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: 148d, last: 1h32m

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			1173	5m	148d	0/1	upstream: reported C repro on 2020/10/03 17:33
linux-4.19	INFO: task hung in usb_get_descriptor	C			795	4h16m	148d	0/1	upstream: reported C repro on 2020/10/03 12:49

Sample crash report:

INFO: task kworker/1:1:8429 blocked for more than 143 seconds.
      Not tainted 5.11.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D
 stack:27440 pid: 8429 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event

Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:711
 usb_kill_urb+0x7c/0x90 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/0x15f0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
INFO: task kworker/1:0:8455 blocked for more than 144 seconds.
      Not tainted 5.11.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:27616 pid: 8455 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:711
 usb_kill_urb+0x7c/0x90 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/0x15f0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
INFO: task kworker/0:1:8466 blocked for more than 146 seconds.
      Not tainted 5.11.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D
 stack:27616 pid: 8466 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event

Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:711
 usb_kill_urb+0x7c/0x90 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/0x15f0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
INFO: task kworker/0:3:8472 blocked for more than 147 seconds.
      Not tainted 5.11.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3     state:D
 stack:27376 pid: 8472 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:711
 usb_kill_urb+0x7c/0x90 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/0x2dd0 drivers/usb/core/hub.c:4708
 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/0x15f0 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:296
INFO: task kworker/0:4:8474 blocked for more than 149 seconds.
      Not tainted 5.11.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4     state:D
 stack:27496 pid: 8474 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:4327 [inline]
 __schedule+0x90c/0x21a0 kernel/sched/core.c:5078
 schedule+0xcf/0x270 kernel/sched/core.c:5157
 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:711
 usb_kill_urb+0x7c/0x90 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/0x2dd0 drivers/usb/core/hub.c:4708
 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/0x15f0 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

Showing all locks held in the system:
1 lock held by ksoftirqd/0/12:
2 locks held by kworker/u4:4/151:
 #0: 
ffff88801c42c138 ((wq_completion)usbip_event){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
ffff88801c42c138 ((wq_completion)usbip_event){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
ffff88801c42c138 ((wq_completion)usbip_event){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
ffff88801c42c138 ((wq_completion)usbip_event){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
ffff88801c42c138 ((wq_completion)usbip_event){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
ffff88801c42c138 ((wq_completion)usbip_event){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 kernel/workqueue.c:2246
 #1: ffffc900014dfda8 (usbip_work){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 kernel/workqueue.c:2250
1 lock held by khungtaskd/1654:
 #0: 
ffffffff8bf73ee0
 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6259
1 lock held by in:imklog/8146:
 #0: 
ffff8880198c3270 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:947
5 locks held by kworker/1:1/8429:
 #0: 
ffff888015a3bd38
 (
(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+0x871/0x15f0 kernel/workqueue.c:2246
 #1: ffffc90001347da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 kernel/workqueue.c:2250
 #2: 
ffff888144642218
 (
&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: 
ffff888144670578
 (
&port_dev->status_lock
){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3030 [inline]
){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5154 [inline]
){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5509 [inline]
){+.+.}-{3:3}, at: hub_event+0x2178/0x4320 drivers/usb/core/hub.c:5591
 #4: 
ffff8881445fea68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2dd0 drivers/usb/core/hub.c:4582
5 locks held by kworker/1:0/8455:
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 kernel/workqueue.c:2246
 #1: ffffc90001a5fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}
, at: process_one_work+0x8a5/0x15f0 kernel/workqueue.c:2250
 #2: 
ffff88801d2b6218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
ffff88801d2b6218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: ffff8881445d1578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3030 [inline]
 #3: ffff8881445d1578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5154 [inline]
 #3: ffff8881445d1578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
 #3: ffff8881445d1578 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5509 [inline]
 #3: ffff8881445d1578 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2178/0x4320 drivers/usb/core/hub.c:5591
 #4: ffff8881444f0068 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2dd0 drivers/usb/core/hub.c:4582
5 locks held by kworker/0:1/8466:
 #0: ffff888015a3bd38
 (
(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+0x871/0x15f0 kernel/workqueue.c:2246
 #1: ffffc90001a6fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 kernel/workqueue.c:2250
 #2: ffff88814457e218 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:737 [inline]
 #2: ffff88814457e218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537
 #3: 
ffff88814456d578
 (
&port_dev->status_lock
){+.+.}-{3:3}
, at: usb_lock_port drivers/usb/core/hub.c:3030 [inline]
, at: hub_port_connect drivers/usb/core/hub.c:5154 [inline]
, at: hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
, at: port_event drivers/usb/core/hub.c:5509 [inline]
, at: hub_event+0x2178/0x4320 drivers/usb/core/hub.c:5591
 #4: ffff8881443d2268 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_init+0x1b5/0x2dd0 drivers/usb/core/hub.c:4582
5 locks held by kworker/0:3/8472:
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
 #0: ffff888015a3bd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 kernel/workqueue.c:2246
 #1: 
ffffc90001a1fda8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 kernel/workqueue.c:2250
 #2: ffff88814473d218 (&dev->mutex){....}-{3:3}
, at: device_lock include/linux/device.h:737 [inline]
, at: hub_event+0x1c1/0x4320 drivers/usb/core/hub.c:5537

Crashes (3466):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce	2021/02/21 08:30	upstream	e767b353	3e5ed8b4	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/19 10:13	upstream	f40ddce8	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	f40ddce8	98682e5e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/06 07:30	upstream	1e0d27fc	23a562df	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/05 08:15	upstream	5c279c4c	23a562df	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/02 12:09	upstream	88bb507a	19e09687	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/02/02 01:49	upstream	1048ba83	e6b95f32	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/01 11:27	upstream	1048ba83	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/01 07:48	upstream	1048ba83	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/01 03:44	upstream	6642d600	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/01/31 22:33	upstream	6642d600	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/01/31 19:06	upstream	6642d600	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/01/31 18:06	upstream	6642d600	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/01/31 12:16	upstream	8c947645	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/01/31 10:56	upstream	8c947645	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/01/31 02:55	upstream	8c947645	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/01/30 17:43	upstream	0e9bcda5	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/01/30 17:36	upstream	0e9bcda5	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/01/30 16:48	upstream	0e9bcda5	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/01/30 15:50	upstream	0e9bcda5	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/01/30 14:58	upstream	0e9bcda5	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/01/30 14:01	upstream	0e9bcda5	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/01/30 12:50	upstream	0e9bcda5	fc9fd31e	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/01/30 11:09	upstream	0e9bcda5	fc9fd31e	.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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	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	d01f2f7e	4c37c133	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/08 18:02	linux-next	aa2b8820	2ce644fc	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/08 16:51	linux-next	aa2b8820	2ce644fc	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/07 22:33	linux-next	aa2b8820	2ce644fc	.config	log	report	syz	C		INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2020/10/03 12:31	upstream	d3d45f82	2653fa43	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2021/02/28 19:08	upstream	5695e516	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/28 17:31	upstream	5695e516	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/28 15:13	upstream	5695e516	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/28 04:20	upstream	5695e516	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/27 22:11	upstream	5695e516	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/27 20:48	upstream	5695e516	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/27 13:40	upstream	3fb6d0e0	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/27 12:51	upstream	3fb6d0e0	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/27 01:01	upstream	2c87f7a3	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/26 22:09	upstream	2c87f7a3	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/02/26 19:46	upstream	2c87f7a3	4c37c133	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/25 20:19	upstream	29c395c7	76f7fc95	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/25 16:58	upstream	29c395c7	76f7fc95	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/25 12:20	upstream	719bbd4a	fcc6d71b	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/25 10:29	upstream	719bbd4a	fcc6d71b	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/24 19:02	upstream	c03c21ba	fcc6d71b	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/24 13:09	upstream	c03c21ba	fcc6d71b	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/23 16:48	upstream	3b9cdafb	fcc6d71b	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/02/23 11:03	upstream	a99163e9	c26fb06b	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/22 13:02	upstream	31caf8b2	a659b3f1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/22 09:14	upstream	31caf8b2	a659b3f1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/22 06:30	upstream	55f62bc8	a659b3f1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/22 05:22	upstream	55f62bc8	a659b3f1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/22 04:06	upstream	55f62bc8	a659b3f1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/02/22 02:38	upstream	55f62bc8	a659b3f1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/21 21:19	upstream	55f62bc8	a659b3f1	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/21 17:10	upstream	e767b353	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/21 16:10	upstream	e767b353	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/02/21 14:25	upstream	e767b353	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/21 12:40	upstream	e767b353	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/21 03:13	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/21 01:55	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/21 00:31	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/20 22:09	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/02/20 20:05	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/20 14:38	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/20 12:32	upstream	f40ddce8	3e5ed8b4	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/20 07:36	upstream	f40ddce8	f689d40a	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/20 01:25	upstream	f40ddce8	f689d40a	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/20 00:00	upstream	f40ddce8	f689d40a	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root	2021/02/19 19:34	upstream	f40ddce8	f689d40a	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/02/19 14:20	upstream	f40ddce8	14052202	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce	2021/02/19 13:15	upstream	f40ddce8	14052202	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root	2021/02/19 10:04	upstream	f40ddce8	14052202	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-386	2021/02/19 04:05	upstream	f40ddce8	14052202	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-qemu2-arm64-compat	2021/02/13 06:14	upstream	dcc0b490	98682e5e	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-qemu2-arm64	2021/02/09 18:40	upstream	e0756cfc	2bd9619f	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root	2021/02/25 02:23	linux-next	577c2835	fcc6d71b	.config	log	report			info	INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root	2021/01/17 13:59	upstream	0da0a8a0	813be542	.config	log	report			info
ci-upstream-kasan-gce-386	2020/10/03 09:30	upstream	d3d45f82	2653fa43	.config	log	report			info