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INFO: task hung in usb_get_descriptor

Status: upstream: reported C repro on 2020/10/03 12:49
Reported-by: syzbot+7f70f05581ec61b352d3@syzkaller.appspotmail.com
First crash: 1300d, last: 419d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in usb_get_descriptor (2) usb C inconclusive 862 43d 490d 0/26 upstream: reported C repro on 2022/12/22 05:53
upstream INFO: task hung in usb_get_descriptor C done done 4149 775d 1297d 20/26 fixed on 2022/05/13 11:13
linux-4.14 INFO: task hung in usb_get_descriptor C error 1317 762d 1300d 0/1 upstream: reported C repro on 2020/10/03 17:33
linux-5.15 INFO: task hung in usb_get_descriptor origin:upstream C error 41 289d 387d 0/3 upstream: reported C repro on 2023/04/04 12:58
linux-6.1 INFO: task hung in usb_get_descriptor origin:upstream C 6 23h38m 391d 0/3 upstream: reported C repro on 2023/03/31 13:11
▶ ▼ Fix bisection attempts (2)
Created Duration User Patch Repo Result
2022/03/08 07:40 10m bisect fix linux-4.19.y error job log (0)
2021/05/05 12:29 27m bisect fix linux-4.19.y job log (0) log

Sample crash report:
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
INFO: task kworker/1:2:2964 blocked for more than 140 seconds.
vhci_hcd: release socket
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(4) speed_str(wireless)
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
      Not tainted 4.19.172-syzkaller #0
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: 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(4) speed_str(wireless)
vhci_hcd: disconnect device
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
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(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
kworker/1:2     D27288  2964      2 0x80000000
vhci_hcd: release socket
Workqueue: usb_hub_wq hub_event
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
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+0x887/0x2040 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 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(4) speed_str(wireless)
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
 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: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
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(4) speed_str(wireless)
vhci_hcd: disconnect device
 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692
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: pdev(0) rhport(0) sockfd(3)
 usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: 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 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(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
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: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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 vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: connection closed
vhci_hcd: connection closed
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 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
 usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:926
vhci_hcd: stop threads
vhci_hcd: release socket
 hub_port_init+0x74b/0x2fa0 drivers/usb/core/hub.c:4749
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+0x1cd4/0x43e0 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 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(4) speed_str(wireless)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: stop threads
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
 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: pdev(0) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
 kthread+0x33f/0x460 kernel/kthread.c:259
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: connection closed
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
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(4) speed_str(wireless)
INFO: task kworker/0:1:8098 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
      Not tainted 4.19.172-syzkaller #0
vhci_hcd: release socket
vhci_hcd: connection closed
"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: pdev(1) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
kworker/0:1     D27680  8098      2 0x80000000
vhci_hcd: stop threads
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
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(2) rhport(0) sockfd(3)
Workqueue: usb_hub_wq hub_event
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
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: stop threads
Call Trace:
vhci_hcd: release socket
 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 0 already used
vhci_hcd: disconnect device
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
 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: connection closed
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: 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: 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: 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(4) speed_str(wireless)
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
 usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: 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: port 0 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(4) speed_str(wireless)
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: port 0 already used
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
 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: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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(4) speed_str(wireless)
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: disconnect device
 hub_port_init+0x12dc/0x2fa0 drivers/usb/core/hub.c:4654
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: 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: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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+0x1cd4/0x43e0 drivers/usb/core/hub.c:5391
vhci_hcd: disconnect device
vhci_hcd: connection closed
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(4) speed_str(wireless)
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: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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 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
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
vhci_hcd vhci_hcd.0: port 0 already used
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: 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(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: stop threads
vhci_hcd: release socket
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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(4) speed_str(wireless)
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/1:3:8143 blocked for more than 140 seconds.
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
      Not tainted 4.19.172-syzkaller #0
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
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
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
kworker/1:3     D27544  8143      2 0x80000000
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
Workqueue: usb_hub_wq hub_event
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(4) speed_str(wireless)
Call Trace:
vhci_hcd: connection closed
 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: 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: connection closed
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
 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: 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: stop threads
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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(4) speed_str(wireless)
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: stop threads
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(4) speed_str(wireless)
 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692
vhci_hcd vhci_hcd.0: port 0 already used
 usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63
vhci_hcd: disconnect device
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(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
vhci_hcd: stop threads
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
 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 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: devid(0) speed(4) speed_str(wireless)
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
 usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:654
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
 usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:926
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+0x74b/0x2fa0 drivers/usb/core/hub.c:4749
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(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
 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+0x1cd4/0x43e0 drivers/usb/core/hub.c:5391
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
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: 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: pdev(5) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
 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: pdev(4) rhport(0) sockfd(3)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
 kthread+0x33f/0x460 kernel/kthread.c:259
vhci_hcd: disconnect device
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: release socket
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
INFO: task kworker/1:4:8148 blocked for more than 140 seconds.
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
      Not tainted 4.19.172-syzkaller #0
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd: connection closed
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
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
kworker/1:4     D27760  8148      2 0x80000000
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: 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: pdev(2) rhport(0) sockfd(3)
Call Trace:
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
 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: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
 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 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(4) speed_str(wireless)
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: pdev(4) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
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 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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
 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 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
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
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(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
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 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 vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 hub_port_init+0x12dc/0x2fa0 drivers/usb/core/hub.c:4654
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+0x1cd4/0x43e0 drivers/usb/core/hub.c:5391
vhci_hcd: stop threads
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: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
 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: 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: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: stop threads
 kthread+0x33f/0x460 kernel/kthread.c:259
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(4) speed_str(wireless)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
 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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
INFO: task kworker/0:2:8152 blocked for more than 140 seconds.
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
      Not tainted 4.19.172-syzkaller #0
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
vhci_hcd: connection closed
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(4) speed_str(wireless)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
kworker/0:2     D28128  8152      2 0x80000000
vhci_hcd vhci_hcd.0: port 0 already used
Workqueue: usb_hub_wq hub_event
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: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd: disconnect device
Call Trace:
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
 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 vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: stop threads
 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: release socket
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd: stop threads
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(4) speed_str(wireless)
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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
 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 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 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: 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(4) speed_str(wireless)
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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd: disconnect device
 hub_port_init+0x12dc/0x2fa0 drivers/usb/core/hub.c:4654
 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+0x1cd4/0x43e0 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: pdev(3) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd: release socket
vhci_hcd: disconnect device
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
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 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
 process_scheduled_works kernel/workqueue.c:2214 [inline]
 worker_thread+0x82b/0x1130 kernel/workqueue.c:2300
vhci_hcd: connection closed
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd: connection closed
vhci_hcd: disconnect device
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
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(4) speed_str(wireless)
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(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
INFO: task kworker/0:3:24690 blocked for more than 140 seconds.
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
      Not tainted 4.19.172-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: release socket
vhci_hcd: connection closed
vhci_hcd: connection closed
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
vhci_hcd vhci_hcd.0: port 0 already used
kworker/0:3     D28128 24690      2 0x80000000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: release socket
vhci_hcd: disconnect device
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(4) speed_str(wireless)
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)
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697
vhci_hcd: release socket
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: 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: disconnect device
 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692
vhci_hcd: stop threads
vhci_hcd: release socket
 usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63
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: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: connection closed
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(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
 usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:654
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
 usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:926
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(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
 hub_port_init+0x74b/0x2fa0 drivers/usb/core/hub.c:4749
 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+0x1cd4/0x43e0 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: release socket
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: pdev(0) rhport(0) sockfd(3)
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: port 0 already used
vhci_hcd: connection closed
vhci_hcd: disconnect device
 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: pdev(3) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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(2) rhport(0) sockfd(3)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
 kthread+0x33f/0x460 kernel/kthread.c:259
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(4) speed_str(wireless)
vhci_hcd: connection closed
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

Showing all locks held in the system:
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 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: stop threads
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
2 locks held by kworker/u4:1/23:
vhci_hcd: connection closed
vhci_hcd: connection closed
vhci_hcd: release socket
1 lock held by khungtaskd/1565:
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: stop threads
 #0: 0000000019ab127e (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4440
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
5 locks held by kworker/1:2/2964:
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 00000000df3cf6c9 ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126
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
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
 #1: 000000001aa58d6b ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
 #2: 0000000071e9ae4a (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline]
 #2: 0000000071e9ae4a (&dev->mutex){....}, at: hub_event+0x11e/0x43e0 drivers/usb/core/hub.c:5337
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(3) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
 #3: 00000000ea35e728 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline]
 #3: 00000000ea35e728 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline]
 #3: 00000000ea35e728 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline]
 #3: 00000000ea35e728 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline]
 #3: 00000000ea35e728 (&port_dev->status_lock){+.+.}, at: hub_event+0x1cbf/0x43e0 drivers/usb/core/hub.c:5391
 #4: 0000000007bdc0c1 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x2fa0 drivers/usb/core/hub.c:4528
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
1 lock held by in:imklog/7793:
vhci_hcd: connection closed
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(4) speed_str(wireless)
 #0: 0000000077999684 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
vhci_hcd: stop threads
5 locks held by kworker/0:1/8098:
vhci_hcd: release socket
 #0: 00000000df3cf6c9 ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126
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 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
 #1: 00000000b9dd45bc ((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: stop threads
 #2: 00000000205dd2e7 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline]
 #2: 00000000205dd2e7 (&dev->mutex){....}, at: hub_event+0x11e/0x43e0 drivers/usb/core/hub.c:5337
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
 #3: 000000006b11b9b2 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline]
 #3: 000000006b11b9b2 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline]
 #3: 000000006b11b9b2 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline]
 #3: 000000006b11b9b2 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline]
 #3: 000000006b11b9b2 (&port_dev->status_lock){+.+.}, at: hub_event+0x1cbf/0x43e0 drivers/usb/core/hub.c:5391
 #4: 000000005f147bc2 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x2fa0 drivers/usb/core/hub.c:4528
5 locks held by kworker/1:3/8143:
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(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 00000000df3cf6c9 ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126
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
 #1: 
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
0000000082672590 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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(3) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd: connection closed
 #2: 
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: 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(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
00000000c352e393 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline]
00000000c352e393 (&dev->mutex){....}, at: hub_event+0x11e/0x43e0 drivers/usb/core/hub.c:5337
vhci_hcd: release socket
 #3: 000000009d4ed90b (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline]
 #3: 000000009d4ed90b (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline]
 #3: 000000009d4ed90b (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline]
 #3: 000000009d4ed90b (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline]
 #3: 000000009d4ed90b (&port_dev->status_lock){+.+.}, at: hub_event+0x1cbf/0x43e0 drivers/usb/core/hub.c:5391
vhci_hcd vhci_hcd.0: port 0 already used
 #4: 0000000003ae90f1 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x2fa0 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: 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
5 locks held by kworker/1:4/8148:
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 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
 #0: 00000000df3cf6c9 ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 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: pdev(5) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
 #1: 00000000c0bbf58a ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130
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
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: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
 #2: 0000000081fc2581 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline]
 #2: 0000000081fc2581 (&dev->mutex){....}, at: hub_event+0x11e/0x43e0 drivers/usb/core/hub.c:5337
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: connection closed
 #3: 
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
00000000d4cf5887 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline]
00000000d4cf5887 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline]
00000000d4cf5887 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline]
00000000d4cf5887 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline]
00000000d4cf5887 (&port_dev->status_lock){+.+.}, at: hub_event+0x1cbf/0x43e0 drivers/usb/core/hub.c:5391
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
 #4: 00000000b63c9f17 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x2fa0 drivers/usb/core/hub.c:4528
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(4) speed_str(wireless)
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(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
5 locks held by kworker/0:2/8152:
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
 #0: 00000000df3cf6c9 ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd: release socket
 #1: 000000006ee16009 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
 #2: 0000000043769653 (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline]
 #2: 0000000043769653 (&dev->mutex){....}, at: hub_event+0x11e/0x43e0 drivers/usb/core/hub.c:5337
vhci_hcd vhci_hcd.0: port 0 already used
 #3: 000000002f455dee (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline]
 #3: 000000002f455dee (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline]
 #3: 000000002f455dee (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline]
 #3: 000000002f455dee (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline]
 #3: 000000002f455dee (&port_dev->status_lock){+.+.}, at: hub_event+0x1cbf/0x43e0 drivers/usb/core/hub.c:5391
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
 #4: 
vhci_hcd vhci_hcd.0: port 0 already used
000000006c9418e3 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x2fa0 drivers/usb/core/hub.c:4528
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: port 0 already used
5 locks held by kworker/0:3/24690:
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(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
 #0: 00000000df3cf6c9 ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: 000000000d742f51 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130
vhci_hcd: connection closed
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
 #2: 00000000f16b23fd (&dev->mutex){....}, at: device_lock include/linux/device.h:1173 [inline]
 #2: 00000000f16b23fd (&dev->mutex){....}, at: hub_event+0x11e/0x43e0 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(4) speed_str(wireless)
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 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
 #3: 0000000051755c89 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2977 [inline]
 #3: 0000000051755c89 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5019 [inline]
 #3: 0000000051755c89 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5203 [inline]
 #3: 0000000051755c89 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5311 [inline]
 #3: 0000000051755c89 (&port_dev->status_lock){+.+.}, at: hub_event+0x1cbf/0x43e0 drivers/usb/core/hub.c:5391
vhci_hcd vhci_hcd.0: port 0 already used
 #4: 00000000193bd0cd (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x2fa0 drivers/usb/core/hub.c:4528
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
4 locks held by syz-executor038/12247:
vhci_hcd: release socket
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 0000000055c75650 (&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: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
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(4) speed_str(wireless)
vhci_hcd: release socket
 #2: 000000002d7d92e7 (&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(1) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
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(4) speed_str(wireless)
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
 #3: 
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: stop threads
vhci_hcd: connection closed
00000000d5dd028e
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
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(4) speed_str(wireless)
vhci_hcd: disconnect device
4 locks held by syz-executor038/12288:
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
vhci_hcd: stop threads
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (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: pdev(2) rhport(0) sockfd(3)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
 #2: 000000006d8c2042 (&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: 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: stop threads
 #3: 000000001c7c8d2e (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 000000001c7c8d2e (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
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(4) speed_str(wireless)
vhci_hcd: connection closed
4 locks held by syz-executor038/12304:
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
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
vhci_hcd: stop threads
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
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
 #2: 000000002d7d92e7 (&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: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
 #3: 00000000e1667490 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 00000000e1667490 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
vhci_hcd: disconnect device
4 locks held by syz-executor038/12342:
vhci_hcd vhci_hcd.0: port 0 already used
4 locks held by syz-executor038/12343:
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 000000000108c126 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 000000000108c126 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
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
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
000000006161158b (&(&(&sig->stats_lock)->lock)->rlock){....}, at: spin_lock include/linux/spinlock.h:329 [inline]
000000006161158b (&(&(&sig->stats_lock)->lock)->rlock){....}, at: write_seqlock include/linux/seqlock.h:455 [inline]
000000006161158b (&(&(&sig->stats_lock)->lock)->rlock){....}, at: __exit_signal kernel/exit.c:143 [inline]
000000006161158b (&(&(&sig->stats_lock)->lock)->rlock){....}, at: release_task+0x4cc/0x1480 kernel/exit.c:201
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
 #3: 0000000019f85c58 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 0000000019f85c58 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
4 locks held by syz-executor038/12383:
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
4 locks held by syz-executor038/12389:
vhci_hcd: release socket
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
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: pdev(2) rhport(0) sockfd(3)
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: 000000006d8c2042 (&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: disconnect device
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
 #3: 00000000294fa1b6 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 00000000294fa1b6 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: connection closed
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
4 locks held by syz-executor038/12415:
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 0000000026034d03 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(3)
vhci_hcd: connection closed
 #1: 
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
0000000019ab127e (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: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
 #2: 0000000040d18aee (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120
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
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
 #3: 000000009825f346 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 000000009825f346 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
4 locks held by syz-executor038/12448:
vhci_hcd: disconnect device
 #0: 000000000108c126 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 000000000108c126 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (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 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: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd: release socket
vhci_hcd: disconnect device
 #2: 0000000031b96248 (&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(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
 #3: 0000000017c8f0b3 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 0000000017c8f0b3 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
vhci_hcd: release socket
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 0 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(4) speed_str(wireless)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
4 locks held by syz-executor038/12493:
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: port 0 already used
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
 #0: 000000000108c126 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 000000000108c126 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd: disconnect device
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd: connection closed
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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
 #2: 00000000aa20d61a (&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: 00000000c4b730ea (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 00000000c4b730ea (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
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(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
4 locks held by syz-executor038/12523:
vhci_hcd: disconnect device
vhci_hcd: connection closed
4 locks held by syz-executor038/12526:
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 0000000028370385 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 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
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
vhci_hcd: stop threads
vhci_hcd: connection closed
 #2: 
vhci_hcd vhci_hcd.0: port 0 already used
000000006d8c2042 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120
vhci_hcd: release socket
 #3: 00000000d8a41133 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 00000000d8a41133 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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(4) speed_str(wireless)
4 locks held by syz-executor038/12544:
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 locks held by syz-executor038/12545:
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 000000004414ae8b (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
vhci_hcd: disconnect device
 #1: 0000000060d57b97 (sb_writers#5){.+.+}, at: file_start_write include/linux/fs.h:2779 [inline]
 #1: 0000000060d57b97 (sb_writers#5){.+.+}, at: vfs_write+0x463/0x540 fs/read_write.c:548
vhci_hcd vhci_hcd.0: port 0 already used
 #2: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #2: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
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
 #3: 00000000fca11a16 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 00000000fca11a16 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
4 locks held by syz-executor038/12561:
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
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(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
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(4) speed_str(wireless)
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
 #2: 00000000aa20d61a (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120
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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 #3: 00000000533d3ea7 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 00000000533d3ea7 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
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
7 locks held by syz-executor038/12607:
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 000000000108c126 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 000000000108c126 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
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(4) speed_str(wireless)
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
vhci_hcd vhci_hcd.0: port 0 already used
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
vhci_hcd vhci_hcd.0: port 0 already used
 #2: 000000006d8c2042 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120
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: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
 #3: 0000000091b68325 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 0000000091b68325 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
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: 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
 #4: 00000000ff8700df (&obj_hash[i].lock){-.-.}, at: debug_object_active_state lib/debugobjects.c:725 [inline]
 #4: 00000000ff8700df (&obj_hash[i].lock){-.-.}, at: debug_object_active_state+0x104/0x330 lib/debugobjects.c:713
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(4) speed_str(wireless)
vhci_hcd: disconnect device
 #5: 000000003b3650c4 (pool_lock){-.-.}, at: alloc_object lib/debugobjects.c:174 [inline]
 #5: 000000003b3650c4 (pool_lock){-.-.}, at: __debug_object_init+0x145/0x9b0 lib/debugobjects.c:387
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 #6: 00000000455adf8d (console_owner_lock){....}, at: console_lock_spinning_disable_and_check kernel/printk/printk.c:1649 [inline]
 #6: 00000000455adf8d (console_owner_lock){....}, at: console_unlock+0x9bd/0x1110 kernel/printk/printk.c:2463
vhci_hcd vhci_hcd.0: port 0 already used
4 locks held by syz-executor038/12667:
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd: release socket
4 locks held by syz-executor038/12677:
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: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 000000000108c126 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 000000000108c126 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (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: pdev(4) rhport(0) sockfd(3)
 #2: 0000000031b96248 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd: disconnect device
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 #3: 000000007d3e8ccd (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 000000007d3e8ccd (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
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
4 locks held by syz-executor038/12703:
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 0000000025a77f98 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
vhci_hcd: disconnect device
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 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: release socket
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
vhci_hcd: disconnect device
 #2: 0000000040d18aee (&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: pdev(3) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 #3: 00000000693a0a4a (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 00000000693a0a4a (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
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: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
4 locks held by syz-executor038/12745:
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 0000000055c75650 (&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: 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: 0000000080c12484 (&cfs_rq->removed.lock){-.-.}, at: update_cfs_rq_load_avg kernel/sched/fair.c:3490 [inline]
 #1: 0000000080c12484 (&cfs_rq->removed.lock){-.-.}, at: update_load_avg kernel/sched/fair.c:3612 [inline]
 #1: 0000000080c12484 (&cfs_rq->removed.lock){-.-.}, at: dequeue_entity+0x52d/0x2800 kernel/sched/fair.c:4058
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
 #2: 
vhci_hcd: release socket
000000004c96ac23 (&sig->wait_chldexit){....}, at: __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:120
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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: 0000000049a9d58e (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 0000000049a9d58e (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
vhci_hcd vhci_hcd.0: port 0 already used
4 locks held by syz-executor038/12768:
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(4) speed_str(wireless)
vhci_hcd: disconnect device
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: 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(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd: release socket
0000000055c75650 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
0000000055c75650 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 #1: 0000000019ab127e (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 0000000019ab127e (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
vhci_hcd vhci_hcd.0: port 0 already used
 #2: 000000004c96ac23 (&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: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
 #3: 000000006ec54476 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 000000006ec54476 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
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(4) speed_str(wireless)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
4 locks held by syz-executor038/12809:
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 #0: 0000000055c75650 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 0000000055c75650 (&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: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
 #1: 0000000080c12484 (&cfs_rq->removed.lock){-.-.}, at: update_cfs_rq_load_avg kernel/sched/fair.c:3490 [inline]
 #1: 0000000080c12484 (&cfs_rq->removed.lock){-.-.}, at: update_load_avg kernel/sched/fair.c:3612 [inline]
 #1: 0000000080c12484 (&cfs_rq->removed.lock){-.-.}, at: dequeue_entity+0x52d/0x2800 kernel/sched/fair.c:4058
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(4) speed_str(wireless)
 #2: 00000000aa20d61a (&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
 #3: 000000001376cf33 (&(&sig->stats_lock)->seqcount){....}, at: exit_notify kernel/exit.c:745 [inline]
 #3: 000000001376cf33 (&(&sig->stats_lock)->seqcount){....}, at: do_exit+0x15be/0x2be0 kernel/exit.c:890
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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
4 locks held by syz-executor038/12844:
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
 #0: 000000000108c126 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1824 [inline]
 #0: 000000000108c126 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
vhci_hcd vhci_hcd.0: devid(0) speed(4) speed_str(wireless)
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 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd: connection closed
vhci_hcd: connection closed
 #1: 
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: pdev(4) rhport(0) sockfd(3)

Crashes (1055):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/01/31 21:42 linux-4.19.y 811218eceeaa fc9fd31e .config console log report syz C ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/01/23 11:05 linux-4.19.y 43d555d83c3f 52e37319 .config console log report syz C ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/01/16 13:43 linux-4.19.y 675cc038067f 65a7a854 .config console log report syz C ci2-linux-4-19
2021/01/03 12:58 linux-4.19.y 3207316b3bee 79264ae3 .config console log report syz C ci2-linux-4-19
2020/12/26 21:35 linux-4.19.y 13d2ce42de8c 821e0b09 .config console log report syz C ci2-linux-4-19
2020/12/23 06:46 linux-4.19.y 13d2ce42de8c 04201c06 .config console log report syz C ci2-linux-4-19
2020/12/16 10:28 linux-4.19.y 13d2ce42de8c 649595c6 .config console log report syz C ci2-linux-4-19
2020/11/28 06:15 linux-4.19.y 0c88e405c97e 486f93ef .config console log report syz C ci2-linux-4-19
2020/11/19 22:37 linux-4.19.y 2c746135a12e 0767f13f .config console log report syz C ci2-linux-4-19
2020/11/05 16:15 linux-4.19.y b94de4d19498 cba33199 .config console log report syz C ci2-linux-4-19
2020/11/05 01:56 linux-4.19.y f5d8eef067ac cba33199 .config console log report syz C ci2-linux-4-19
2020/11/04 08:45 linux-4.19.y f5d8eef067ac cba33199 .config console log report syz C ci2-linux-4-19
2020/11/04 05:11 linux-4.19.y f5d8eef067ac cba33199 .config console log report syz C ci2-linux-4-19
2020/11/04 01:35 linux-4.19.y f5d8eef067ac cba33199 .config console log report syz C ci2-linux-4-19
2020/11/04 00:15 linux-4.19.y f5d8eef067ac cba33199 .config console log report syz C ci2-linux-4-19
2020/11/03 07:43 linux-4.19.y f5d8eef067ac 7f344fa6 .config console log report syz C ci2-linux-4-19
2020/11/02 20:04 linux-4.19.y f5d8eef067ac 8bc4594f .config console log report syz C ci2-linux-4-19
2020/11/02 02:06 linux-4.19.y f5d8eef067ac 8bc4594f .config console log report syz C ci2-linux-4-19
2020/11/01 10:06 linux-4.19.y f5d8eef067ac 8bc4594f .config console log report syz C ci2-linux-4-19
2020/10/31 21:48 linux-4.19.y f5d8eef067ac 8bc4594f .config console log report syz C ci2-linux-4-19
2020/10/31 14:29 linux-4.19.y f5d8eef067ac 8bc4594f .config console log report syz C ci2-linux-4-19
2020/10/31 10:05 linux-4.19.y f5d8eef067ac 18e33098 .config console log report syz C ci2-linux-4-19
2020/10/31 05:43 linux-4.19.y f5d8eef067ac 18e33098 .config console log report syz C ci2-linux-4-19
2020/10/30 07:20 linux-4.19.y 79524e8c64bd a0c7169a .config console log report syz C ci2-linux-4-19
2020/10/29 21:00 linux-4.19.y 79524e8c64bd a0c7169a .config console log report syz C ci2-linux-4-19
2020/10/29 13:58 linux-4.19.y 79524e8c64bd f24824d3 .config console log report syz C ci2-linux-4-19
2020/10/29 05:28 linux-4.19.y ad326970d25c f24824d3 .config console log report syz C ci2-linux-4-19
2020/10/29 00:17 linux-4.19.y ad326970d25c f24824d3 .config console log report syz C ci2-linux-4-19
2020/10/28 12:22 linux-4.19.y ad326970d25c 96e03c1c .config console log report syz C ci2-linux-4-19
2020/10/28 05:48 linux-4.19.y ad326970d25c 96e03c1c .config console log report syz C ci2-linux-4-19
2020/10/27 16:27 linux-4.19.y ad326970d25c 94942294 .config console log report syz C ci2-linux-4-19
2020/10/27 13:54 linux-4.19.y ad326970d25c 94942294 .config console log report syz C ci2-linux-4-19
2020/10/27 02:58 linux-4.19.y ad326970d25c 8b3eaf58 .config console log report syz C ci2-linux-4-19
2020/10/15 04:50 linux-4.19.y a1b977b49b66 fc7735a2 .config console log report syz C ci2-linux-4-19
2020/10/03 12:48 linux-4.19.y b09c34517e1a 2653fa43 .config console log report syz C ci2-linux-4-19
2021/01/12 18:10 linux-4.19.y 610bdbf6a174 2c1f2513 .config console log report syz ci2-linux-4-19
2020/11/04 06:47 linux-4.19.y f5d8eef067ac cba33199 .config console log report syz ci2-linux-4-19
2020/10/30 04:04 linux-4.19.y 79524e8c64bd a0c7169a .config console log report syz ci2-linux-4-19
2023/03/03 03:26 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2023/02/07 17:06 linux-4.19.y 3f8a27f9e27b 5bc3be51 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2023/01/26 16:03 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2023/01/26 12:32 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/12/29 15:28 linux-4.19.y 3f8a27f9e27b 44712fbc .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/12/08 23:57 linux-4.19.y 3f8a27f9e27b 1034e5fa .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/12/08 02:39 linux-4.19.y 3f8a27f9e27b d88f3abb .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/12/04 22:25 linux-4.19.y 3f8a27f9e27b e080de16 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/11/16 18:33 linux-4.19.y 3f8a27f9e27b 3a127a31 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/09/27 13:34 linux-4.19.y 3f8a27f9e27b 10323ddf .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/09/23 14:04 linux-4.19.y 3f8a27f9e27b 0042f2b4 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/09/21 12:10 linux-4.19.y 3f8a27f9e27b 380f82fb .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/09/03 22:01 linux-4.19.y 3f8a27f9e27b 28811d0a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/08/16 23:48 linux-4.19.y 3f8a27f9e27b 9e4b39c2 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/07/28 20:55 linux-4.19.y 3f8a27f9e27b fb95c74d .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/07/28 10:52 linux-4.19.y 3f8a27f9e27b fb95c74d .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/07/22 22:21 linux-4.19.y 3f8a27f9e27b 22343af4 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/02/06 02:53 linux-4.19.y 3f8a27f9e27b a7dab638 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/01/15 07:03 linux-4.19.y 3f8a27f9e27b 723cfaf0 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/01/13 04:24 linux-4.19.y 3f8a27f9e27b 44d1319a .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/01/09 02:13 linux-4.19.y 3f8a27f9e27b 2ca0d385 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/01/03 04:34 linux-4.19.y 3f8a27f9e27b e1768e9c .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2022/01/01 16:17 linux-4.19.y 3f8a27f9e27b e1768e9c .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/31 20:53 linux-4.19.y 3f8a27f9e27b 36bd2e48 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/23 06:38 linux-4.19.y 3f8a27f9e27b 6caa12e4 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/11 21:08 linux-4.19.y 3f8a27f9e27b 49ca1f59 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/09 12:16 linux-4.19.y 3f8a27f9e27b a4a2a501 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/09 09:43 linux-4.19.y 3f8a27f9e27b a4a2a501 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/06 21:21 linux-4.19.y 3f8a27f9e27b 579a8754 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/05 13:48 linux-4.19.y 3f8a27f9e27b a617004c .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/05 03:45 linux-4.19.y 3f8a27f9e27b a617004c .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/04 11:10 linux-4.19.y 3f8a27f9e27b a617004c .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/03 21:28 linux-4.19.y 3f8a27f9e27b c7c20675 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/02 20:21 linux-4.19.y 3f8a27f9e27b 61f86278 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/12/02 05:37 linux-4.19.y 3f8a27f9e27b 61f86278 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/30 16:22 linux-4.19.y 3f8a27f9e27b 80270552 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/24 20:47 linux-4.19.y 3f8a27f9e27b 545ab074 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/23 15:13 linux-4.19.y 3f8a27f9e27b 545ab074 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/23 13:23 linux-4.19.y 3f8a27f9e27b 545ab074 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/20 14:01 linux-4.19.y 3f8a27f9e27b 4eb20a4e .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/18 22:53 linux-4.19.y 3f8a27f9e27b 31a30fc0 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/18 10:38 linux-4.19.y 3f8a27f9e27b cafff8b6 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/17 20:42 linux-4.19.y 3f8a27f9e27b cafff8b6 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/17 16:13 linux-4.19.y 3f8a27f9e27b cafff8b6 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/17 03:07 linux-4.19.y 3f8a27f9e27b cafff8b6 .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/11/16 13:06 linux-4.19.y 3f8a27f9e27b 600426bd .config console log report info ci2-linux-4-19 INFO: task hung in usb_get_descriptor
2021/01/17 05:12 linux-4.19.y 675cc038067f 65a7a854 .config console log report info ci2-linux-4-19
* Struck through repros no longer work on HEAD.