INFO: task syz-executor.1:5213 blocked for more than 430 seconds.
      Not tainted 5.15.0-rc1-syzkaller-00001-g64a19591a293 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:    0 pid: 5213 ppid:  4815 flags:0x00000204
Call Trace:
[<ffffffff82bdaf8a>] context_switch kernel/sched/core.c:4940 [inline]
[<ffffffff82bdaf8a>] __schedule+0x506/0x1048 kernel/sched/core.c:6287
[<ffffffff82bdbb32>] schedule+0x66/0x168 kernel/sched/core.c:6366
[<ffffffff82be2dd2>] schedule_timeout+0x124/0x180 kernel/time/timer.c:1857
[<ffffffff82bdcb10>] do_wait_for_common kernel/sched/completion.c:85 [inline]
[<ffffffff82bdcb10>] __wait_for_common+0xdc/0x1a8 kernel/sched/completion.c:106
[<ffffffff82bdcbf6>] wait_for_common kernel/sched/completion.c:117 [inline]
[<ffffffff82bdcbf6>] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:138
[<ffffffff8052e7d0>] io_wq_exit_workers fs/io-wq.c:1181 [inline]
[<ffffffff8052e7d0>] io_wq_put_and_exit+0x2e6/0x9d8 fs/io-wq.c:1216
[<ffffffff80525738>] io_uring_clean_tctx fs/io_uring.c:9614 [inline]
[<ffffffff80525738>] io_uring_cancel_generic+0x2dc/0x42a fs/io_uring.c:9694
[<ffffffff80526316>] __io_uring_cancel+0x1c/0x26 fs/io_uring.c:9703
[<ffffffff8003355a>] io_uring_files_cancel include/linux/io_uring.h:16 [inline]
[<ffffffff8003355a>] do_exit+0x1be/0x1950 kernel/exit.c:780
[<ffffffff80034e02>] do_group_exit+0xac/0x1a0 kernel/exit.c:922
[<ffffffff8004ef98>] get_signal+0x332/0x1488 kernel/signal.c:2868
[<ffffffff80007a8e>] do_signal arch/riscv/kernel/signal.c:271 [inline]
[<ffffffff80007a8e>] do_notify_resume+0xa8/0x912 arch/riscv/kernel/signal.c:317
[<ffffffff800051aa>] ret_from_exception+0x0/0x14

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff83d2b3e8 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x32/0x1fa kernel/locking/lockdep.c:6448
1 lock held by klogd/1788:
2 locks held by getty/1958:
 #0: ffffffe00db86098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x48 drivers/tty/tty_ldsem.c:340
 #1: ffffffd0107f52e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x9a0/0xafa drivers/tty/n_tty.c:2113

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