INFO: task syz-executor.1:17874 blocked for more than 143 seconds.
      Not tainted 5.15.108-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:    0 pid:17874 ppid: 16079 flags:0x00000049
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_preempt_disabled+0x18/0x2c kernel/sched/core.c:6514
 __mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743
 io_uring_del_tctx_node+0xdc/0x25c io_uring/io_uring.c:9966
 io_uring_clean_tctx io_uring/io_uring.c:9982 [inline]
 io_uring_cancel_generic+0x51c/0x78c io_uring/io_uring.c:10059
 __io_uring_cancel+0x24/0x34 io_uring/io_uring.c:10073
 io_uring_files_cancel include/linux/io_uring.h:16 [inline]
 do_exit+0x220/0x2134 kernel/exit.c:827
 do_group_exit+0x110/0x268 kernel/exit.c:994
 get_signal+0x634/0x1550 kernel/signal.c:2889
 do_signal arch/arm64/kernel/signal.c:890 [inline]
 do_notify_resume+0x3d0/0x32b8 arch/arm64/kernel/signal.c:943
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:597
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffff800014aa1660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:268
2 locks held by kworker/u4:4/423:
1 lock held by udevd/3588:
2 locks held by getty/3737:
 #0: ffff0000d425b098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001a28b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 drivers/tty/n_tty.c:2147
2 locks held by kworker/0:3/4154:
 #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2279
 #1: ffff80001d467c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2281
3 locks held by syz-executor.1/16010:
1 lock held by syz-executor.1/17874:
 #0: ffff00012d8120a8 (&ctx->uring_lock){+.+.}-{3:3}, at: io_uring_del_tctx_node+0xdc/0x25c io_uring/io_uring.c:9966
1 lock held by syz-executor.1/17881:
2 locks held by syz-executor.1/17942:
2 locks held by syz-executor.2/20955:

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