vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used INFO: task kworker/1:1:25 blocked for more than 140 seconds. vhci_hcd: stop threads Not tainted 4.19.163-syzkaller #0 vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used kworker/1:1 D27704 25 2 0x80000000 vhci_hcd: stop threads Workqueue: usb_hub_wq hub_event vhci_hcd vhci_hcd.0: port 0 already used Call Trace: vhci_hcd: release socket context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd: connection closed vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5) schedule+0x8d/0x1b0 kernel/sched/core.c:3561 vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: release socket usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: connection closed vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692 vhci_hcd vhci_hcd.0: port 1 already used usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63 vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads usb_internal_control_msg drivers/usb/core/message.c:101 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) vhci_hcd: release socket vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:654 vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:926 vhci_hcd: stop threads hub_port_init+0x748/0x2fa0 drivers/usb/core/hub.c:4749 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used hub_port_connect drivers/usb/core/hub.c:5020 [inline] hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] port_event drivers/usb/core/hub.c:5311 [inline] hub_event+0x1cf8/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd: stop threads process_one_work+0x864/0x1570 kernel/workqueue.c:2155 vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used process_scheduled_works kernel/workqueue.c:2214 [inline] worker_thread+0x82b/0x1130 kernel/workqueue.c:2300 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device kthread+0x33f/0x460 kernel/kthread.c:259 vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used INFO: task kworker/1:2:3627 blocked for more than 140 seconds. vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used Not tainted 4.19.163-syzkaller #0 vhci_hcd: stop threads vhci_hcd: connection closed "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used kworker/1:2 D27704 3627 2 0x80000000 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used Workqueue: usb_hub_wq hub_event vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used Call Trace: vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed schedule+0x8d/0x1b0 kernel/sched/core.c:3561 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd: disconnect device usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692 vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) vhci_hcd: release socket vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used usb_internal_control_msg drivers/usb/core/message.c:101 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152 vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd: connection closed vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) hub_port_init+0x12d9/0x2fa0 drivers/usb/core/hub.c:4654 vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used hub_port_connect drivers/usb/core/hub.c:5020 [inline] hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] port_event drivers/usb/core/hub.c:5311 [inline] hub_event+0x1cf8/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed process_one_work+0x864/0x1570 kernel/workqueue.c:2155 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) process_scheduled_works kernel/workqueue.c:2214 [inline] worker_thread+0x82b/0x1130 kernel/workqueue.c:2300 vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used kthread+0x33f/0x460 kernel/kthread.c:259 vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used INFO: task kworker/0:2:3685 blocked for more than 140 seconds. vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed Not tainted 4.19.163-syzkaller #0 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used kworker/0:2 D25960 3685 2 0x80000000 vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(5) Workqueue: usb_hub_wq hub_event vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(5) vhci_hcd: release socket vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used Call Trace: vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd: stop threads context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used schedule+0x8d/0x1b0 kernel/sched/core.c:3561 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads vhci_hcd: connection closed usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692 vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(1) rhport(1) sockfd(5) vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63 vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) vhci_hcd: release socket vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used usb_internal_control_msg drivers/usb/core/message.c:101 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3) vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device hub_port_init+0x12d9/0x2fa0 drivers/usb/core/hub.c:4654 vhci_hcd: connection closed hub_port_connect drivers/usb/core/hub.c:5020 [inline] hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] port_event drivers/usb/core/hub.c:5311 [inline] hub_event+0x1cf8/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed process_one_work+0x864/0x1570 kernel/workqueue.c:2155 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads process_scheduled_works kernel/workqueue.c:2214 [inline] worker_thread+0x82b/0x1130 kernel/workqueue.c:2300 vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed kthread+0x33f/0x460 kernel/kthread.c:259 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device INFO: task kworker/0:0:8089 blocked for more than 140 seconds. vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used Not tainted 4.19.163-syzkaller #0 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(5) vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used kworker/0:0 D28136 8089 2 0x80000000 vhci_hcd vhci_hcd.0: port 0 already used Workqueue: usb_hub_wq hub_event vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed Call Trace: vhci_hcd vhci_hcd.0: port 0 already used context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) vhci_hcd: release socket vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device schedule+0x8d/0x1b0 kernel/sched/core.c:3561 vhci_hcd vhci_hcd.0: port 1 already used usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(1) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63 vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd: connection closed usb_internal_control_msg drivers/usb/core/message.c:101 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used hub_port_init+0x12d9/0x2fa0 drivers/usb/core/hub.c:4654 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used hub_port_connect drivers/usb/core/hub.c:5020 [inline] hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] port_event drivers/usb/core/hub.c:5311 [inline] hub_event+0x1cf8/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used process_one_work+0x864/0x1570 kernel/workqueue.c:2155 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads kthread+0x33f/0x460 kernel/kthread.c:259 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads INFO: task kworker/0:1:8163 blocked for more than 140 seconds. Not tainted 4.19.163-syzkaller #0 vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used kworker/0:1 D27544 8163 2 0x80000000 vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used Workqueue: usb_hub_wq hub_event vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads Call Trace: vhci_hcd vhci_hcd.0: port 1 already used context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) schedule+0x8d/0x1b0 kernel/sched/core.c:3561 vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: release socket usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(5) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692 vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) usb_internal_control_msg drivers/usb/core/message.c:101 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152 vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used hub_port_init+0x12d9/0x2fa0 drivers/usb/core/hub.c:4654 vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used hub_port_connect drivers/usb/core/hub.c:5020 [inline] hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] port_event drivers/usb/core/hub.c:5311 [inline] hub_event+0x1cf8/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used process_one_work+0x864/0x1570 kernel/workqueue.c:2155 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads process_scheduled_works kernel/workqueue.c:2214 [inline] worker_thread+0x82b/0x1130 kernel/workqueue.c:2300 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(5) vhci_hcd: connection closed vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device kthread+0x33f/0x460 kernel/kthread.c:259 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(5) vhci_hcd: release socket vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used INFO: task kworker/1:0:8193 blocked for more than 140 seconds. vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used Not tainted 4.19.163-syzkaller #0 vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device kworker/1:0 D28136 8193 2 0x80000000 vhci_hcd: stop threads vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used Workqueue: usb_hub_wq hub_event vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used Call Trace: vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 vhci_hcd: connection closed vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used schedule+0x8d/0x1b0 kernel/sched/core.c:3561 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697 vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63 vhci_hcd: connection closed vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device usb_internal_control_msg drivers/usb/core/message.c:101 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152 vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(5) hub_port_init+0x12d9/0x2fa0 drivers/usb/core/hub.c:4654 vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device hub_port_connect drivers/usb/core/hub.c:5020 [inline] hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] port_event drivers/usb/core/hub.c:5311 [inline] hub_event+0x1cf8/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd: connection closed vhci_hcd: release socket process_one_work+0x864/0x1570 kernel/workqueue.c:2155 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device kthread+0x33f/0x460 kernel/kthread.c:259 vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device Showing all locks held in the system: vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed 5 locks held by kworker/1:1/25: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used #0: 00000000ecab06bd ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used #1: 000000004f3d2cd2 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket #2: 0000000033fb9b12 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 0000000033fb9b12 (&dev->mutex){....}, at: hub_event+0x11b/0x43f0 drivers/usb/core/hub.c:5337 vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: disconnect device #3: 00000000b9cce078 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 00000000b9cce078 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 00000000b9cce078 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 00000000b9cce078 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 00000000b9cce078 (&port_dev->status_lock){+.+.}, at: hub_event+0x1ce3/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #4: 00000000371a11a7 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b6/0x2fa0 drivers/usb/core/hub.c:4528 vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used 2 locks held by kworker/u4:2/28: vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket 1 lock held by khungtaskd/1566: vhci_hcd vhci_hcd.0: port 1 already used #0: 00000000819e4410 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4440 vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used 5 locks held by kworker/1:2/3627: vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used #0: 00000000ecab06bd ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) #1: 000000002af3b4fd ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 vhci_hcd vhci_hcd.0: port 1 already used #2: 000000003298e78e (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 000000003298e78e (&dev->mutex){....}, at: hub_event+0x11b/0x43f0 drivers/usb/core/hub.c:5337 vhci_hcd: release socket #3: 0000000031e3cbb9 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 0000000031e3cbb9 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 0000000031e3cbb9 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 0000000031e3cbb9 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 0000000031e3cbb9 (&port_dev->status_lock){+.+.}, at: hub_event+0x1ce3/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket #4: 00000000f84a818d (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b6/0x2fa0 drivers/usb/core/hub.c:4528 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: disconnect device 5 locks held by kworker/0:2/3685: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) #0: 00000000ecab06bd ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 vhci_hcd: release socket #1: 0000000019429e9a ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used #2: 000000000d57c140 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 000000000d57c140 (&dev->mutex){....}, at: hub_event+0x11b/0x43f0 drivers/usb/core/hub.c:5337 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed #3: vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket 0000000016491982 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] 0000000016491982 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] 0000000016491982 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] 0000000016491982 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] 0000000016491982 (&port_dev->status_lock){+.+.}, at: hub_event+0x1ce3/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device #4: 0000000035e3cca3 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b6/0x2fa0 drivers/usb/core/hub.c:4528 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) 1 lock held by in:imklog/7806: vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used #0: 00000000119f44ab (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used 5 locks held by kworker/0:0/8089: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used #0: 00000000ecab06bd ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device #1: 00000000d51d3e92 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #2: 00000000ccb754c3 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 00000000ccb754c3 (&dev->mutex){....}, at: hub_event+0x11b/0x43f0 drivers/usb/core/hub.c:5337 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket #3: 0000000051d1d8f0 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 0000000051d1d8f0 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 0000000051d1d8f0 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 0000000051d1d8f0 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 0000000051d1d8f0 (&port_dev->status_lock){+.+.}, at: hub_event+0x1ce3/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(5) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used #4: 000000001fd9e42e (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b6/0x2fa0 drivers/usb/core/hub.c:4528 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used 5 locks held by kworker/0:1/8163: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used #0: 00000000ecab06bd ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used #1: 000000009aed7e1c ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) #2: 00000000c0e3de82 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 00000000c0e3de82 (&dev->mutex){....}, at: hub_event+0x11b/0x43f0 drivers/usb/core/hub.c:5337 vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads #3: 00000000d96a43eb (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 00000000d96a43eb (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 00000000d96a43eb (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 00000000d96a43eb (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 00000000d96a43eb (&port_dev->status_lock){+.+.}, at: hub_event+0x1ce3/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket #4: 0000000064351375 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b6/0x2fa0 drivers/usb/core/hub.c:4528 vhci_hcd vhci_hcd.0: port 0 already used 5 locks held by kworker/1:0/8193: vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device #0: 00000000ecab06bd ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 vhci_hcd vhci_hcd.0: pdev(1) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads #1: 0000000079cef4bb ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #2: 00000000dba53f4b (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 00000000dba53f4b (&dev->mutex){....}, at: hub_event+0x11b/0x43f0 drivers/usb/core/hub.c:5337 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used #3: 00000000f26a7a9a (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 00000000f26a7a9a (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 00000000f26a7a9a (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 00000000f26a7a9a (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 00000000f26a7a9a (&port_dev->status_lock){+.+.}, at: hub_event+0x1ce3/0x43f0 drivers/usb/core/hub.c:5391 vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used #4: 00000000722c0aa2 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b6/0x2fa0 drivers/usb/core/hub.c:4528 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: connection closed vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used 4 locks held by syz-executor592/20528: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3) #0: 0000000078721687 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket #1: 00000000819e4410 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000819e4410 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads #2: 0000000087c33347 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used #3: 000000007960c888 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline] #3: 000000007960c888 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x1597/0x2be0 kernel/exit.c:910 vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used 7 locks held by syz-executor592/20564: vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) #0: 0000000055f348b5 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1830 [inline] #0: 0000000055f348b5 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 vhci_hcd: release socket #1: 00000000819e4410 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000819e4410 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device #2: 00000000819e4410 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #2: 00000000819e4410 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads #3: 000000002d5ec2c7 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline] #3: 000000002d5ec2c7 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x1597/0x2be0 kernel/exit.c:910 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used #4: 0000000010405968 (&obj_hash[i].lock){-.-.}, at: debug_object_active_state lib/debugobjects.c:725 [inline] #4: 0000000010405968 (&obj_hash[i].lock){-.-.}, at: debug_object_active_state+0x104/0x330 lib/debugobjects.c:713 vhci_hcd: release socket #5: 00000000dc838e4e (pool_lock){-.-.}, at: alloc_object lib/debugobjects.c:174 [inline] #5: 00000000dc838e4e (pool_lock){-.-.}, at: __debug_object_init+0x145/0x9b0 lib/debugobjects.c:387 vhci_hcd: disconnect device vhci_hcd: connection closed #6: vhci_hcd: connection closed 00000000819e4410 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 1 already used 4 locks held by syz-executor592/20584: vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(5) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket #0: 0000000073935e6b (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1830 [inline] #0: 0000000073935e6b (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used #1: 00000000819e4410 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000819e4410 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 vhci_hcd: disconnect device #2: 0000000087c33347 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #3: 00000000c701acaa (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline] #3: 00000000c701acaa (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x1597/0x2be0 kernel/exit.c:910 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd: stop threads 4 locks held by syz-executor592/20600: vhci_hcd: release socket #0: 000000004527a383 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed #1: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device 00000000819e4410 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] 00000000819e4410 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads #2: 0000000089d27c4f (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used #3: 000000009928de1a (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline] #3: 000000009928de1a (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x1597/0x2be0 kernel/exit.c:910 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed 4 locks held by syz-executor592/20630: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used #0: 0000000073935e6b (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1830 [inline] #0: 0000000073935e6b (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: pdev(1) rhport(1) sockfd(5) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 1 already used #1: 00000000819e4410 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000819e4410 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed #2: vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd: connection closed 00000000819e4410 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used #3: 00000000b980dac0 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline] #3: 00000000b980dac0 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x1597/0x2be0 kernel/exit.c:910 vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used 7 locks held by syz-executor592/20669: vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used 4 locks held by syz-executor592/20668: vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used 4 locks held by syz-executor592/20678: vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used #0: 0000000073935e6b (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1830 [inline] #0: 0000000073935e6b (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd: release socket vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used #1: 00000000819e4410 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000819e4410 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 0 already used #2: 0000000014091f4c (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: connection closed vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used #3: 00000000407e8e12 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline] #3: 00000000407e8e12 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x1597/0x2be0 kernel/exit.c:910 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(3) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 1 already used 4 locks held by syz-executor592/20707: vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(2) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 0 already used #0: 0000000055f348b5 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1830 [inline] #0: 0000000055f348b5 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used #1: 00000000819e4410 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000819e4410 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 1 already used #2: 00000000b4f9c75c (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used #3: 0000000047c6116a (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline] #3: 0000000047c6116a (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x1597/0x2be0 kernel/exit.c:910 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(4) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 1 already used 4 locks held by syz-executor592/20728: vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used 7 locks held by syz-executor592/20744: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(0) rhport(1) sockfd(5) vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 1 already used 4 locks held by syz-executor592/20746: vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd vhci_hcd.0: port 1 already used vhci_hcd: release socket #0: 0000000055f348b5 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1830 [inline] #0: 0000000055f348b5 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455