INFO: task kworker/1:7:6095 blocked for more than 143 seconds. Not tainted 6.5.0-rc6-syzkaller-gac9847efd629 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:7 state:D stack:0 pid:6095 ppid:2 flags:0x00000008 Workqueue: usb_hub_wq hub_event Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1364/0x23b4 kernel/sched/core.c:6710 schedule+0xc4/0x170 kernel/sched/core.c:6786 usb_kill_urb+0x1b4/0x32c drivers/usb/core/urb.c:728 usb_start_wait_urb+0x16c/0x414 drivers/usb/core/message.c:64 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x228/0x3f8 drivers/usb/core/message.c:153 usb_get_descriptor+0xb4/0x3bc drivers/usb/core/message.c:793 usb_get_device_descriptor+0x9c/0xfc drivers/usb/core/message.c:1072 hub_port_init+0xcfc/0x1de4 drivers/usb/core/hub.c:4984 hub_port_connect drivers/usb/core/hub.c:5351 [inline] hub_port_connect_change drivers/usb/core/hub.c:5566 [inline] port_event drivers/usb/core/hub.c:5726 [inline] hub_event+0x21cc/0x4638 drivers/usb/core/hub.c:5808 process_one_work+0x800/0x1480 kernel/workqueue.c:2600 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/13: #0: ffff80008e2718d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:522 1 lock held by rcu_tasks_trace/14: #0: ffff80008e271c90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:522 1 lock held by khungtaskd/28: #0: ffff80008e271700 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:302 2 locks held by klogd/5596: 2 locks held by getty/5748: #0: ffff0000d9921098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000959122f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2187 5 locks held by kworker/1:7/6095: #0: ffff0000c2461d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x6b4/0x1480 kernel/workqueue.c:2572 #1: ffff800097727c20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6f0/0x1480 kernel/workqueue.c:2574 #2: ffff0000cf934190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #2: ffff0000cf934190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c4/0x4638 drivers/usb/core/hub.c:5754 #3: ffff0000cf937520 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3162 [inline] #3: ffff0000cf937520 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5318 [inline] #3: ffff0000cf937520 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5566 [inline] #3: ffff0000cf937520 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5726 [inline] #3: ffff0000cf937520 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x1df4/0x4638 drivers/usb/core/hub.c:5808 #4: ffff0000cd519668 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5319 [inline] #4: ffff0000cd519668 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5566 [inline] #4: ffff0000cd519668 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5726 [inline] #4: ffff0000cd519668 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x1e24/0x4638 drivers/usb/core/hub.c:5808 2 locks held by kworker/u4:9/7236: 1 lock held by syz-executor.1/8015: #0: ffff0000cf934190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #0: ffff0000cf934190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1051 1 lock held by syz-executor.4/8120: #0: ffff0000cf934190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline] #0: ffff0000cf934190 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6c0 drivers/usb/core/devio.c:1051 =============================================