kernel/signal.c:1299
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffff800015eb7c90 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
 #0: ffff800015eb8490 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/28:
 #0: ffff800015eb7ac0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:326
2 locks held by getty/5627:
 #0: ffff0000d2a5f098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80001aa002f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.2/13815:
 #0: ffff0000c65a00a8 (&ctx->uring_lock){+.+.}-{3:3}, at: io_uring_del_tctx_node+0xdc/0x254 io_uring/tctx.c:169
3 locks held by iou-sqp-13815/13818:

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