INFO: task iou-sqp-4867:4871 blocked for more than 430 seconds.
Not tainted 5.12.0-rc2-syzkaller-00467-g0d7588ab9ef9 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:iou-sqp-4867 state:D stack: 0 pid: 4871 ppid: 4259 flags:0x00000004
Call Trace:
[<ffffffe003bc3252>] context_switch kernel/sched/core.c:4324 [inline]
[<ffffffe003bc3252>] __schedule+0x478/0xdec kernel/sched/core.c:5075
[<ffffffe003bc3c2a>] schedule+0x64/0x166 kernel/sched/core.c:5154
[<ffffffe0004b80ee>] io_uring_cancel_sqpoll+0x1de/0x294 fs/io_uring.c:8858
[<ffffffe0004c19cc>] io_sq_thread+0x548/0xe58 fs/io_uring.c:6750
[<ffffffe000005570>] ret_from_exception+0x0/0x14
Showing all locks held in the system:
3 locks held by kworker/u4:0/7:
3 locks held by kworker/1:0/19:
1 lock held by khungtaskd/1556:
#0: ffffffe00592b5e8 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x32/0x1fa kernel/locking/lockdep.c:6329
1 lock held by klogd/3947:
2 locks held by getty/4142:
#0: ffffffe00f1aa098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x48 drivers/tty/tty_ldsem.c:340
#1: ffffffd010b6f2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x9ac/0xb08 drivers/tty/n_tty.c:2178
2 locks held by kworker/0:1/4375:
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