syzbot


INFO: task hung in usb_get_descriptor
Status: fixed on 2022/05/13 11:13
Reported-by: syzbot+31ae6d17d115e980fd14@syzkaller.appspotmail.com
Fix commit: 363eaa3a450a usbip: synchronize event handler with sysfs code paths
First crash: 600d, last: 75d

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

Fix bisection: fixed by (bisect log) :
commit 363eaa3a450abb4e63bd6e3ad79d1f7a0f717814
Author: Shuah Khan <skhan@linuxfoundation.org>
Date: Tue Mar 30 01:36:51 2021 +0000

  usbip: synchronize event handler with sysfs code paths

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 error 1317 61d 600d 0/1 upstream: reported C repro on 2020/10/03 17:33
linux-4.19 INFO: task hung in usb_get_descriptor C error 1038 109d 600d 0/1 upstream: reported C repro on 2020/10/03 12:49
Patch testing requests:
Created Duration User Patch Repo Result
2022/02/13 10:36 17m hdanton@sina.com upstream OK
2022/02/13 07:30 9m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ d3d45f82 report log

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 (4149):
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 2022/03/12 08:23 upstream 68453767131a 9e8eaa75 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root 2022/03/11 03:12 upstream 3bf7edc84a9e 9e8eaa75 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2022/02/16 11:08 upstream c5d9ae265b10 8b9ca619 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2022/01/13 18:53 upstream 455e73a07f6e 44d1319a .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2022/01/13 03:10 upstream f079ab01b560 44d1319a .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce 2022/01/12 17:45 upstream daadb3bd0e8d 44d1319a .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2022/01/12 02:19 upstream 6f38be8f2ccd 44d1319a .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2022/01/09 17:27 upstream 4634129ad9fd 2ca0d385 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2021/12/30 17:01 upstream eec4df26e24e 2e49f10d .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/12/27 19:33 upstream a8ad9a2434dc 5140bd58 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/12/26 06:52 upstream e2ae0d4a6b0b 6caa12e4 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2021/12/23 06:28 upstream 3f066e882bf1 6caa12e4 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/12/23 03:03 upstream 3f066e882bf1 6caa12e4 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root 2021/12/16 15:54 upstream 2b14864acbaa 8dd6a5e3 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/12/16 14:04 upstream 2b14864acbaa 8dd6a5e3 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/12/16 01:15 upstream 2b14864acbaa 572bcb40 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2021/12/16 00:15 upstream 2b14864acbaa 572bcb40 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root 2021/12/11 21:40 upstream 6f513529296f 49ca1f59 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce 2021/12/09 10:44 upstream 2a987e65025e a4a2a501 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce 2021/12/08 23:09 upstream 2a987e65025e a4a2a501 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2021/12/08 09:14 upstream 2a987e65025e 0230ba3e .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce 2021/12/08 02:31 upstream cd8c917a56f2 0230ba3e .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root 2021/12/08 01:26 upstream cd8c917a56f2 0230ba3e .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/12/06 20:55 upstream 0fcfb00b28c0 579a8754 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/12/06 09:02 upstream 944207047ca4 a617004c .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root 2021/12/06 00:29 upstream 944207047ca4 a617004c .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2021/12/05 19:54 upstream 79a72162048e a617004c .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root 2021/12/05 11:11 upstream 79a72162048e a617004c .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2021/12/04 23:42 upstream bbef3c7a63d2 a617004c .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce 2021/12/04 16:46 upstream 12119cfa1052 a617004c .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2021/12/03 02:22 upstream a51e3ac43ddb 61f86278 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/12/02 12:29 upstream 58e1100fdc59 61f86278 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce 2021/12/01 20:37 upstream 58e1100fdc59 5fa3eacc .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/12/01 18:08 upstream 58e1100fdc59 5fa3eacc .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce 2021/12/01 12:18 upstream 58e1100fdc59 5fa3eacc .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce 2021/12/01 04:22 upstream f080815fdb3e 80270552 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2021/11/30 02:28 upstream d58071a8a76d d0830353 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/11/28 17:41 upstream 3498e7f2bb41 63eeac02 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root 2021/11/27 09:59 upstream c5c17547b778 63eeac02 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/11/27 07:34 upstream c5c17547b778 63eeac02 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-selinux-root 2021/11/25 05:30 upstream 5f53fa508db0 545ab074 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2021/11/23 22:05 upstream 136057256686 545ab074 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce 2021/11/22 09:04 upstream 40c93d7fff6f 4eb20a4e .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-smack-root 2021/11/22 05:10 upstream 40c93d7fff6f 4eb20a4e .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-root 2021/11/21 19:31 upstream 923dcc5eb0c1 4eb20a4e .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce 2021/11/21 18:09 upstream 923dcc5eb0c1 4eb20a4e .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-386 2022/01/03 05:09 upstream 1286cc4893cf e1768e9c .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-386 2021/12/04 11:48 upstream 12119cfa1052 a617004c .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-kasan-gce-386 2021/12/02 16:49 upstream 58e1100fdc59 61f86278 .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 2021/12/22 10:25 linux-next 07f8c60fe60f 6caa12e4 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root 2021/12/10 05:18 linux-next 4eee8d0b64ec 4d4ce9bc .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root 2021/12/03 18:06 linux-next f81e94e91878 c7c20675 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root 2021/12/03 16:31 linux-next f81e94e91878 c7c20675 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root 2021/11/25 09:57 linux-next f81e94e91878 545ab074 .config log report info INFO: task hung in usb_get_descriptor
ci-upstream-linux-next-kasan-gce-root 2021/11/21 21:17 linux-next 5191249f8803 4eb20a4e .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