INFO: task kworker/0:0:5 blocked for more than 143 seconds. Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:27528 pid: 5 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711 usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706 usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:790 usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:1065 hub_port_init+0x9e3/0x2db0 drivers/usb/core/hub.c:4852 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 process_scheduled_works kernel/workqueue.c:2337 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2423 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 INFO: task kworker/0:2:8 blocked for more than 144 seconds. Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:27664 pid: 8 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711 usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706 usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:790 usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:1065 hub_port_init+0x9e3/0x2db0 drivers/usb/core/hub.c:4852 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 INFO: task kworker/0:3:8441 blocked for more than 145 seconds. Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:3 state:D stack:27208 pid: 8441 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711 usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706 usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:790 usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:1065 hub_port_init+0x9e3/0x2db0 drivers/usb/core/hub.c:4852 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 process_scheduled_works kernel/workqueue.c:2337 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2423 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 INFO: task kworker/1:0:8448 blocked for more than 146 seconds. Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:27160 pid: 8448 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711 usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706 usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:790 usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:1065 hub_port_init+0x9e3/0x2db0 drivers/usb/core/hub.c:4852 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 process_scheduled_works kernel/workqueue.c:2337 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2423 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 INFO: task kworker/1:2:8487 blocked for more than 147 seconds. Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:27664 pid: 8487 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711 usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706 usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:790 usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:1065 hub_port_init+0x9e3/0x2db0 drivers/usb/core/hub.c:4852 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 INFO: task kworker/1:4:8489 blocked for more than 148 seconds. Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:25928 pid: 8489 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711 usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706 usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153 usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:790 usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:1065 hub_port_init+0x9e3/0x2db0 drivers/usb/core/hub.c:4852 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 process_scheduled_works kernel/workqueue.c:2337 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2423 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Showing all locks held in the system: 5 locks held by kworker/0:0/5: #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline] #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline] #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246 #1: ffffc90000ca7da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250 #2: ffff888021ac0220 ( &dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:744 [inline] &dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5590 #3: ffff888021ac3578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3079 [inline] (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5207 [inline] (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5562 [inline] (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5644 #4: ffff8881463ea368 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4631 5 locks held by kworker/0:2/8: #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline] ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline] ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246 #1: ffffc90000cd7da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250 #2: ffff8881464dc220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:744 [inline] #2: ffff8881464dc220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5590 #3: ffff8881464df578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3079 [inline] #3: ffff8881464df578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5207 [inline] #3: ffff8881464df578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] #3: ffff8881464df578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5562 [inline] #3: ffff8881464df578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5644 #4: ffff888021ab5568 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4631 3 locks held by kworker/u4:1/25: 1 lock held by khungtaskd/1648: #0: ffffffff8c17afe0 ( rcu_read_lock ){....}-{1:2} , at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6333 1 lock held by systemd-journal/4849: 1 lock held by in:imklog/8136: 5 locks held by kworker/0:3/8441: #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246 #1: ffffc9000161fda8 ( (work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250 #2: ffff88814643c220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:744 [inline] #2: ffff88814643c220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5590 #3: ffff88814643f578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3079 [inline] #3: ffff88814643f578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5207 [inline] #3: ffff88814643f578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] #3: ffff88814643f578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5562 [inline] #3: ffff88814643f578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5644 #4: ffff8881463c6168 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4631 5 locks held by kworker/1:0/8448: #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline] #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline] #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246 #1: ffffc900018cfda8 ( (work_completion)(&hub->events) ){+.+.}-{0:0} , at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250 #2: ffff888021834220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:744 [inline] #2: ffff888021834220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5590 #3: ffff888021837578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3079 [inline] #3: ffff888021837578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5207 [inline] #3: ffff888021837578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] #3: ffff888021837578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5562 [inline] #3: ffff888021837578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5644 #4: ffff888145e2cc68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4631 5 locks held by kworker/1:2/8487: #0: ffff88801987e538 ( (wq_completion)usb_hub_wq ){+.+.}-{0:0} , at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] , at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] , at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] , at: set_work_data kernel/workqueue.c:616 [inline] , at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline] , at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246 #1: ffffc900017cfda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250 #2: ffff8881463b0220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:744 [inline] #2: ffff8881463b0220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5590 #3: ffff8881463b3578 ( &port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3079 [inline] &port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5207 [inline] &port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] &port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5562 [inline] &port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5644 #4: ffff8880218bef68 ( hcd->address0_mutex ){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4631 5 locks held by kworker/1:4/8489: #0: ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline] ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline] ffff88801987e538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246 #1: ffffc9000176fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250 #2: ffff888021c38220 ( &dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:744 [inline] &dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5590 #3: ffff888021c3b578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3079 [inline] #3: ffff888021c3b578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5207 [inline] #3: ffff888021c3b578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] #3: ffff888021c3b578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5562 [inline] #3: ffff888021c3b578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5644 #4: ffff888021b4f768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4631 8 locks held by syz-executor726/15893: #0: ffff8880b9d35718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:460 #1: ffff8880b9d1f988 ( &per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x24c/0x670 kernel/sched/psi.c:872 #2: ffff8880258e54b8 (&sig->wait_chldexit){....}-{2:2}, at: __wake_up_common_lock+0xb4/0x130 kernel/sched/wait.c:137 #3: ffff88801ba89558 (&____s->seqcount#5){....}-{0:0}, at: exit_notify kernel/exit.c:700 [inline] #3: ffff88801ba89558 (&____s->seqcount#5){....}-{0:0}, at: do_exit+0x1518/0x2a70 kernel/exit.c:846 #4: ffffffff8c17afe0 (rcu_read_lock){....}-{1:2}, at: is_bpf_text_address+0x0/0x170 kernel/bpf/core.c:691 #5: ffff8880b9c35718 ( &rq->__lock ){-.-.}-{2:2}, at: finish_task kernel/sched/core.c:4342 [inline] ){-.-.}-{2:2}, at: finish_task_switch.isra.0+0x130/0xb80 kernel/sched/core.c:4558 #6: ffff8880123c25e0 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0x98/0x1670 kernel/sched/core.c:3713 #7: ffff8880b9c35718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:460 5 locks held by syz-executor726/16047: 5 locks held by syz-executor726/16049: #0: ffff888016742370 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990 #1: ffff8880296c8460 (sb_writers#6){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658 #2: ffffffff8c17afe0 (rcu_read_lock){....}-{1:2}, at: is_bpf_text_address+0x0/0x170 kernel/bpf/core.c:691 #3: ffff888014deaf58 (&____s->seqcount#5){....}-{0:0}, at: exit_notify kernel/exit.c:700 [inline] #3: ffff888014deaf58 (&____s->seqcount#5){....}-{0:0}, at: do_exit+0x1518/0x2a70 kernel/exit.c:846 #4: ffffffff8c17afe0 (rcu_read_lock){....}-{1:2}, at: is_bpf_text_address+0x0/0x170 kernel/bpf/core.c:691 5 locks held by syz-executor726/16086: 10 locks held by syz-executor726/16110: #0: ffff8880b9c35718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:460 #1: ffff8880b9c1f988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x24c/0x670 kernel/sched/psi.c:872 #2: ffff8880258e3ab8 ( &sig->wait_chldexit){....}-{2:2}, at: __wake_up_common_lock+0xb4/0x130 kernel/sched/wait.c:137 #3: ffff888024981558 ( &____s->seqcount #5 ){....}-{0:0}, at: exit_notify kernel/exit.c:700 [inline] ){....}-{0:0}, at: do_exit+0x1518/0x2a70 kernel/exit.c:846 #4: ffffffff8c17afe0 ( rcu_read_lock){....}-{1:2}, at: is_bpf_text_address+0x0/0x170 kernel/bpf/core.c:691 #5: ffffffff8c17afe0 (rcu_read_lock){....}-{1:2}, at: trace_sched_stat_runtime include/trace/events/sched.h:519 [inline] #5: ffffffff8c17afe0 (rcu_read_lock){....}-{1:2}, at: update_curr+0x33f/0x8c0 kernel/sched/fair.c:820 #6: ffff8880b9d35718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:460 #7: ffffffff8c17afe0 ( rcu_read_lock){....}-{1:2}, at: trace_sched_stat_runtime include/trace/events/sched.h:519 [inline] rcu_read_lock){....}-{1:2}, at: update_curr+0x33f/0x8c0 kernel/sched/fair.c:820 #8: ffffffff90b43b70 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:656