INFO: task syz-executor.1:24791 blocked for more than 430 seconds.
      Not tainted 5.12.0-rc2-syzkaller-00059-g144c79ef3353 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:    0 pid:24791 ppid:  4631 flags:0x00000001
Call trace:
 __switch_to+0x1f8/0x32c arch/arm64/kernel/process.c:564
 context_switch kernel/sched/core.c:4324 [inline]
 __schedule+0x810/0x1ac0 kernel/sched/core.c:5075
 schedule+0xac/0x230 kernel/sched/core.c:5154
 schedule_timeout+0x184/0x1f0 kernel/time/timer.c:1868
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x18c/0x2e4 kernel/sched/completion.c:106
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x20/0x2c kernel/sched/completion.c:138
 io_sq_thread_finish+0x7c/0x4d0 fs/io_uring.c:7127
 io_sq_offload_create fs/io_uring.c:7928 [inline]
 io_uring_create fs/io_uring.c:9401 [inline]
 io_uring_setup+0x1ac0/0x218c fs/io_uring.c:9484
 __do_sys_io_uring_setup fs/io_uring.c:9490 [inline]
 __se_sys_io_uring_setup fs/io_uring.c:9487 [inline]
 __arm64_sys_io_uring_setup+0x50/0x70 fs/io_uring.c:9487
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:49 [inline]
 el0_svc_common.constprop.0+0xf0/0x2c0 arch/arm64/kernel/syscall.c:129
 do_el0_svc+0xa4/0xd0 arch/arm64/kernel/syscall.c:168
 el0_svc+0x24/0x34 arch/arm64/kernel/entry-common.c:416
 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:432
 el0_sync+0x170/0x180 arch/arm64/kernel/entry.S:699

Showing all locks held in the system:
1 lock held by khungtaskd/1489:
 #0: ffff80001950e1a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x74/0x25c kernel/locking/lockdep.c:6329
2 locks held by getty/4411:
 #0: ffff000018cb2098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001e1fa2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x85c/0xc5c drivers/tty/n_tty.c:2178
2 locks held by kworker/u4:4/22107:

=============================================