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: connection closed vhci_hcd vhci_hcd.0: port 0 already used INFO: task kworker/1:2:3418 blocked for more than 140 seconds. vhci_hcd: disconnect device Not tainted 4.19.149-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/1:2 D27752 3418 2 0x80000000 Workqueue: usb_hub_wq hub_event vhci_hcd vhci_hcd.0: port 0 already used Call Trace: 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 0 already used context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 vhci_hcd: connection closed 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 0 already used 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 0 already used schedule+0x8d/0x1b0 kernel/sched/core.c:3561 vhci_hcd: stop threads vhci_hcd: release socket 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(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 0 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 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697 vhci_hcd: connection closed 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: pdev(5) 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: 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692 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 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 usb_start_wait_urb+0x24f/0x2b0 drivers/usb/core/message.c:63 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 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: disconnect device vhci_hcd vhci_hcd.0: pdev(4) 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: 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: 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: connection closed 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used hub_port_init+0x8b3/0x2ea0 drivers/usb/core/hub.c:4654 systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. 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+0x1981/0x3fc0 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: 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: 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: release socket vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. process_one_work+0x796/0x14e0 kernel/workqueue.c:2155 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: disconnect device vhci_hcd: connection closed 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) systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. 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: 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: 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: port 0 already used kthread+0x33f/0x460 kernel/kthread.c:259 systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. 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 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: disconnect device vhci_hcd vhci_hcd.0: port 0 already used INFO: task kworker/0:3:3727 blocked for more than 140 seconds. systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used Not tainted 4.19.149-syzkaller #0 "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 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: release socket vhci_hcd vhci_hcd.0: port 0 already used kworker/0:3 D27024 3727 2 0x80000000 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed Workqueue: usb_hub_wq hub_event 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 Call Trace: systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. 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: stop threads vhci_hcd vhci_hcd.0: port 0 already used context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. vhci_hcd: release socket 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 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: disconnect device schedule+0x8d/0x1b0 kernel/sched/core.c:3561 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 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3) vhci_hcd: release socket vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. 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 0 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 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: release socket vhci_hcd vhci_hcd.0: port 0 already used 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: disconnect device 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used usb_start_wait_urb+0x24f/0x2b0 drivers/usb/core/message.c:63 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 0 already used vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) vhci_hcd: connection closed 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: disconnect device vhci_hcd vhci_hcd.0: port 0 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: 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd: stop threads 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: 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: disconnect device vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd: connection closed 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: stop threads vhci_hcd vhci_hcd.0: port 0 already used hub_port_init+0x8b3/0x2ea0 drivers/usb/core/hub.c:4654 vhci_hcd: connection closed vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device 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+0x1981/0x3fc0 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: 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: pdev(4) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) 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: 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: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads process_one_work+0x796/0x14e0 kernel/workqueue.c:2155 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: 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 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 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(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: release socket vhci_hcd vhci_hcd.0: port 0 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 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: release socket 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: 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: pdev(4) rhport(0) sockfd(3) INFO: task kworker/0:4:6529 blocked for more than 140 seconds. vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: release socket vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: disconnect device 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 0 already used Not tainted 4.19.149-syzkaller #0 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(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) "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device kworker/0:4 D27688 6529 2 0x80000000 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(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) Workqueue: usb_hub_wq hub_event vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 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 vhci_hcd.0: port 0 already used vhci_hcd: stop threads context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed 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: pdev(0) 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 0 already used schedule+0x8d/0x1b0 kernel/sched/core.c:3561 vhci_hcd: stop threads 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: 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: 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 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: connection closed 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 0 already used 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 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 0 already used usb_start_wait_urb+0x24f/0x2b0 drivers/usb/core/message.c:63 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(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 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 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: 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 0 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 0 already used vhci_hcd: release socket 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: 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 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 hub_port_init+0x8b3/0x2ea0 drivers/usb/core/hub.c:4654 vhci_hcd: stop threads 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: 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: 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+0x1981/0x3fc0 drivers/usb/core/hub.c:5391 vhci_hcd: connection closed vhci_hcd: disconnect device 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: pdev(1) 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 process_one_work+0x796/0x14e0 kernel/workqueue.c:2155 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 process_scheduled_works kernel/workqueue.c:2214 [inline] worker_thread+0x82b/0x1130 kernel/workqueue.c:2300 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 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: 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 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: connection closed ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 vhci_hcd: stop threads INFO: task kworker/1:1:6545 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: 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: disconnect device 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) Not tainted 4.19.149-syzkaller #0 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: 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) "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. vhci_hcd: connection closed vhci_hcd: release socket 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 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used kworker/1:1 D28184 6545 2 0x80000000 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: disconnect device 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: stop threads Workqueue: usb_hub_wq hub_event vhci_hcd vhci_hcd.0: port 0 already used Call Trace: vhci_hcd: release socket 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: disconnect device context_switch kernel/sched/core.c:2828 [inline] __schedule+0x8e5/0x22e0 kernel/sched/core.c:3517 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: connection closed vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used schedule+0x8d/0x1b0 kernel/sched/core.c:3561 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697 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 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 0 already used vhci_hcd: disconnect device 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: 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 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: stop threads vhci_hcd: connection closed vhci_hcd: release socket vhci_hcd: connection closed 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: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used usb_start_wait_urb+0x24f/0x2b0 drivers/usb/core/message.c:63 vhci_hcd: stop threads 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(1) rhport(0) sockfd(3) 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: 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 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 vhci_hcd: disconnect device vhci_hcd: connection closed 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: pdev(5) rhport(0) sockfd(3) 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: connection closed vhci_hcd vhci_hcd.0: port 0 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: 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 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_init+0x8b3/0x2ea0 drivers/usb/core/hub.c:4654 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+0x1981/0x3fc0 drivers/usb/core/hub.c:5391 vhci_hcd: stop threads process_one_work+0x796/0x14e0 kernel/workqueue.c:2155 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: connection closed vhci_hcd: connection closed vhci_hcd: release socket 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Showing all locks held in the system: vhci_hcd: stop threads 5 locks held by kworker/u4:3/207: 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: 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: release socket 1 lock held by khungtaskd/1095: 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 #0: 00000000a387eb56 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x291 kernel/locking/lockdep.c:4440 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd: connection closed 5 locks held by kworker/1:2/3418: 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 #0: 00000000fb24e8ee ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x692/0x14e0 kernel/workqueue.c:2126 vhci_hcd vhci_hcd.0: port 0 already used #1: 000000001ac3be55 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x6c8/0x14e0 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: 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 #2: 00000000076024ec (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 00000000076024ec (&dev->mutex){....}, at: hub_event+0x10f/0x3fc0 drivers/usb/core/hub.c:5337 vhci_hcd vhci_hcd.0: port 0 already used #3: 00000000388185d5 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 00000000388185d5 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 00000000388185d5 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 00000000388185d5 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 00000000388185d5 (&port_dev->status_lock){+.+.}, at: hub_event+0x196c/0x3fc0 drivers/usb/core/hub.c:5391 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: connection closed vhci_hcd vhci_hcd.0: port 0 already used #4: 0000000011360ac4 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b5/0x2ea0 drivers/usb/core/hub.c:4528 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device 5 locks held by kworker/0:3/3727: 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 #0: 00000000fb24e8ee ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x692/0x14e0 kernel/workqueue.c:2126 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: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket #1: 00000000075c80c9 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x6c8/0x14e0 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 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: connection closed #2: vhci_hcd vhci_hcd.0: port 0 already used 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 0000000066229dc0 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] 0000000066229dc0 (&dev->mutex){....}, at: hub_event+0x10f/0x3fc0 drivers/usb/core/hub.c:5337 vhci_hcd: disconnect device #3: 0000000010252681 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 0000000010252681 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 0000000010252681 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 0000000010252681 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 0000000010252681 (&port_dev->status_lock){+.+.}, at: hub_event+0x196c/0x3fc0 drivers/usb/core/hub.c:5391 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: 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: release socket vhci_hcd: connection closed #4: vhci_hcd vhci_hcd.0: port 0 already used 000000002f68e3ea (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b5/0x2ea0 drivers/usb/core/hub.c:4528 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 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: pdev(5) rhport(0) sockfd(3) 1 lock held by in:imklog/6152: vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads #0: 00000000a32141a9 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xe3/0x100 fs/file.c:767 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 0 already used vhci_hcd: release socket 5 locks held by kworker/0:4/6529: vhci_hcd: disconnect device #0: 00000000fb24e8ee ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x692/0x14e0 kernel/workqueue.c:2126 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 0 already used #1: 00000000424d2a55 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x6c8/0x14e0 kernel/workqueue.c:2130 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 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(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) #2: 0000000060a72af4 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 0000000060a72af4 (&dev->mutex){....}, at: hub_event+0x10f/0x3fc0 drivers/usb/core/hub.c:5337 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(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: disconnect device #3: 000000005284b8a6 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 000000005284b8a6 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 000000005284b8a6 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 000000005284b8a6 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 000000005284b8a6 (&port_dev->status_lock){+.+.}, at: hub_event+0x196c/0x3fc0 drivers/usb/core/hub.c:5391 vhci_hcd vhci_hcd.0: port 0 already used #4: 0000000014233f88 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b5/0x2ea0 drivers/usb/core/hub.c:4528 vhci_hcd: stop threads 5 locks held by kworker/1:1/6545: vhci_hcd vhci_hcd.0: port 0 already used #0: 00000000fb24e8ee ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x692/0x14e0 kernel/workqueue.c:2126 vhci_hcd vhci_hcd.0: port 0 already used #1: 000000007c7ab800 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x6c8/0x14e0 kernel/workqueue.c:2130 vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) vhci_hcd: connection closed vhci_hcd: connection closed 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 #2: 00000000efad3966 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 00000000efad3966 (&dev->mutex){....}, at: hub_event+0x10f/0x3fc0 drivers/usb/core/hub.c:5337 vhci_hcd: release socket vhci_hcd: disconnect device #3: 000000007cb2e58f (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 000000007cb2e58f (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 000000007cb2e58f (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 000000007cb2e58f (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 000000007cb2e58f (&port_dev->status_lock){+.+.}, at: hub_event+0x196c/0x3fc0 drivers/usb/core/hub.c:5391 vhci_hcd: stop threads 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: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket #4: 0000000055daaa86 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b5/0x2ea0 drivers/usb/core/hub.c:4528 vhci_hcd: disconnect device 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: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads 5 locks held by kworker/1:4/25816: 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(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: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #0: 00000000fb24e8ee ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x692/0x14e0 kernel/workqueue.c:2126 vhci_hcd vhci_hcd.0: port 0 already used #1: 00000000a54b26d4 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x6c8/0x14e0 kernel/workqueue.c:2130 vhci_hcd: disconnect device 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 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 #2: 00000000c717a30f (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline] #2: 00000000c717a30f (&dev->mutex){....}, at: hub_event+0x10f/0x3fc0 drivers/usb/core/hub.c:5337 vhci_hcd: release socket 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: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #3: 0000000027c391c4 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline] #3: 0000000027c391c4 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline] #3: 0000000027c391c4 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline] #3: 0000000027c391c4 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline] #3: 0000000027c391c4 (&port_dev->status_lock){+.+.}, at: hub_event+0x196c/0x3fc0 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: stop threads #4: 00000000a757b511 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b5/0x2ea0 drivers/usb/core/hub.c:4528 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: disconnect device 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: pdev(4) rhport(0) sockfd(3) 3 locks held by syz-executor528/1389: vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: stop threads vhci_hcd: connection closed #0: 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 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 vhci_hcd.0: port 0 already used vhci_hcd: stop threads #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket #2: 0000000027f1f094 (&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 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: disconnect device vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) 3 locks held by syz-executor528/1409: vhci_hcd: stop threads 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 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 #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 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: disconnect device #2: 00000000de0893d1 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 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 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(0) sockfd(3) 3 locks held by syz-executor528/1427: 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 #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: disconnect device #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 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(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: release socket #2: 00000000cdd92234 (&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 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) 3 locks held by syz-executor528/1439: 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 0 already used 3 locks held by syz-executor528/1447: 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 #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 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 0 already used vhci_hcd: stop threads #2: 0000000001c37d81 (&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: release socket 3 locks held by syz-executor528/1462: 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) systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #0: 00000000d808908e (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 00000000d808908e (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. #2: 000000007a44100d (&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: stop threads 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 3 locks held by syz-executor528/1474: systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. 3 locks held by syz-executor528/1476: vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket #0: 00000000d808908e (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 00000000d808908e (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd: disconnect device vhci_hcd: stop threads systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. 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: 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 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used 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 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 vhci_hcd.0: port 0 already used #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device #2: 00000000de0893d1 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd vhci_hcd.0: port 0 already used 3 locks held by syz-executor528/1503: 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 systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) #0: 00000000b71e1b49 (sb_writers#5){.+.+}, at: file_start_write include/linux/fs.h:2780 [inline] #0: 00000000b71e1b49 (sb_writers#5){.+.+}, at: vfs_write+0x463/0x540 fs/read_write.c:548 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 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 #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 vhci_hcd: connection closed systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. 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: port 0 already used vhci_hcd: release socket 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) systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. #2: 00000000cdd92234 (&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: disconnect device systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used 1 lock held by syz-executor528/1527: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads vhci_hcd: connection closed systemd-journald[19281]: /dev/kmsg buffer overrun, some messages lost. vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(5) 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 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 3 locks held by syz-executor528/1543: 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(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 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 #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used 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: release socket vhci_hcd vhci_hcd.0: port 0 already used #2: 00000000cdd92234 (&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: disconnect device 3 locks held by syz-executor528/1553: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed #0: vhci_hcd vhci_hcd.0: port 0 already used 00000000d808908e (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] 00000000d808908e (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 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: release socket #2: 00000000de0893d1 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd vhci_hcd.0: port 0 already used 3 locks held by syz-executor528/1576: 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used #0: 00000000d808908e (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 00000000d808908e (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd: disconnect device #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 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 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: 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 #2: 0000000027f1f094 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 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 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 3 locks held by syz-executor528/1593: vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #2: 0000000027f1f094 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 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 3 locks held by syz-executor528/1606: vhci_hcd: release socket 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 #0: 00000000d808908e (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 00000000d808908e (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 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) #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 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(4) rhport(0) sockfd(3) vhci_hcd: stop threads vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) #2: 000000007a44100d (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd: release socket 3 locks held by syz-executor528/1616: 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 #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 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: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 vhci_hcd: release socket vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used #2: 0000000027f1f094 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 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 3 locks held by syz-executor528/1636: 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 3 locks held by syz-executor528/1641: vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used 3 locks held by syz-executor528/1643: vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: pdev(1) 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 #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd vhci_hcd.0: port 0 already used #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 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 0 already used vhci_hcd: connection closed #2: vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used 00000000de0893d1 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd vhci_hcd.0: pdev(5) 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 0 already used 3 locks held by syz-executor528/1659: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd vhci_hcd.0: port 0 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 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 #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 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 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 #2: 00000000cdd92234 (&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: stop threads 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: 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: disconnect device vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) 3 locks held by syz-executor528/1679: vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) #0: 00000000b71e1b49 (sb_writers#5){.+.+}, at: file_start_write include/linux/fs.h:2780 [inline] #0: 00000000b71e1b49 (sb_writers#5){.+.+}, at: vfs_write+0x463/0x540 fs/read_write.c:548 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads 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 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: release socket vhci_hcd vhci_hcd.0: port 0 already used #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 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 vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd vhci_hcd.0: port 0 already used #2: 00000000de0893d1 (&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: 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: release socket vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: port 0 already used 3 locks held by syz-executor528/1707: vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 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 #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3) 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 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: connection closed #2: 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 00000000cdd92234 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd: stop threads vhci_hcd: connection closed 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) 3 locks held by syz-executor528/1725: 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 vhci_hcd.0: port 0 already used vhci_hcd: disconnect device #0: 00000000d808908e (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 00000000d808908e (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3) vhci_hcd: connection closed vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) #2: 0000000027f1f094 (&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 0 already used vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket 3 locks held by syz-executor528/1741: vhci_hcd vhci_hcd.0: port 0 already used #0: 00000000b71e1b49 (sb_writers#5){.+.+}, at: file_start_write include/linux/fs.h:2780 [inline] #0: 00000000b71e1b49 (sb_writers#5){.+.+}, at: vfs_write+0x463/0x540 fs/read_write.c:548 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(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: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed vhci_hcd: stop threads #1: 00000000d808908e (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #1: 00000000d808908e (&rq->lock){-.-.}, at: ttwu_queue kernel/sched/core.c:1841 [inline] #1: 00000000d808908e (&rq->lock){-.-.}, at: try_to_wake_up+0x783/0x12b0 kernel/sched/core.c:2052 vhci_hcd: release socket #2: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #2: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used 3 locks held by syz-executor528/1752: 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: 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 #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 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: port 0 already used vhci_hcd: release socket vhci_hcd vhci_hcd.0: port 0 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: disconnect device vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd vhci_hcd.0: port 0 already used 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 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 0 already used #2: 00000000de0893d1 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 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 0 already used vhci_hcd: release socket 3 locks held by syz-executor528/1778: 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 #0: 0000000034e07c2d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 0000000034e07c2d (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: connection closed #1: vhci_hcd: stop threads vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 vhci_hcd: disconnect device #2: 00000000a0a0e80b (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 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 0 already used vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3) 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: 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: disconnect device vhci_hcd vhci_hcd.0: port 0 already used 3 locks held by syz-executor528/1796: vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads #0: 00000000b71e1b49 (sb_writers#5){.+.+}, at: file_start_write include/linux/fs.h:2780 [inline] #0: 00000000b71e1b49 (sb_writers#5){.+.+}, at: vfs_write+0x463/0x540 fs/read_write.c:548 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 #1: vhci_hcd: release socket 00000000b884abf9 (&of->mutex){+.+.}, at: kernfs_fop_write+0x200/0x470 fs/kernfs/file.c:307 vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3) vhci_hcd: connection closed 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 #2: 0000000027f1f094 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 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 3 locks held by syz-executor528/1809: vhci_hcd: stop threads 3 locks held by syz-executor528/1813: 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: pdev(5) rhport(0) sockfd(3) 3 locks held by syz-executor528/1817: vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) vhci_hcd: disconnect device vhci_hcd: connection closed 3 locks held by syz-executor528/1819: 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 #0: 00000000b71e1b49 (sb_writers#5){.+.+}, at: file_start_write include/linux/fs.h:2780 [inline] #0: 00000000b71e1b49 (sb_writers#5){.+.+}, at: vfs_write+0x463/0x540 fs/read_write.c:548 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: connection closed vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 vhci_hcd vhci_hcd.0: port 0 already used #2: 000000007a44100d (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd: disconnect device vhci_hcd: connection closed 1 lock held by syz-executor528/1834: 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: stop threads #0: 00000000d808908e (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 00000000d808908e (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 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 0 already used vhci_hcd vhci_hcd.0: port 0 already used vhci_hcd: release socket 3 locks held by syz-executor528/1842: vhci_hcd vhci_hcd.0: port 0 already used 3 locks held by syz-executor528/1843: 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 3 locks held by syz-executor528/1848: 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 0 already used vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) #0: 00000000d808908e (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1823 [inline] #0: 00000000d808908e (&rq->lock){-.-.}, at: __schedule+0x257/0x22e0 kernel/sched/core.c:3455 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 #1: 00000000a387eb56 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a387eb56 (rcu_read_lock){....}, at: update_curr+0x2c3/0x8b0 kernel/sched/fair.c:857 vhci_hcd: disconnect device vhci_hcd: connection closed #2: 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 0 already used 0000000001c37d81 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120 vhci_hcd: stop threads 1 lock held by syz-executor528/1863: 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: 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: disconnect device vhci_hcd vhci_hcd.0: port 0 already used NMI backtrace for cpu 0 CPU: 0 PID: 1095 Comm: khungtaskd Not tainted 4.19.149-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x18/0x3d lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1eb lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0xa62/0x1020 kernel/hung_task.c:287 vhci_hcd: connection closed kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 6504 Comm: syz-executor528 Not tainted 4.19.149-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:jhash2 include/linux/jhash.h:128 [inline] RIP: 0010:hash_stack lib/stackdepot.c:165 [inline] RIP: 0010:depot_save_stack+0xc7/0x564 lib/stackdepot.c:234 Code: 01 d0 c1 c3 08 44 31 db 41 89 db 41 29 da 01 c3 41 c1 c3 10 45 31 da 45 89 d3 44 29 d0 41 01 da 41 c1 cb 0d 44 31 d8 41 89 c3 <29> c3 44 01 d0 41 c1 c3 04 44 31 db 41 83 f9 03 77 86 41 83 f9 02 RSP: 0018:ffff8880886d77f8 EFLAGS: 00000282 RAX: 00000000e2e948cd RBX: 00000000383039bb RCX: ffff8880886d7888 RDX: ffff8880886d78ac RSI: 0000000000000007 RDI: 0000000000000007 RBP: 00000000a23ddf1c R08: 0000000000400200 R09: 0000000000000005 R10: 000000009d14b31c R11: 00000000e2e948cd R12: ffff8880886d7870 R13: 0000000000000000 R14: ffff88812c25ab00 R15: 0000000000000050 FS: 000000000105d880(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000046c0e0 CR3: 00000000a8451000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: save_stack mm/kasan/kasan.c:454 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0x139/0x160 mm/kasan/kasan.c:553 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x114/0x4a0 mm/slab.c:3557 anon_vma_chain_alloc mm/rmap.c:129 [inline] anon_vma_clone+0xe0/0x5e0 mm/rmap.c:269 anon_vma_fork+0x82/0x630 mm/rmap.c:332 dup_mmap kernel/fork.c:504 [inline] dup_mm kernel/fork.c:1288 [inline] copy_mm kernel/fork.c:1344 [inline] copy_process.part.0+0x3616/0x7fb0 kernel/fork.c:1897 copy_process kernel/fork.c:1694 [inline] _do_fork+0x22f/0x1020 kernel/fork.c:2207 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x43fc0a Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 RSP: 002b:00007ffd3fa9ce80 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043fc0a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffd3fa9cea0 R08: 0000000000001968 R09: 000000000105d880 R10: 000000000105db50 R11: 0000000000000246 R12: 0000000000001968 R13: 00000000004020f0 R14: 0000000000000000 R15: 0000000000000000