INFO: task syz-executor.4:2323 blocked for more than 143 seconds.
      Not tainted 6.2.0-rc4-syzkaller-16807-gedb2f0dc90f2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:0     pid:2323  ppid:2297   flags:0x00000008
Call trace:
 __switch_to+0x180/0x298 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0x438/0x5a0 kernel/sched/core.c:6606
 schedule+0x64/0xa4 kernel/sched/core.c:6682
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6741
 __mutex_lock_common+0x788/0xca8 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+0x6c/0x114 io_uring/tctx.c:169
 io_uring_clean_tctx+0x60/0xe8 io_uring/tctx.c:185
 io_uring_cancel_generic+0x2f0/0x390 io_uring/io_uring.c:3145
 __io_uring_cancel+0x24/0x34 io_uring/io_uring.c:3159
 io_uring_files_cancel include/linux/io_uring.h:55 [inline]
 do_exit+0xf4/0xc2c kernel/exit.c:822
 do_group_exit+0x98/0xcc kernel/exit.c:1012
 get_signal+0xac4/0xb34 kernel/signal.c:2859
 do_signal+0x128/0x438 arch/arm64/kernel/signal.c:1245
 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1298
 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/0x150 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:584

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
 #0: ffff80000d6556c8 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
 #0: ffff80000d655d18 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
 #0: ffff80000d6555a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:324
2 locks held by getty/4085:
 #0: ffff0000c7a85098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
 #1: ffff80000f8662f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177
2 locks held by syz-executor.4/2270:
1 lock held by syz-executor.4/2323:
 #0: ffff0001998830a8 (&ctx->uring_lock){+.+.}-{3:3}, at: io_uring_del_tctx_node+0x6c/0x114 io_uring/tctx.c:169
3 locks held by syz-executor.4/2324:
2 locks held by syz-executor.4/2512:
3 locks held by syz-executor.4/2583:

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