INFO: task kworker/u4:25:7900 blocked for more than 144 seconds.
      Not tainted 6.1.29-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:25   state:D stack:0     pid:7900  ppid:2      flags:0x00000008
Workqueue: events_unbound io_ring_exit_work
Call trace:
 __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0xee4/0x1c98 kernel/sched/core.c:6554
 schedule+0xc4/0x170 kernel/sched/core.c:6630
 schedule_timeout+0xb8/0x344 kernel/time/timer.c:1911
 do_wait_for_common+0x30c/0x468 kernel/sched/completion.c:85
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x48/0x60 kernel/sched/completion.c:138
 io_ring_exit_work+0x588/0x674 io_uring/io_uring.c:2775
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860

Showing all locks held in the system:
3 locks held by kworker/u4:1/11:
1 lock held by rcu_tasks_kthre/12:
 #0: ffff800015774ef0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
 #0: ffff8000157756f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/28:
 #0: ffff800015774d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:305
2 locks held by getty/3975:
 #0: ffff0000d642f098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80001ca202f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.3/4260:
5 locks held by kworker/0:5/4322:
 #0: ffff0000c4652538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2262
 #1: ffff80001e217c20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2264
 #2: ffff0000d125d190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:836 [inline]
 #2: ffff0000d125d190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c0/0x44a0 drivers/usb/core/hub.c:5683
 #3: ffff0000dc236190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:836 [inline]
 #3: ffff0000dc236190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0xec/0x7b0 drivers/usb/core/hub.c:2229
 #4: ffff000129cd7118 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:836 [inline]
 #4: ffff000129cd7118 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1078 [inline]
 #4: ffff000129cd7118 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x724 drivers/base/dd.c:1281
2 locks held by kworker/u4:10/4441:
 #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2262
 #1: ffff80001eda7c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2264
3 locks held by kworker/0:13/5779:
 #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2262
 #1: ffff80001f727c20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2264
 #2: ffff8000156246f0 (umhelper_sem){++++}-{3:3}, at: usermodehelper_read_lock_wait+0x138/0x244 kernel/umh.c:250
2 locks held by kworker/u4:25/7900:
 #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2262
 #1: ffff8000254e7c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2264
2 locks held by kworker/u4:29/9220:
 #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2262
 #1: ffff8000202e7c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2264
2 locks held by kworker/u4:32/12412:
 #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2262
 #1: ffff80001f607c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2264
2 locks held by kworker/u4:33/12413:
1 lock held by syz-executor.2/12628:
1 lock held by syz-executor.4/12633:
2 locks held by syz-executor.1/12645:

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