INFO: task hung in usb_get

INFO: task hung in usb_get_descriptor
Status: upstream: reported C repro on 2020/10/06 08:19
Reported-by: syzbot+31ae6d17d115e980fd14@syzkaller.appspotmail.com
First crash: 390d, last: 1d00h

Cause bisection: introduced by (bisect log) :
commit c0303efeab7391ec51c337e0ac5740860ad01fe7
Author: Jesper Dangaard Brouer <brouer@redhat.com>
Date: Mon Jan 9 15:04:09 2017 +0000

net: reduce cycles spend on ICMP replies that gets rate limited

Crash: WARNING in nf_unregister_net_hook (log)
Repro: C syz .config

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.14	INFO: task hung in usb_get_descriptor	C			1313	15d	389d	0/1	upstream: reported C repro on 2020/10/03 17:33
linux-4.19	INFO: task hung in usb_get_descriptor	C			997	1d06h	390d	0/1	upstream: reported C repro on 2020/10/03 12:49

Sample crash report:

INFO: task kworker/0:1:7 blocked for more than 143 seconds.
      Not tainted 5.12.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D
 stack:27256 pid:    7 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event

Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0x911/0x21b0 kernel/sched/core.c:5073
 schedule+0xcf/0x270 kernel/sched/core.c:5152
 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+0x9e3/0x2dd0 drivers/usb/core/hub.c:4799
 hub_port_connect drivers/usb/core/hub.c:5155 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x2190/0x4320 drivers/usb/core/hub.c:5591
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 process_scheduled_works kernel/workqueue.c:2337 [inline]
 worker_thread+0x82b/0x1120 kernel/workqueue.c:2423
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/0:2:8 blocked for more than 144 seconds.
      Not tainted 5.12.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D
 stack:27528 pid:    8 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event

Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0x911/0x21b0 kernel/sched/core.c:5073
 schedule+0xcf/0x270 kernel/sched/core.c:5152
 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+0x9e3/0x2dd0 drivers/usb/core/hub.c:4799
 hub_port_connect drivers/usb/core/hub.c:5155 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x2190/0x4320 drivers/usb/core/hub.c:5591
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 process_scheduled_works kernel/workqueue.c:2337 [inline]
 worker_thread+0x82b/0x1120 kernel/workqueue.c:2423
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/1:0:8388 blocked for more than 146 seconds.
      Not tainted 5.12.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D
 stack:27280 pid: 8388 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event

Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0x911/0x21b0 kernel/sched/core.c:5073
 schedule+0xcf/0x270 kernel/sched/core.c:5152
 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+0x9e3/0x2dd0 drivers/usb/core/hub.c:4799
 hub_port_connect drivers/usb/core/hub.c:5155 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x2190/0x4320 drivers/usb/core/hub.c:5591
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 process_scheduled_works kernel/workqueue.c:2337 [inline]
 worker_thread+0x82b/0x1120 kernel/workqueue.c:2423
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/0:0:8419 blocked for more than 147 seconds.
      Not tainted 5.12.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:27392 pid: 8419 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0x911/0x21b0 kernel/sched/core.c:5073
 schedule+0xcf/0x270 kernel/sched/core.c:5152
 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+0x9e3/0x2dd0 drivers/usb/core/hub.c:4799
 hub_port_connect drivers/usb/core/hub.c:5155 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x2190/0x4320 drivers/usb/core/hub.c:5591
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 process_scheduled_works kernel/workqueue.c:2337 [inline]
 worker_thread+0x82b/0x1120 kernel/workqueue.c:2423
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
INFO: task kworker/1:1:8436 blocked for more than 148 seconds.
      Not tainted 5.12.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D
 stack:27440 pid: 8436 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event

Call Trace:
 context_switch kernel/sched/core.c:4322 [inline]
 __schedule+0x911/0x21b0 kernel/sched/core.c:5073
 schedule+0xcf/0x270 kernel/sched/core.c:5152
 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+0x9e3/0x2dd0 drivers/usb/core/hub.c:4799
 hub_port_connect drivers/usb/core/hub.c:5155 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 port_event drivers/usb/core/hub.c:5509 [inline]
 hub_event+0x2190/0x4320 drivers/usb/core/hub.c:5591
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 process_scheduled_works kernel/workqueue.c:2337 [inline]
 worker_thread+0x82b/0x1120 kernel/workqueue.c:2423
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Showing all locks held in the system:
5 locks held by kworker/0:1/7:
 #0: 
ffff888015483d38
 (
(wq_completion)usb_hub_wq
){+.+.}-{0:0}
, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
, at: set_work_data kernel/workqueue.c:616 [inline]
, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc90000cdfda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: 
ffff888144e65218
 (
&dev->mutex
){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: ffff888144dfd578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3030 [inline]
 #3: ffff888144dfd578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5154 [inline]
 #3: ffff888144dfd578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 #3: ffff888144dfd578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5509 [inline]
 #3: ffff888144dfd578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4320 drivers/usb/core/hub.c:5591
 #4: ffff888144e49568 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2dd0 drivers/usb/core/hub.c:4582
5 locks held by kworker/0:2/8:
 #0: 
ffff888015483d38
 (
(wq_completion)usb_hub_wq
){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc90000cefda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffff888144dec218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #2: ffff888144dec218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: ffff888144df5578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3030 [inline]
 #3: ffff888144df5578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5154 [inline]
 #3: ffff888144df5578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 #3: ffff888144df5578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5509 [inline]
 #3: ffff888144df5578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4320 drivers/usb/core/hub.c:5591
 #4: 
ffff88801e131368 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2dd0 drivers/usb/core/hub.c:4582
2 locks held by kworker/u4:0/9:
1 lock held by khungtaskd/1615:
 #0: ffffffff8bf71860 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6327
1 lock held by in:imklog/8082:
5 locks held by kworker/1:0/8388:
 #0: ffff888015483d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}
, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
, at: set_work_data kernel/workqueue.c:616 [inline]
, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: 
ffffc90001837da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: 
ffff888144c52218
 (
&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: 
ffff88801dfbc578
 (
&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3030 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5154 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5509 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4320 drivers/usb/core/hub.c:5591
 #4: ffff888144d11268 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2dd0 drivers/usb/core/hub.c:4582
5 locks held by kworker/0:0/8419:
 #0: 
ffff888015483d38
 (
(wq_completion)usb_hub_wq
){+.+.}-{0:0}
, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
, at: set_work_data kernel/workqueue.c:616 [inline]
, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc900016e7da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: ffff88801e138218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:740 [inline]
 #2: ffff88801e138218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: 
ffff88801e180578
 (
&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3030 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5154 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5509 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4320 drivers/usb/core/hub.c:5591
 #4: ffff888144d34768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2dd0 drivers/usb/core/hub.c:4582
5 locks held by kworker/1:1/8436:
 #0: ffff888015483d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888015483d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888015483d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888015483d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888015483d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888015483d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2246
 #1: ffffc900017a7da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2250
 #2: 
ffff888144e35218
 (
&dev->mutex
){....}-{3:3}
, at: device_lock include/linux/device.h:740 [inline]
, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: 
ffff888144e3c578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3030 [inline]
ffff888144e3c578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5154 [inline]
ffff888144e3c578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
ffff888144e3c578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5509 [inline]
ffff888144e3c578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4320 drivers/usb/core/hub.c:5591
 #4: 
ffff888144df4768 (hcd->address0_mutex){+.+.}-{3:3}
, at: hub_port_init+0x1b5/0x2dd0 drivers/usb/core/hub.c:4582
3 locks held by kworker/1:3/27164:
2 locks held by systemd-journal/27362:
3 locks held by syz-executor871/25659:
 #0: ffff8880b9c35258
 (&rq->lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1321 [inline]
 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x21c/0x21b0 kernel/sched/core.c:4990
 #1: ffff8880b9c1f948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x305/0x440 kernel/sched/psi.c:833
 #2: ffff8880152a4b78 (&sig->wait_chldexit){....}-{2:2}, at: __wake_up_common_lock+0xb4/0x130 kernel/sched/wait.c:137
8 locks held by syz-executor871/25714:
6 locks held by syz-executor871/25725:
 #0: 
ffff8880b9d35258
 (
&rq->lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1321 [inline]
&rq->lock){-.-.}-{2:2}, at: __schedule+0x21c/0x21b0 kernel/sched/core.c:4990
 #1: ffff8880b9d1f948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x305/0x440 kernel/sched/psi.c:833
 #2: ffff8880152a44f8 (&sig->wait_chldexit){....}-{2:2}, at: __wake_up_common_lock+0xb4/0x130 kernel/sched/wait.c:137
 #3: ffff8881407b0688 (&memcg->move_lock){..-.}-{2:2}, at: lock_page_memcg+0x16f/0x510 mm/memcontrol.c:2152
 #4: ffff8881407b0688 (&memcg->move_lock){..-.}-{2:2}, at: lock_page_memcg+0x16f/0x510 mm/memcontrol.c:2152
 #5: ffffffff8f35c148 (
pvclock_gtod_data
){-.-.}-{0:0}
, at: notifier_call_chain+0xb5/0x200 kernel/notifier.c:83

Crashes (4032):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-selinux-root	2021/04/09 16:55	upstream	4fa56ad0d12e	6a81331a	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/03/20 19:02	upstream	1c273e10bc0c	17810eae	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/21 08:30	upstream	e767b3530acb	3e5ed8b4	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/19 10:13	upstream	f40ddce88593	14052202	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/02/15 18:55	upstream	f40ddce88593	98682e5e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/05/21 11:34	linux-next	a1f92694393a	3c7fef33	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/05 18:51	linux-next	4641b32307b3	9d751681	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/04 11:44	linux-next	f5427c2460eb	d7e4e604	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/04 03:27	linux-next	f6b975aabf15	06ed56cd	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/03 20:35	linux-next	f6b975aabf15	06ed56cd	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/03 18:26	linux-next	f6b975aabf15	06ed56cd	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/03 09:21	linux-next	92f791ebd25b	e5b64d68	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/03 05:39	linux-next	92f791ebd25b	e5b64d68	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/02 18:03	linux-next	92f791ebd25b	92ead296	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/02 16:36	linux-next	92f791ebd25b	92ead296	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/02 13:23	linux-next	92f791ebd25b	92ead296	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/01 19:07	linux-next	26ada2d1f143	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/01 16:43	linux-next	26ada2d1f143	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/01 14:53	linux-next	26ada2d1f143	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/01 12:41	linux-next	26ada2d1f143	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/01 08:45	linux-next	26ada2d1f143	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/01 07:32	linux-next	26ada2d1f143	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/03/01 01:33	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/28 21:56	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/28 20:45	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/28 16:05	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/28 11:04	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/28 09:23	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/28 07:51	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/28 06:04	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/28 02:28	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/27 23:29	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/27 19:40	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/27 16:27	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/27 15:07	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/27 11:35	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/27 10:33	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/27 09:14	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/27 02:34	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/27 01:02	linux-next	d01f2f7e3557	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2020/10/03 12:31	upstream	d3d45f8220d6	2653fa43	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2021/10/27 14:45	upstream	d25f27432f80	373bf66b	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/10/20 03:52	upstream	d9abdee5fd5a	466b7db1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/10/18 13:14	upstream	cf52ad5ff16c	0c5d9412	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/10/16 23:50	upstream	304040fb4909	0c5d9412	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/10/16 13:36	upstream	8fe31e0995f0	0c5d9412	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/10/15 15:03	upstream	ec681c53f8d2	0c5d9412	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/10/11 14:53	upstream	64570fbc14f8	838e7e2c	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/10/10 13:18	upstream	7fd2bf83d59a	838e7e2c	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/10/07 01:44	upstream	60a9483534ed	62ee0987	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/10/05 19:10	upstream	f6274b06e326	0a63fd36	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/10/04 19:01	upstream	9e1ff307c779	ce697b49	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/10/02 15:32	upstream	53d5fc89d66a	db0f5787	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/09/30 11:04	upstream	02d5e016800d	be530f6c	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/09/27 08:20	upstream	996148ee05d0	78494d16	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/09/26 08:19	upstream	a5e0aceabef6	8cac236e	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/09/25 17:07	upstream	7d42e9818258	8cac236e	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/09/24 07:45	upstream	f9e36107ec70	8cac236e	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/09/22 23:33	upstream	cf1d2c3e7e2f	8cac236e	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/09/21 01:16	upstream	e8f71f89236e	af796c18	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/09/20 04:52	upstream	bc1abb9e55ce	70b76c1d	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/09/18 17:45	upstream	4357f03d6611	70b76c1d	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/09/16 08:47	upstream	b7213ffa0e58	07e953c1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/09/15 04:19	upstream	1619b69edce1	07e953c1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/09/13 18:41	upstream	6880fa6c5660	3ce60af8	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/09/13 04:33	upstream	f306b90c69ce	5ae8508a	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/09/12 03:17	upstream	c605c39677b9	5ae8508a	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/09/08 05:17	upstream	a2b28235335f	064c9eb7	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/09/05 02:00	upstream	f1583cb1be35	d236a457	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/09/04 12:39	upstream	7cca308cfdc0	d236a457	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/09/02 16:58	upstream	4ac6d90867a4	15cea0a3	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/09/02 04:56	upstream	835d31d319d9	7eb7e152	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-386	2021/10/20 07:17	upstream	d9abdee5fd5a	466b7db1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-386	2021/09/25 09:01	upstream	4c4f0c2bf341	8cac236e	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-386	2021/09/25 06:58	upstream	4c4f0c2bf341	8cac236e	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-386	2021/09/17 08:55	upstream	bdb575f87217	5b989942	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-386	2021/09/16 19:26	upstream	ff1ffd71d5f0	aae492f2	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-386	2021/09/09 09:11	upstream	0f4b9289bad3	e2776ee4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-qemu2-arm32	2021/03/13 19:10	upstream	f296bfd5cd04	4a003785	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-qemu2-arm64	2021/03/09 14:41	upstream	144c79ef3353	09fbf400	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-qemu2-arm64-compat	2021/03/08 19:35	upstream	144c79ef3353	09fbf400	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/10/22 17:04	linux-next	3196a52aff93	55f90bc6	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/10/18 19:32	linux-next	60e8840126bd	0c5d9412	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/10/07 08:58	linux-next	f8dc23b3dc0c	62ee0987	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/10/03 07:05	linux-next	a25006a77348	db0f5787	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/10/01 01:15	linux-next	c7b4d0e56a1d	1d849ab4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/09/27 05:43	linux-next	5a5d008887b4	78494d16	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/09/27 03:21	linux-next	5a5d008887b4	78494d16	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/09/23 16:47	linux-next	bc5aa70f2699	8cac236e	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/09/15 06:36	linux-next	70ced02f322f	07e953c1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/09/06 02:47	linux-next	c1b13fe76e95	d236a457	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/09/04 04:08	linux-next	c1b13fe76e95	d236a457	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/01/17 13:59	upstream	0da0a8a0a0e1	813be542	.config	log	report			info
ci-upstream-kasan-gce-386	2020/10/03 09:30	upstream	d3d45f8220d6	2653fa43	.config	log	report			info