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| Kernel | Title | Rank π | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| linux-5.15 | INFO: task hung in hub_port_init origin:upstream | 1 | C | error | 99 | 19d | 962d | 0/3 | upstream: reported C repro on 2023/04/11 08:33 | |
| upstream | INFO: task hung in hub_port_init (3) usb | 1 | C | error | 855 | 13h27m | 975d | 0/29 | upstream: reported C repro on 2023/03/28 12:23 | |
| linux-6.6 | INFO: task hung in hub_port_init | 1 | 3 | 60d | 143d | 0/2 | upstream: reported on 2025/07/07 19:43 | |||
| linux-4.14 | INFO: task hung in hub_port_init | 1 | C | error | 6032 | 1118d | 1882d | 0/1 | upstream: reported C repro on 2020/10/03 08:19 | |
| upstream | INFO: task hung in hub_port_init (2) usb | 1 | C | error | 486 | 1011d | 1473d | 22/29 | fixed on 2023/02/24 13:50 | |
| linux-4.19 | INFO: task hung in hub_port_init | 1 | C | 4279 | 1003d | 1881d | 0/1 | upstream: reported C repro on 2020/10/03 09:24 | ||
| linux-6.1 | INFO: task hung in hub_port_init origin:upstream | 1 | C | error | 73 | 7d23h | 992d | 0/3 | upstream: reported C repro on 2023/03/11 21:39 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2021/08/12 18:30 | 23m | mail@anirudhrb.com | patch | upstream | OK |
| 2021/08/05 14:35 | 18m | mail@anirudhrb.com | patch | upstream | OK |
| 2021/06/11 09:10 | 19m | mail@anirudhrb.com | patch | git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git cbc5ad3cbf7aea0154be271694fe419ad5f0af6d | OK |
| 2021/06/09 13:54 | 19m | mail@anirudhrb.com | upstream | report log |
INFO: task kworker/0:0:5 blocked for more than 143 seconds.
Not tainted 5.13.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0 state:D
stack:27392 pid: 5 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4339 [inline]
__schedule+0x916/0x23e0 kernel/sched/core.c:5147
schedule+0xcf/0x270 kernel/sched/core.c:5226
usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711
usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706
usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153
hub_port_init+0x82e/0x2db0 drivers/usb/core/hub.c:4759
hub_port_connect drivers/usb/core/hub.c:5210 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
port_event drivers/usb/core/hub.c:5564 [inline]
hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5646
process_one_work+0x98d/0x1600 kernel/workqueue.c:2276
worker_thread+0x64c/0x1120 kernel/workqueue.c:2422
kthread+0x3b1/0x4a0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/0:1:7 blocked for more than 144 seconds.
Not tainted 5.13.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1 state:D
stack:26200 pid: 7 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4339 [inline]
__schedule+0x916/0x23e0 kernel/sched/core.c:5147
schedule+0xcf/0x270 kernel/sched/core.c:5226
usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711
usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706
usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153
hub_port_init+0x82e/0x2db0 drivers/usb/core/hub.c:4759
hub_port_connect drivers/usb/core/hub.c:5210 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
port_event drivers/usb/core/hub.c:5564 [inline]
hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5646
process_one_work+0x98d/0x1600 kernel/workqueue.c:2276
process_scheduled_works kernel/workqueue.c:2338 [inline]
worker_thread+0x82b/0x1120 kernel/workqueue.c:2424
kthread+0x3b1/0x4a0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/1:0:20 blocked for more than 145 seconds.
Not tainted 5.13.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:26896 pid: 20 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4339 [inline]
__schedule+0x916/0x23e0 kernel/sched/core.c:5147
schedule+0xcf/0x270 kernel/sched/core.c:5226
usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711
usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706
usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153
usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:790
usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:1065
hub_port_init+0x9e3/0x2db0 drivers/usb/core/hub.c:4854
hub_port_connect drivers/usb/core/hub.c:5210 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
port_event drivers/usb/core/hub.c:5564 [inline]
hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5646
process_one_work+0x98d/0x1600 kernel/workqueue.c:2276
process_scheduled_works kernel/workqueue.c:2338 [inline]
worker_thread+0x82b/0x1120 kernel/workqueue.c:2424
kthread+0x3b1/0x4a0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/1:1:8442 blocked for more than 146 seconds.
Not tainted 5.13.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1 state:D
stack:27696 pid: 8442 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4339 [inline]
__schedule+0x916/0x23e0 kernel/sched/core.c:5147
schedule+0xcf/0x270 kernel/sched/core.c:5226
usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711
usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706
usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153
hub_port_init+0x82e/0x2db0 drivers/usb/core/hub.c:4759
hub_port_connect drivers/usb/core/hub.c:5210 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
port_event drivers/usb/core/hub.c:5564 [inline]
hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5646
process_one_work+0x98d/0x1600 kernel/workqueue.c:2276
worker_thread+0x64c/0x1120 kernel/workqueue.c:2422
kthread+0x3b1/0x4a0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/1:3:8475 blocked for more than 147 seconds.
Not tainted 5.13.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3 state:D stack:27216 pid: 8475 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4339 [inline]
__schedule+0x916/0x23e0 kernel/sched/core.c:5147
schedule+0xcf/0x270 kernel/sched/core.c:5226
usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711
usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706
usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153
hub_port_init+0x82e/0x2db0 drivers/usb/core/hub.c:4759
hub_port_connect drivers/usb/core/hub.c:5210 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
port_event drivers/usb/core/hub.c:5564 [inline]
hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5646
process_one_work+0x98d/0x1600 kernel/workqueue.c:2276
process_scheduled_works kernel/workqueue.c:2338 [inline]
worker_thread+0x82b/0x1120 kernel/workqueue.c:2424
kthread+0x3b1/0x4a0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/1:4:8495 blocked for more than 148 seconds.
Not tainted 5.13.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4 state:D stack:27632 pid: 8495 ppid: 2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
context_switch kernel/sched/core.c:4339 [inline]
__schedule+0x916/0x23e0 kernel/sched/core.c:5147
schedule+0xcf/0x270 kernel/sched/core.c:5226
usb_kill_urb.part.0+0x19c/0x220 drivers/usb/core/urb.c:711
usb_kill_urb+0x81/0xa0 drivers/usb/core/urb.c:706
usb_start_wait_urb+0x24a/0x4c0 drivers/usb/core/message.c:64
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:153
usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:790
usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:1065
hub_port_init+0x9e3/0x2db0 drivers/usb/core/hub.c:4854
hub_port_connect drivers/usb/core/hub.c:5210 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
port_event drivers/usb/core/hub.c:5564 [inline]
hub_event+0x2190/0x4330 drivers/usb/core/hub.c:5646
process_one_work+0x98d/0x1600 kernel/workqueue.c:2276
worker_thread+0x64c/0x1120 kernel/workqueue.c:2422
kthread+0x3b1/0x4a0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Showing all locks held in the system:
5 locks held by kworker/0:0/5:
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2247
#1:
ffffc90000cbfda8
(
(work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2251
#2: ffff888023e0d220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:742 [inline]
#2: ffff888023e0d220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5592
#3:
ffff888146ed4578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3081 [inline]
ffff888146ed4578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5209 [inline]
ffff888146ed4578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
ffff888146ed4578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5564 [inline]
ffff888146ed4578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5646
#4:
ffff888023de9e68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4633
5 locks held by kworker/0:1/7:
#0:
ffff888141fd6538
(
(wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
(wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
(wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
(wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
(wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
(wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2247
#1:
ffffc90000cdfda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2251
#2:
ffff888024043220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:742 [inline]
ffff888024043220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5592
#3: ffff88802405d578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3081 [inline]
#3: ffff88802405d578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5209 [inline]
#3: ffff88802405d578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
#3: ffff88802405d578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5564 [inline]
#3: ffff88802405d578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5646
#4:
ffff888023a55068
(
hcd->address0_mutex
){+.+.}-{3:3}
, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4633
5 locks held by kworker/1:0/20:
#0:
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2247
#1:
ffffc90000dbfda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2251
#2:
ffff888023ed7220
(&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:742 [inline]
(&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5592
#3: ffff888146f1b578 (&port_dev->status_lock){+.+.}-{3:3}
, at: usb_lock_port drivers/usb/core/hub.c:3081 [inline]
, at: hub_port_connect drivers/usb/core/hub.c:5209 [inline]
, at: hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
, at: port_event drivers/usb/core/hub.c:5564 [inline]
, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5646
#4:
ffff888023eb3968 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4633
3 locks held by kworker/u4:5/191:
1 lock held by khungtaskd/1635:
#0:
ffffffff8bf76da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6335
1 lock held by in:imklog/8351:
#0:
ffff8880173de430 (&f->f_pos_lock
){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:974
5 locks held by kworker/1:1/8442:
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
#0: ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2247
#1: ffffc90001117da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2251
#2: ffff888023b70220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:742 [inline]
#2: ffff888023b70220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5592
#3: ffff888146f69578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3081 [inline]
#3: ffff888146f69578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5209 [inline]
#3: ffff888146f69578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
#3: ffff888146f69578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5564 [inline]
#3: ffff888146f69578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5646
#4: ffff888146f2ec68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4633
5 locks held by kworker/1:3/8475:
#0:
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
ffff888141fd6538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2247
#1:
ffffc9000158fda8
(
(work_completion)(&hub->events)
){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2251
#2:
ffff888146ea3220
(
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:742 [inline]
, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5592
#3:
ffff888023d4c578
(&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3081 [inline]
(&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5209 [inline]
(&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
(&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5564 [inline]
(&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5646
#4: ffff888146da1868 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4633
5 locks held by kworker/1:4/8495:
#0: ffff888141fd6538
((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2247
#1: ffffc900019bfda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2251
#2: ffff888146d7b220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:742 [inline]
#2: ffff888146d7b220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 drivers/usb/core/hub.c:5592
#3:
ffff888146d80578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3081 [inline]
ffff888146d80578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5209 [inline]
ffff888146d80578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5418 [inline]
ffff888146d80578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5564 [inline]
ffff888146d80578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4330 drivers/usb/core/hub.c:5646
#4: ffff888146e1a568 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2db0 drivers/usb/core/hub.c:4633
1 lock held by systemd-journal/9890:
4 locks held by syz-executor555/12714:
#0:
ffff888022312460
(sb_writers#6){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658
#1: ffff8880311c6888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x287/0x500 fs/kernfs/file.c:287
#2:
ffff88802236f978
(
&sig->wait_chldexit
){....}-{2:2}, at: __wake_up_common_lock+0xb4/0x130 kernel/sched/wait.c:137
#3:
ffff88802301cbf0 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0x98/0x14b0 kernel/sched/core.c:3364
4 locks held by syz-executor555/12790:
4 locks held by syz-executor555/12805:
#0:
ffff888022312460 (sb_writers#6){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021/06/27 07:10 | upstream | 625acffd7ae2 | 9d2ab5df | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | ||
| 2021/04/04 19:24 | upstream | 2023a53bdf41 | 6a81331a | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/02/20 09:02 | upstream | f40ddce88593 | f689d40a | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | ||
| 2021/02/16 20:57 | upstream | f40ddce88593 | 98682e5e | .config | console log | report | syz | C | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | ||
| 2021/02/16 19:42 | upstream | f40ddce88593 | 98682e5e | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/02/15 12:56 | upstream | f40ddce88593 | 98682e5e | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/02/04 16:49 | upstream | 61556703b610 | 42b90a7c | .config | console log | report | syz | C | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | ||
| 2021/02/03 09:46 | upstream | 3aaf0a27ffc2 | 624dad51 | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/02/02 03:51 | upstream | 1048ba83fb1c | e6b95f32 | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | ||
| 2021/02/02 02:37 | upstream | 1048ba83fb1c | e6b95f32 | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | ||
| 2021/02/01 12:48 | upstream | 1048ba83fb1c | fc9fd31e | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | ||
| 2021/02/01 09:23 | upstream | 1048ba83fb1c | fc9fd31e | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | ||
| 2021/02/01 02:13 | upstream | 6642d600b541 | fc9fd31e | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | ||
| 2021/02/01 00:24 | upstream | 6642d600b541 | fc9fd31e | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | ||
| 2021/01/31 21:14 | upstream | 6642d600b541 | fc9fd31e | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | ||
| 2021/01/31 11:00 | upstream | 8c947645151c | fc9fd31e | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | ||
| 2021/01/30 23:00 | upstream | 0e9bcda5d286 | fc9fd31e | .config | console log | report | syz | C | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | ||
| 2021/04/03 05:32 | linux-next | 454c576c3f5e | 6a81331a | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/08 21:02 | linux-next | 4641b32307b3 | 09fbf400 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/05 17:18 | linux-next | 4641b32307b3 | 9d751681 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/05 15:53 | linux-next | 4641b32307b3 | 9d751681 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/04 10:36 | linux-next | f5427c2460eb | d7e4e604 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/04 08:08 | linux-next | f5427c2460eb | d7e4e604 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/04 02:30 | linux-next | f6b975aabf15 | 06ed56cd | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/04 00:53 | linux-next | f6b975aabf15 | 06ed56cd | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/03 21:43 | linux-next | f6b975aabf15 | 06ed56cd | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/03 16:06 | linux-next | f6b975aabf15 | e5b64d68 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/03 13:50 | linux-next | f6b975aabf15 | e5b64d68 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/03 10:25 | linux-next | 92f791ebd25b | e5b64d68 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/03 08:12 | linux-next | 92f791ebd25b | e5b64d68 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/02 23:13 | linux-next | 92f791ebd25b | 92ead296 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/02 19:13 | linux-next | 92f791ebd25b | 92ead296 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/02 01:34 | linux-next | 26ada2d1f143 | 183afb6c | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/01 11:01 | linux-next | 26ada2d1f143 | 4c37c133 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/03/01 02:53 | linux-next | d01f2f7e3557 | 4c37c133 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/02/28 23:22 | linux-next | d01f2f7e3557 | 4c37c133 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/02/28 17:36 | linux-next | d01f2f7e3557 | 4c37c133 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/02/28 12:59 | linux-next | d01f2f7e3557 | 4c37c133 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/02/28 03:39 | linux-next | d01f2f7e3557 | 4c37c133 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/02/28 00:40 | linux-next | d01f2f7e3557 | 4c37c133 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2021/02/27 20:50 | linux-next | d01f2f7e3557 | 4c37c133 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | ||
| 2020/10/03 18:52 | upstream | d3d45f8220d6 | 2653fa43 | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
| 2021/11/09 21:26 | upstream | d2f38a3c6507 | 59bcaf9a | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | |||
| 2021/11/09 16:52 | upstream | d2f38a3c6507 | 59bcaf9a | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | |||
| 2021/11/09 09:11 | upstream | e851dfae4371 | 8ab17e57 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | |||
| 2021/11/09 05:00 | upstream | e851dfae4371 | 8ab17e57 | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/08 21:04 | upstream | e851dfae4371 | d29682f1 | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | |||
| 2021/11/08 17:58 | upstream | 6b75d88fa81b | d29682f1 | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | |||
| 2021/11/08 16:57 | upstream | 6b75d88fa81b | d29682f1 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/08 13:34 | upstream | 6b75d88fa81b | d29682f1 | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | |||
| 2021/11/08 11:02 | upstream | 6b75d88fa81b | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/08 09:08 | upstream | 6b75d88fa81b | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/08 06:55 | upstream | 6b75d88fa81b | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/08 03:05 | upstream | 6b75d88fa81b | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/08 00:15 | upstream | b5013d084e03 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/07 19:49 | upstream | b5013d084e03 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/07 04:17 | upstream | 512b7931ad05 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | |||
| 2021/11/07 03:03 | upstream | 512b7931ad05 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/06 20:52 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | |||
| 2021/11/06 19:10 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | |||
| 2021/11/06 17:25 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | |||
| 2021/11/06 15:11 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/06 10:15 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/06 08:09 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | |||
| 2021/11/06 05:17 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/06 03:14 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | |||
| 2021/11/06 01:59 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/05 23:34 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | |||
| 2021/11/05 19:12 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/05 18:09 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | |||
| 2021/11/05 17:06 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/05 16:16 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/05 15:04 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | |||
| 2021/11/05 13:25 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/05 12:10 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | |||
| 2021/11/05 10:23 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in hub_port_init | |||
| 2021/11/05 08:23 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/05 04:14 | upstream | 7ddb58cb0eca | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/05 00:16 | upstream | 7ddb58cb0eca | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/04 21:59 | upstream | 7ddb58cb0eca | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/04 20:30 | upstream | 7ddb58cb0eca | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/04 16:48 | upstream | ce840177930f | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in hub_port_init | |||
| 2021/11/04 14:38 | upstream | ce840177930f | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/04 12:49 | upstream | ce840177930f | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in hub_port_init | |||
| 2021/11/04 08:05 | upstream | ce840177930f | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in hub_port_init | |||
| 2021/11/07 23:09 | upstream | b5013d084e03 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-386 | INFO: task hung in hub_port_init | |||
| 2021/11/07 21:25 | upstream | b5013d084e03 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-386 | INFO: task hung in hub_port_init | |||
| 2021/11/07 17:59 | upstream | b5013d084e03 | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-386 | INFO: task hung in hub_port_init | |||
| 2021/11/06 20:16 | upstream | fe91c4725aee | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-386 | INFO: task hung in hub_port_init | |||
| 2021/11/04 11:49 | upstream | ce840177930f | 4c1be0be | .config | console log | report | info | ci-upstream-kasan-gce-386 | INFO: task hung in hub_port_init | |||
| 2021/03/14 09:30 | upstream | f296bfd5cd04 | 4a003785 | .config | console log | report | info | ci-qemu2-arm64-compat | INFO: task hung in hub_port_init | |||
| 2021/03/14 02:47 | upstream | f296bfd5cd04 | 4a003785 | .config | console log | report | info | ci-qemu2-arm64 | INFO: task hung in hub_port_init | |||
| 2021/03/13 12:52 | upstream | f296bfd5cd04 | 4a003785 | .config | console log | report | info | ci-qemu2-arm32 | INFO: task hung in hub_port_init | |||
| 2021/11/06 16:22 | linux-next | 6a37ebbe07bf | 4c1be0be | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | |||
| 2021/11/05 20:59 | linux-next | b477ae38e815 | 4c1be0be | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in hub_port_init | |||
| 2021/03/11 03:13 | git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes | 0d7588ab9ef9 | 764067f3 | .config | console log | report | info | ci-qemu2-riscv64 | INFO: task hung in hub_port_init | |||
| 2020/10/03 10:37 | upstream | d3d45f8220d6 | 2653fa43 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
| 2021/01/17 13:34 | linux-next | b3a3cbdec55b | 813be542 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
| 2020/10/03 06:32 | linux-next | 2172e358cd17 | 2653fa43 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root |