syzbot

 sign-in | mailing list | source | docs
🐞 Open [717] 🐞 Fixed [181] 🐞 Invalid [640] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

INFO: task hung in hub_port_init

Status: upstream: reported C repro on 2020/10/03 08:19
Reported-by: syzbot+84efe2118f0c865caf18@syzkaller.appspotmail.com
First crash: 1294d, last: 530d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in hub_port_init C done 15888 891d 1291d 20/26 fixed on 2021/11/10 00:50
linux-5.15 INFO: task hung in hub_port_init origin:upstream C error 47 3d05h 374d 0/3 upstream: reported C repro on 2023/04/11 08:33
upstream INFO: task hung in hub_port_init (3) usb C error 640 36d 388d 0/26 upstream: reported C repro on 2023/03/28 12:23
upstream INFO: task hung in hub_port_init (2) usb C error 486 423d 885d 22/26 fixed on 2023/02/24 13:50
linux-4.19 INFO: task hung in hub_port_init C 4279 416d 1294d 0/1 upstream: reported C repro on 2020/10/03 09:24
linux-6.1 INFO: task hung in hub_port_init origin:upstream C 49 5d00h 404d 0/3 upstream: reported C repro on 2023/03/11 21:39
▶ ▼ Fix bisection attempts (10)
Created Duration User Patch Repo Result
2022/05/13 03:51 19m bisect fix linux-4.14.y error job log (0)
2022/04/13 03:19 31m bisect fix linux-4.14.y job log (0) log
2022/03/14 00:53 35m bisect fix linux-4.14.y job log (0) log
2022/02/11 14:43 31m bisect fix linux-4.14.y job log (0) log
2021/11/16 05:04 32m bisect fix linux-4.14.y job log (0) log
2021/10/17 04:30 33m bisect fix linux-4.14.y job log (0) log
2021/09/17 03:57 29m bisect fix linux-4.14.y job log (0) log
2021/08/18 03:05 35m bisect fix linux-4.14.y job log (0) log
2021/07/19 02:33 31m bisect fix linux-4.14.y job log (0) log
2021/06/19 02:03 29m bisect fix linux-4.14.y job log (0) log

Sample crash report:
vhci_hcd vhci_hcd.0: port 0 already used
INFO: task kworker/1:2:3458 blocked for more than 140 seconds.
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
      Not tainted 4.14.229-syzkaller #0
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
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
kworker/1:2     D27648  3458      2 0x80000000
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
Workqueue: usb_hub_wq hub_event
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: 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: 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(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
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 vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: 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
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
 usb_kill_urb.part.0+0x125/0x190 drivers/usb/core/urb.c:691
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
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
 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:686
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
 usb_start_wait_urb+0x209/0x440 drivers/usb/core/message.c:62
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_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 vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 usb_internal_control_msg drivers/usb/core/message.c:100 [inline]
 usb_control_msg+0x302/0x450 drivers/usb/core/message.c:151
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: 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: 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
 hub_port_init+0xfdc/0x2970 drivers/usb/core/hub.c:4555
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:4905 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5088 [inline]
 port_event drivers/usb/core/hub.c:5194 [inline]
 hub_event+0x18fd/0x3d70 drivers/usb/core/hub.c:5274
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: 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
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
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: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
 process_scheduled_works kernel/workqueue.c:2176 [inline]
 worker_thread+0x7d3/0xff0 kernel/workqueue.c:2252
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: 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
 kthread+0x30d/0x420 kernel/kthread.c:232
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: 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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
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(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
INFO: task kworker/1:1:7983 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: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
      Not tainted 4.14.229-syzkaller #0
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: 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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
kworker/1:1     D
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
28176  7983      2 0x80000000
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
Workqueue: usb_hub_wq hub_event
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
Call Trace:
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 vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: disconnect device
vhci_hcd: connection closed
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
vhci_hcd vhci_hcd.0: port 0 already used
 usb_kill_urb.part.0+0x125/0x190 drivers/usb/core/urb.c:691
 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:686
 usb_start_wait_urb+0x209/0x440 drivers/usb/core/message.c:62
vhci_hcd vhci_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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 usb_internal_control_msg drivers/usb/core/message.c:100 [inline]
 usb_control_msg+0x302/0x450 drivers/usb/core/message.c:151
 usb_get_descriptor+0xc0/0x160 drivers/usb/core/message.c:652
 usb_get_device_descriptor+0x71/0xd0 drivers/usb/core/message.c:924
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
 hub_port_init+0x629/0x2970 drivers/usb/core/hub.c:4647
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
 hub_port_connect drivers/usb/core/hub.c:4905 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5088 [inline]
 port_event drivers/usb/core/hub.c:5194 [inline]
 hub_event+0x18fd/0x3d70 drivers/usb/core/hub.c:5274
vhci_hcd vhci_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 vhci_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: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
vhci_hcd vhci_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: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
 process_scheduled_works kernel/workqueue.c:2176 [inline]
 worker_thread+0x7d3/0xff0 kernel/workqueue.c:2252
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
 kthread+0x30d/0x420 kernel/kthread.c:232
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 vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
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: devid(0) speed(3) speed_str(high-speed)
INFO: task kworker/0:0:8016 blocked for more than 140 seconds.
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
      Not tainted 4.14.229-syzkaller #0
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(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
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 vhci_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
kworker/0:0     D28088  8016      2 0x80000000
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
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 vhci_hcd.0: port 0 already used
Call Trace:
vhci_hcd vhci_hcd.0: port 0 already used
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
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(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
 usb_kill_urb.part.0+0x125/0x190 drivers/usb/core/urb.c:691
vhci_hcd vhci_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 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
 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:686
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 usb_start_wait_urb+0x209/0x440 drivers/usb/core/message.c:62
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: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 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
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: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
 usb_internal_control_msg drivers/usb/core/message.c:100 [inline]
 usb_control_msg+0x302/0x450 drivers/usb/core/message.c:151
vhci_hcd vhci_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: 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(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
 usb_get_descriptor+0xc0/0x160 drivers/usb/core/message.c:652
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
 usb_get_device_descriptor+0x71/0xd0 drivers/usb/core/message.c:924
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+0x629/0x2970 drivers/usb/core/hub.c:4647
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 hub_port_connect drivers/usb/core/hub.c:4905 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5088 [inline]
 port_event drivers/usb/core/hub.c:5194 [inline]
 hub_event+0x18fd/0x3d70 drivers/usb/core/hub.c:5274
vhci_hcd vhci_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 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(3) speed_str(high-speed)
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
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
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
 kthread+0x30d/0x420 kernel/kthread.c:232
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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
INFO: task kworker/1:0:8019 blocked for more than 140 seconds.
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
      Not tainted 4.14.229-syzkaller #0
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: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
kworker/1:0     D
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: 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 vhci_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
28152  8019      2 0x80000000
Workqueue: usb_hub_wq hub_event
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
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 vhci_hcd.0: port 0 already used
Call Trace:
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd 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: 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 vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: 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
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 usb_kill_urb.part.0+0x125/0x190 drivers/usb/core/urb.c:691
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 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: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: 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(1) rhport(0) sockfd(3)
 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:686
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
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
 usb_start_wait_urb+0x209/0x440 drivers/usb/core/message.c:62
vhci_hcd vhci_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 vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_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
 usb_internal_control_msg drivers/usb/core/message.c:100 [inline]
 usb_control_msg+0x302/0x450 drivers/usb/core/message.c:151
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd 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
 usb_get_descriptor+0xc0/0x160 drivers/usb/core/message.c:652
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
 usb_get_device_descriptor+0x71/0xd0 drivers/usb/core/message.c:924
vhci_hcd vhci_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: connection closed
 hub_port_init+0x629/0x2970 drivers/usb/core/hub.c:4647
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: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
 hub_port_connect drivers/usb/core/hub.c:4905 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5088 [inline]
 port_event drivers/usb/core/hub.c:5194 [inline]
 hub_event+0x18fd/0x3d70 drivers/usb/core/hub.c:5274
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
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 vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd: connection closed
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
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: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 kthread+0x30d/0x420 kernel/kthread.c:232
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: 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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
vhci_hcd vhci_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/1:4:8056 blocked for more than 140 seconds.
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
      Not tainted 4.14.229-syzkaller #0
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd: connection closed
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 vhci_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
kworker/1:4     D28640  8056      2 0x80000000
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)
Workqueue: usb_hub_wq hub_event
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 usb_kill_urb.part.0+0x125/0x190 drivers/usb/core/urb.c:691
vhci_hcd vhci_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 vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:686
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+0x209/0x440 drivers/usb/core/message.c:62
vhci_hcd vhci_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: release socket
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd 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: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: 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
 usb_internal_control_msg drivers/usb/core/message.c:100 [inline]
 usb_control_msg+0x302/0x450 drivers/usb/core/message.c:151
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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
 hub_port_init+0xfdc/0x2970 drivers/usb/core/hub.c:4555
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:4905 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5088 [inline]
 port_event drivers/usb/core/hub.c:5194 [inline]
 hub_event+0x18fd/0x3d70 drivers/usb/core/hub.c:5274
vhci_hcd vhci_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(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 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 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
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(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
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: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
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(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd 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: connection closed
 kthread+0x30d/0x420 kernel/kthread.c:232
vhci_hcd vhci_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
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404

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 vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: 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
1 lock held by khungtaskd/1528:
 #0:  (tasklist_lock){.+.+}, at: [<ffffffff87006f87>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
5 locks held by kworker/1:2/3458:
 #0:  ("usb_hub_wq"){+.+.}, at: [<ffffffff81363960>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&hub->events)){+.+.}, at: [<ffffffff81363996>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
 #2:  (&dev->mutex){....}, at: [<ffffffff8444ebb8>] device_lock include/linux/device.h:1081 [inline]
 #2:  (&dev->mutex){....}, at: [<ffffffff8444ebb8>] hub_event+0x108/0x3d70 drivers/usb/core/hub.c:5220
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] usb_lock_port drivers/usb/core/hub.c:2934 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_port_connect drivers/usb/core/hub.c:4904 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_port_connect_change drivers/usb/core/hub.c:5088 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] port_event drivers/usb/core/hub.c:5194 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_event+0x18e8/0x3d70 drivers/usb/core/hub.c:5274
 #4:  (hcd->address0_mutex){+.+.}, at: [<ffffffff844446bb>] hub_port_init+0x15b/0x2970 drivers/usb/core/hub.c:4429
5 locks held by kworker/1:1/7983:
 #0:  ("usb_hub_wq"){+.+.}, at: [<ffffffff81363960>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&hub->events)){+.+.}, at: [<ffffffff81363996>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
 #2:  (&dev->mutex){....}, at: [<ffffffff8444ebb8>] device_lock include/linux/device.h:1081 [inline]
 #2:  (&dev->mutex){....}, at: [<ffffffff8444ebb8>] hub_event+0x108/0x3d70 drivers/usb/core/hub.c:5220
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] usb_lock_port drivers/usb/core/hub.c:2934 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_port_connect drivers/usb/core/hub.c:4904 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_port_connect_change drivers/usb/core/hub.c:5088 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] port_event drivers/usb/core/hub.c:5194 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_event+0x18e8/0x3d70 drivers/usb/core/hub.c:5274
 #4:  (hcd->address0_mutex){+.+.}, at: [<ffffffff844446bb>] hub_port_init+0x15b/0x2970 drivers/usb/core/hub.c:4429
5 locks held by kworker/0:0/8016:
 #0:  ("usb_hub_wq"){+.+.}, at: [<ffffffff81363960>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&hub->events)){+.+.}, at: [<ffffffff81363996>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
 #2:  (&dev->mutex){....}, at: [<ffffffff8444ebb8>] device_lock include/linux/device.h:1081 [inline]
 #2:  (&dev->mutex){....}, at: [<ffffffff8444ebb8>] hub_event+0x108/0x3d70 drivers/usb/core/hub.c:5220
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] usb_lock_port drivers/usb/core/hub.c:2934 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_port_connect drivers/usb/core/hub.c:4904 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_port_connect_change drivers/usb/core/hub.c:5088 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] port_event drivers/usb/core/hub.c:5194 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_event+0x18e8/0x3d70 drivers/usb/core/hub.c:5274
 #4:  (hcd->address0_mutex){+.+.}, at: [<ffffffff844446bb>] hub_port_init+0x15b/0x2970 drivers/usb/core/hub.c:4429
5 locks held by kworker/1:0/8019:
 #0:  ("usb_hub_wq"){+.+.}, at: [<ffffffff81363960>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&hub->events)){+.+.}, at: [<ffffffff81363996>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
 #2:  (&dev->mutex){....}, at: [<ffffffff8444ebb8>] device_lock include/linux/device.h:1081 [inline]
 #2:  (&dev->mutex){....}, at: [<ffffffff8444ebb8>] hub_event+0x108/0x3d70 drivers/usb/core/hub.c:5220
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] usb_lock_port drivers/usb/core/hub.c:2934 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_port_connect drivers/usb/core/hub.c:4904 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_port_connect_change drivers/usb/core/hub.c:5088 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] port_event drivers/usb/core/hub.c:5194 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_event+0x18e8/0x3d70 drivers/usb/core/hub.c:5274
 #4:  (hcd->address0_mutex){+.+.}, at: [<ffffffff844446bb>] hub_port_init+0x15b/0x2970 drivers/usb/core/hub.c:4429
5 locks held by kworker/1:4/8056:
 #0:  ("usb_hub_wq"){+.+.}, at: [<ffffffff81363960>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&hub->events)){+.+.}, at: [<ffffffff81363996>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
 #2:  (&dev->mutex){....}, at: [<ffffffff8444ebb8>] device_lock include/linux/device.h:1081 [inline]
 #2:  (&dev->mutex){....}, at: [<ffffffff8444ebb8>] hub_event+0x108/0x3d70 drivers/usb/core/hub.c:5220
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] usb_lock_port drivers/usb/core/hub.c:2934 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_port_connect drivers/usb/core/hub.c:4904 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_port_connect_change drivers/usb/core/hub.c:5088 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] port_event drivers/usb/core/hub.c:5194 [inline]
 #3:  (&port_dev->status_lock){+.+.}, at: [<ffffffff84450398>] hub_event+0x18e8/0x3d70 drivers/usb/core/hub.c:5274
 #4:  (hcd->address0_mutex){+.+.}, at: [<ffffffff844446bb>] hub_port_init+0x15b/0x2970 drivers/usb/core/hub.c:4429
3 locks held by syz-executor654/30773:
 #0:  (sb_writers#5){.+.+}, at: [<ffffffff8186d678>] file_start_write include/linux/fs.h:2712 [inline]
 #0:  (sb_writers#5){.+.+}, at: [<ffffffff8186d678>] vfs_write+0x3d8/0x4d0 fs/read_write.c:543
 #1:  (&of->mutex){+.+.}, at: [<ffffffff81a36499>] kernfs_fop_write+0x1d9/0x440 fs/kernfs/file.c:307
 #2:  (kn->count#71){.+.+}, at: [<ffffffff81a364bc>] kernfs_fop_write+0x1fc/0x440 fs/kernfs/file.c:308
3 locks held by syz-executor654/30777:
 #0:  (sb_writers#5){.+.+}, at: [<ffffffff8186d678>] file_start_write include/linux/fs.h:2712 [inline]
 #0:  (sb_writers#5){.+.+}, at: [<ffffffff8186d678>] vfs_write+0x3d8/0x4d0 fs/read_write.c:543
 #1:  (&of->mutex){+.+.}, at: [<ffffffff81a36499>] kernfs_fop_write+0x1d9/0x440 fs/kernfs/file.c:307
 #2:  (kn->count#71){.+.+}, at: [<ffffffff81a364bc>] kernfs_fop_write+0x1fc/0x440 fs/kernfs/file.c:308

=============================================

vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd: stop threads
vhci_hcd: 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(1) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 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: 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(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
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: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd 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(3) speed_str(high-speed)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd vhci_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 vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
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: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: stop threads
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 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 vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: 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(0) rhport(0) sockfd(3)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 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
vhci_hcd vhci_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 vhci_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(3) speed_str(high-speed)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
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: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: 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 vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
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(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 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: port 0 already used
vhci_hcd: release socket
vhci_hcd: disconnect device
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd: 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: pdev(5) rhport(0) sockfd(3)
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 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: pdev(4) rhport(0) sockfd(3)
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(3)
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
vhci_hcd: connection closed
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: stop threads
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: release socket
vhci_hcd vhci_hcd.0: port 0 already used
vhci_hcd: disconnect device
vhci_hcd vhci_hcd.0: port 0 already used
NMI backtrace for cpu 0
vhci_hcd vhci_hcd.0: port 0 already used
CPU: 0 PID: 1528 Comm: khungtaskd Not tainted 4.14.229-syzkaller #0
vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(3)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed)
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
vhci_hcd vhci_hcd.0: port 0 already used
 nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline]
 watchdog+0x5b9/0xb40 kernel/hung_task.c:274
vhci_hcd vhci_hcd.0: port 0 already used
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
vhci_hcd vhci_hcd.0: port 0 already used
Sending NMI from CPU 0 to CPUs 1:
vhci_hcd vhci_hcd.0: port 0 already used
NMI backtrace for cpu 1
CPU: 1 PID: 31238 Comm: syz-executor654 Not tainted 4.14.229-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809cd62500 task.stack: ffff8880a0fc8000
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:atomic_read arch/x86/include/asm/atomic.h:27 [inline]
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:362 [inline]
RIP: 0010:rcu_is_watching+0x4f/0xb0 kernel/rcu/tree.c:1130
RSP: 0018:ffff8880ba507bd0 EFLAGS: 00000082
RAX: dffffc0000000000 RBX: ffff8880ba522a40 RCX: 1ffffffff11985ad
RDX: dffffc0000000000 RSI: ffffffff87cce9c0 RDI: ffff8880ba522a4c
RBP: ffff8880b5f97840 R08: 0000000000000001 R09: 0000000000000010
R10: ffff88809cd62e28 R11: ffff88809cd62500 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880b1ab4000
FS:  0000000000f773c0(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc78e82d48 CR3: 00000000aa038000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_read_lock_held+0xba/0x110 kernel/rcu/update.c:328
 select_idle_sibling kernel/sched/fair.c:5846 [inline]
 select_idle_sibling+0x7d1/0x990 kernel/sched/fair.c:5832
 select_task_rq_fair+0x10ad/0x2300 kernel/sched/fair.c:6006
 select_task_rq kernel/sched/core.c:1563 [inline]
 try_to_wake_up+0x4a2/0x1100 kernel/sched/core.c:2072
 hrtimer_wakeup+0x43/0x60 kernel/time/hrtimer.c:1441
 __run_hrtimer kernel/time/hrtimer.c:1223 [inline]
 __hrtimer_run_queues+0x30b/0xc80 kernel/time/hrtimer.c:1287
 hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1079 [inline]
 smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1104
 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:1685 [inline]
RIP: 0010:vprintk_emit+0x549/0x620 kernel/printk/printk.c:1922
RSP: 0018:ffff8880a0fcf830 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10
RAX: ffff88809cd62500 RBX: 1ffffffff11e1259 RCX: 1ffff110139ac5bf
RDX: 0000000000000000 RSI: ffff88809cd62dd8 RDI: 0000000000000297
RBP: ffff8880a0fcf868 R08: ffffffff8b9b0a90 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000028
R13: ffff8880b2dd0440 R14: 0000000000000297 R15: 0000000000000000
 dev_vprintk_emit+0x1da/0x440 drivers/base/core.c:3004
 dev_printk_emit+0xa5/0xd0 drivers/base/core.c:3015
 __dev_printk+0xfe/0x250 drivers/base/core.c:3027
 dev_err+0xc5/0xf0 drivers/base/core.c:3070
 store_attach+0x851/0x990 drivers/usb/usbip/vhci_sysfs.c:409
 dev_attr_store+0x56/0x80 drivers/base/core.c:738
 sysfs_kf_write+0x106/0x160 fs/sysfs/file.c:142
 kernfs_fop_write+0x289/0x440 fs/kernfs/file.c:316
 __vfs_write+0xe4/0x630 fs/read_write.c:480
 vfs_write+0x17f/0x4d0 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x402303
RSP: 002b:00007ffc78e827d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000000402303
RDX: 0000000000000008 RSI: 00007ffc78e82800 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000000 R09: 00007ffc78e82750
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc78e82800
R13: 0000000000000000 R14: 00007ffc78e82d7c R15: 00007ffc78e82d80
Code: 48 8d 3c c5 60 2d cc 88 48 89 f9 48 c1 e9 03 80 3c 11 00 75 5b 48 03 1c c5 60 2d cc 88 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 0c <48> 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38

Crashes (6032):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/04/09 05:37 linux-4.14.y 0cc244011f40 6a81331a .config console log report syz C ci2-linux-4-14 INFO: task hung in hub_port_init
2021/02/16 20:57 linux-4.14.y 2c8a3fceddf0 98682e5e .config console log report syz C ci2-linux-4-14 INFO: task hung in hub_port_init
2021/01/23 15:04 linux-4.14.y 2762b48e9611 52e37319 .config console log report syz C ci2-linux-4-14 INFO: task hung in hub_port_init
2021/01/04 10:44 linux-4.14.y 1752938529c6 79264ae3 .config console log report syz C ci2-linux-4-14
2020/12/22 10:26 linux-4.14.y 3f2ecb86cb90 04201c06 .config console log report syz C ci2-linux-4-14
2020/12/04 21:24 linux-4.14.y c196b3a9c83a 20366b87 .config console log report syz C ci2-linux-4-14
2020/11/11 14:37 linux-4.14.y 27ce4f2a6817 cca87986 .config console log report syz C ci2-linux-4-14
2020/11/11 06:52 linux-4.14.y 27ce4f2a6817 cca87986 .config console log report syz C ci2-linux-4-14
2020/10/26 13:30 linux-4.14.y 5b7a52cd2eef a7aac492 .config console log report syz C ci2-linux-4-14
2020/10/26 06:07 linux-4.14.y 5b7a52cd2eef a1839e81 .config console log report syz C ci2-linux-4-14
2020/10/26 03:37 linux-4.14.y 5b7a52cd2eef a1839e81 .config console log report syz C ci2-linux-4-14
2020/10/25 23:37 linux-4.14.y 5b7a52cd2eef a1839e81 .config console log report syz C ci2-linux-4-14
2020/10/25 17:06 linux-4.14.y 5b7a52cd2eef a1839e81 .config console log report syz C ci2-linux-4-14
2020/10/25 14:53 linux-4.14.y 5b7a52cd2eef a1839e81 .config console log report syz C ci2-linux-4-14
2020/10/24 23:00 linux-4.14.y 5b7a52cd2eef a1839e81 .config console log report syz C ci2-linux-4-14
2020/10/24 07:07 linux-4.14.y 5b7a52cd2eef 2bb6666c .config console log report syz C ci2-linux-4-14
2020/10/24 06:08 linux-4.14.y 5b7a52cd2eef 2bb6666c .config console log report syz C ci2-linux-4-14
2020/10/24 00:33 linux-4.14.y 5b7a52cd2eef 2bb6666c .config console log report syz C ci2-linux-4-14
2020/10/22 11:04 linux-4.14.y 5b7a52cd2eef be6b1582 .config console log report syz C ci2-linux-4-14
2020/10/22 04:34 linux-4.14.y 5b7a52cd2eef be6b1582 .config console log report syz C ci2-linux-4-14
2020/10/21 08:11 linux-4.14.y cbfa1702aaf6 ff4a3345 .config console log report syz C ci2-linux-4-14
2020/10/20 19:23 linux-4.14.y cbfa1702aaf6 ff4a3345 .config console log report syz C ci2-linux-4-14
2020/10/20 12:25 linux-4.14.y cbfa1702aaf6 ff4a3345 .config console log report syz C ci2-linux-4-14
2020/10/20 10:52 linux-4.14.y cbfa1702aaf6 ff4a3345 .config console log report syz C ci2-linux-4-14
2020/10/20 08:50 linux-4.14.y cbfa1702aaf6 ff4a3345 .config console log report syz C ci2-linux-4-14
2020/10/18 03:00 linux-4.14.y cbfa1702aaf6 fea47c01 .config console log report syz C ci2-linux-4-14
2020/10/18 00:13 linux-4.14.y cbfa1702aaf6 fea47c01 .config console log report syz C ci2-linux-4-14
2020/10/04 17:57 linux-4.14.y cbfa1702aaf6 5ef9c291 .config console log report syz C ci2-linux-4-14
2021/02/16 21:57 linux-4.14.y 2c8a3fceddf0 98682e5e .config console log report syz ci2-linux-4-14 INFO: task hung in hub_port_init
2021/02/12 13:10 linux-4.14.y 2c8a3fceddf0 a5f86b15 .config console log report syz ci2-linux-4-14 INFO: task hung in hub_port_init
2021/02/10 17:44 linux-4.14.y 2c8a3fceddf0 9c8b8541 .config console log report syz ci2-linux-4-14 INFO: task hung in hub_port_init
2020/12/30 20:31 linux-4.14.y 1752938529c6 ecb8c012 .config console log report syz ci2-linux-4-14
2020/12/22 03:28 linux-4.14.y 3f2ecb86cb90 04201c06 .config console log report syz ci2-linux-4-14
2020/12/21 17:38 linux-4.14.y 3f2ecb86cb90 04201c06 .config console log report syz ci2-linux-4-14
2020/12/17 15:29 linux-4.14.y 3f2ecb86cb90 04201c06 .config console log report syz ci2-linux-4-14
2020/10/26 18:46 linux-4.14.y 5b7a52cd2eef a7aac492 .config console log report syz ci2-linux-4-14
2020/10/26 17:37 linux-4.14.y 5b7a52cd2eef a7aac492 .config console log report syz ci2-linux-4-14
2020/10/25 20:19 linux-4.14.y 5b7a52cd2eef a1839e81 .config console log report syz ci2-linux-4-14
2020/10/25 10:22 linux-4.14.y 5b7a52cd2eef a1839e81 .config console log report syz ci2-linux-4-14
2020/10/24 17:03 linux-4.14.y 5b7a52cd2eef a1839e81 .config console log report syz ci2-linux-4-14
2020/10/19 19:12 linux-4.14.y cbfa1702aaf6 ff4a3345 .config console log report syz ci2-linux-4-14
2020/10/04 03:19 linux-4.14.y cbfa1702aaf6 1a3f9408 .config console log report syz ci2-linux-4-14
2022/11/06 01:43 linux-4.14.y a901bb6c7db7 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-4-14 INFO: task hung in hub_port_init
2022/09/03 23:35 linux-4.14.y e548869f356f 28811d0a .config console log report info [disk image] [vmlinux] ci2-linux-4-14 INFO: task hung in hub_port_init
2022/01/12 14:43 linux-4.14.y 4ba8e26127c3 44d1319a .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2022/01/09 23:30 linux-4.14.y bfdef05c8da4 2ca0d385 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2022/01/09 04:27 linux-4.14.y bfdef05c8da4 2ca0d385 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/12/29 11:14 linux-4.14.y 8ee0807eedf3 76c8cf06 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/12/20 10:54 linux-4.14.y 9dfbac0e6b86 021b36cb .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/12/20 03:22 linux-4.14.y 9dfbac0e6b86 44068e19 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/12/07 03:16 linux-4.14.y 66722c42ec91 0230ba3e .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/20 02:03 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/19 00:12 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/18 11:05 linux-4.14.y 7d7d1c0ab3eb a343ba6b .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/17 19:58 linux-4.14.y 7d7d1c0ab3eb a2eb125d .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/17 05:02 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/16 22:26 linux-4.14.y 7d7d1c0ab3eb f54a5c09 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/16 00:38 linux-4.14.y 7d7d1c0ab3eb 93f844de .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/15 21:22 linux-4.14.y 7d7d1c0ab3eb 93f844de .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/15 16:43 linux-4.14.y 7d7d1c0ab3eb 93f844de .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/14 17:35 linux-4.14.y 7d7d1c0ab3eb 8bdd5343 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/14 12:34 linux-4.14.y 7d7d1c0ab3eb 8bdd5343 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/13 16:08 linux-4.14.y 7d7d1c0ab3eb ecb594cb .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/13 04:56 linux-4.14.y 7d7d1c0ab3eb ed7d41c5 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/13 00:29 linux-4.14.y 7d7d1c0ab3eb ed7d41c5 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/12 10:22 linux-4.14.y 7d7d1c0ab3eb 86294427 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/12 00:47 linux-4.14.y 7d7d1c0ab3eb b3c3bb8e .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/11 16:46 linux-4.14.y 7d7d1c0ab3eb ca873091 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/11 07:30 linux-4.14.y 7d7d1c0ab3eb ca873091 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/11 04:11 linux-4.14.y 7d7d1c0ab3eb ca873091 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/10 18:09 linux-4.14.y 7d7d1c0ab3eb ca873091 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/10 14:43 linux-4.14.y 7d7d1c0ab3eb ca873091 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/10 05:36 linux-4.14.y 7d7d1c0ab3eb bc5434be .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/09 22:19 linux-4.14.y 7d7d1c0ab3eb bc5434be .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/09 13:53 linux-4.14.y 7d7d1c0ab3eb bc5434be .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/08 01:48 linux-4.14.y 7d7d1c0ab3eb bc5434be .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/07 18:38 linux-4.14.y 7d7d1c0ab3eb f6da8120 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/07 04:51 linux-4.14.y 7d7d1c0ab3eb 06585184 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/07 03:29 linux-4.14.y 7d7d1c0ab3eb 06585184 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/06 23:37 linux-4.14.y 7d7d1c0ab3eb 06585184 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/06 01:25 linux-4.14.y 7d7d1c0ab3eb 06c27ff5 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/05 05:28 linux-4.14.y 7d7d1c0ab3eb 06c27ff5 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/04 22:08 linux-4.14.y 7d7d1c0ab3eb 06c27ff5 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/04 10:32 linux-4.14.y 7d7d1c0ab3eb 09efdd63 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/05/03 04:58 linux-4.14.y 7d7d1c0ab3eb 77e2b668 .config console log report info ci2-linux-4-14 INFO: task hung in hub_port_init
2021/01/17 13:47 linux-4.14.y f79dc86058bc 813be542 .config console log report info ci2-linux-4-14
2020/10/03 08:18 linux-4.14.y cbfa1702aaf6 2653fa43 .config console log report info ci2-linux-4-14
* Struck through repros no longer work on HEAD.