INFO: task kworker/u4:2:46 blocked for more than 143 seconds. Not tainted 5.19.0-rc3-next-20220624 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:2 state:D stack:25392 pid: 46 ppid: 2 flags:0x00004000 Workqueue: events_unbound io_ring_exit_work Call Trace: __schedule+0x893/0x2490 schedule+0xd2/0x1f0 schedule_timeout+0x1c5/0x280 __wait_for_common+0x36f/0x4b0 io_ring_exit_work+0x4aa/0xca4 process_one_work+0xa1c/0x16a0 worker_thread+0x637/0x1250 kthread+0x2f2/0x3b0 ret_from_fork+0x22/0x30 Showing all locks held in the system: 2 locks held by kworker/u4:0/8: #0: ffff888007861138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x915/0x16a0 #1: ffff8880081e7db0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x949/0x16a0 1 lock held by rcu_tasks_kthre/11: #0: ffffffff85203ed0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc10 1 lock held by khungtaskd/25: #0: ffffffff852049a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 2 locks held by kworker/u4:2/46: #0: ffff888007861138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x915/0x16a0 #1: ffff88800bc07db0 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x949/0x16a0 1 lock held by systemd-udevd/127: 1 lock held by in:imklog/188: #0: ffff88800d8df268 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe3/0x100 2 locks held by kworker/u4:7/492: #0: ffff888007861138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x915/0x16a0 #1: ffff88801d23fdb0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x949/0x16a0 4 locks held by syz-executor.3/4855: 2 locks held by syz-executor.3/4861: #0: ffff88800fa2c438 (sb_writers#3){.+.+}-{0:0}, at: path_openat+0x2649/0x2870 #1: ffff88801db2c990 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: path_openat+0x939/0x2870 2 locks held by syz-executor.3/4867: #0: ffff88800fa2c438 (sb_writers#3){.+.+}-{0:0}, at: path_openat+0x2649/0x2870 #1: ffff88801db2c990 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: path_openat+0x939/0x2870 2 locks held by syz-executor.3/4874: #0: ffff88800fa2c438 (sb_writers#3){.+.+}-{0:0}, at: path_openat+0x2649/0x2870 #1: ffff88801db2c990 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: path_openat+0x939/0x2870 2 locks held by syz-executor.3/4877: #0: ffff88800fa2c438 (sb_writers#3){.+.+}-{0:0}, at: path_openat+0x2649/0x2870 #1: ffff88801db2c990 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: path_openat+0x939/0x2870 1 lock held by syz-executor.2/4879: 1 lock held by modprobe/4885: 1 lock held by modprobe/4889: 1 lock held by syz-executor.4/4890: =============================================