syzbot


INFO: task hung in r871xu_dev_remove

Status: upstream: reported C repro on 2021/12/09 06:27
Subsystems: usb staging
[Documentation on labels]
Reported-by: syzbot+f39c1dad0b7db49ca4a8@syzkaller.appspotmail.com
First crash: 915d, last: 12h00m
Cause bisection: failed (error log, bisect log)
  
Discussions (14)
Title Replies (including bot) Last reply
[syzbot] Monthly usb report (Apr 2024) 0 (1) 2024/04/08 12:51
[syzbot] Monthly usb report (Mar 2024) 0 (1) 2024/03/08 08:53
[syzbot] Monthly usb report (Feb 2024) 0 (1) 2024/02/05 20:59
[syzbot] Monthly usb report (Jan 2024) 0 (1) 2024/01/05 13:17
[syzbot] Monthly staging report (Nov 2023) 0 (1) 2023/11/24 10:21
[syzbot] Monthly usb report (Nov 2023) 0 (1) 2023/11/03 20:48
[syzbot] Monthly usb report (Oct 2023) 0 (1) 2023/10/04 07:28
[syzbot] Monthly usb report (Sep 2023) 0 (1) 2023/09/04 08:33
[syzbot] Monthly usb report (Aug 2023) 0 (1) 2023/08/02 11:18
[syzbot] Monthly usb report (Jul 2023) 0 (1) 2023/07/03 09:03
[syzbot] Monthly usb report (May 2023) 0 (1) 2023/05/31 12:38
[syzbot] Monthly usb report (Apr 2023) 0 (1) 2023/05/01 09:05
[syzbot] Monthly staging report 0 (1) 2023/04/05 08:59
[syzbot] INFO: task hung in r871xu_dev_remove 1 (3) 2021/12/15 13:30
Last patch testing requests (11)
Created Duration User Patch Repo Result
2024/02/16 07:41 19m retest repro upstream report log
2024/02/16 07:41 28m retest repro upstream report log
2024/02/16 07:41 23m retest repro upstream report log
2024/02/16 07:41 26m retest repro upstream report log
2024/02/16 07:41 27m retest repro upstream report log
2024/01/30 22:27 2h54m retest repro upstream OK log
2024/01/30 22:27 17m retest repro upstream report log
2024/01/30 22:27 18m retest repro upstream report log
2024/01/30 22:27 20m retest repro upstream report log
2024/01/30 22:27 17m retest repro upstream report log
2022/01/24 12:34 12m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ 5472f14a3742 OK
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/02/23 12:46 39m bisect fix upstream job log (0) log

Sample crash report:
INFO: task kworker/0:0:8 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc7-syzkaller-00142-g3aaa8ce7a335 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:21680 pid:8     tgid:8     ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a3/0xd70 kernel/locking/mutex.c:752
 unregister_netdev+0x12/0x30 net/core/dev.c:11134
 r871xu_dev_remove+0xae/0x450 drivers/staging/rtl8712/usb_intf.c:596
 usb_unbind_interface+0x1d6/0x850 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x505/0x7c0 drivers/base/dd.c:1295
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574
 device_del+0x580/0xa30 drivers/base/core.c:3828
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1416
 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2267
 hub_port_connect drivers/usb/core/hub.c:5323 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5623 [inline]
 port_event drivers/usb/core/hub.c:5783 [inline]
 hub_event+0x1e62/0x50f0 drivers/usb/core/hub.c:5865
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x915/0x1420 kernel/workqueue.c:2706
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
INFO: task kworker/1:0:23 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc7-syzkaller-00142-g3aaa8ce7a335 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:21680 pid:23    tgid:23    ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2159
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x354/0x620 kernel/sched/completion.c:148
 r871xu_dev_remove+0x72/0x450 drivers/staging/rtl8712/usb_intf.c:594
 usb_unbind_interface+0x1d6/0x850 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x505/0x7c0 drivers/base/dd.c:1295
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574
 device_del+0x580/0xa30 drivers/base/core.c:3828
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1416
 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2267
 hub_port_connect drivers/usb/core/hub.c:5323 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5623 [inline]
 port_event drivers/usb/core/hub.c:5783 [inline]
 hub_event+0x1e62/0x50f0 drivers/usb/core/hub.c:5865
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x915/0x1420 kernel/workqueue.c:2706
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
INFO: task kworker/1:2:779 blocked for more than 144 seconds.
      Not tainted 6.8.0-rc7-syzkaller-00142-g3aaa8ce7a335 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:21680 pid:779   tgid:779   ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2159
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x354/0x620 kernel/sched/completion.c:148
 r871xu_dev_remove+0x72/0x450 drivers/staging/rtl8712/usb_intf.c:594
 usb_unbind_interface+0x1d6/0x850 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x505/0x7c0 drivers/base/dd.c:1295
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574
 device_del+0x580/0xa30 drivers/base/core.c:3828
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1416
 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2267
 hub_port_connect drivers/usb/core/hub.c:5323 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5623 [inline]
 port_event drivers/usb/core/hub.c:5783 [inline]
 hub_event+0x1e62/0x50f0 drivers/usb/core/hub.c:5865
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x915/0x1420 kernel/workqueue.c:2706
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
INFO: task kworker/0:2:1049 blocked for more than 144 seconds.
      Not tainted 6.8.0-rc7-syzkaller-00142-g3aaa8ce7a335 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D stack:21680 pid:1049  tgid:1049  ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2159
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x354/0x620 kernel/sched/completion.c:148
 r871xu_dev_remove+0x72/0x450 drivers/staging/rtl8712/usb_intf.c:594
 usb_unbind_interface+0x1d6/0x850 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x505/0x7c0 drivers/base/dd.c:1295
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574
 device_del+0x580/0xa30 drivers/base/core.c:3828
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1416
 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2267
 hub_port_connect drivers/usb/core/hub.c:5323 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5623 [inline]
 port_event drivers/usb/core/hub.c:5783 [inline]
 hub_event+0x1e62/0x50f0 drivers/usb/core/hub.c:5865
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x915/0x1420 kernel/workqueue.c:2706
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
INFO: task kworker/1:3:5006 blocked for more than 144 seconds.
      Not tainted 6.8.0-rc7-syzkaller-00142-g3aaa8ce7a335 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3     state:D stack:21240 pid:5006  tgid:5006  ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2159
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x354/0x620 kernel/sched/completion.c:148
 r871xu_dev_remove+0x72/0x450 drivers/staging/rtl8712/usb_intf.c:594
 usb_unbind_interface+0x1d6/0x850 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x505/0x7c0 drivers/base/dd.c:1295
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574
 device_del+0x580/0xa30 drivers/base/core.c:3828
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1416
 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2267
 hub_port_connect drivers/usb/core/hub.c:5323 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5623 [inline]
 port_event drivers/usb/core/hub.c:5783 [inline]
 hub_event+0x1e62/0x50f0 drivers/usb/core/hub.c:5865
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x915/0x1420 kernel/workqueue.c:2706
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
INFO: task kworker/1:4:5082 blocked for more than 145 seconds.
      Not tainted 6.8.0-rc7-syzkaller-00142-g3aaa8ce7a335 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:21424 pid:5082  tgid:5082  ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2159
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x354/0x620 kernel/sched/completion.c:148
 r871xu_dev_remove+0x72/0x450 drivers/staging/rtl8712/usb_intf.c:594
 usb_unbind_interface+0x1d6/0x850 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x505/0x7c0 drivers/base/dd.c:1295
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574
 device_del+0x580/0xa30 drivers/base/core.c:3828
 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1416
 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2267
 hub_port_connect drivers/usb/core/hub.c:5323 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5623 [inline]
 port_event drivers/usb/core/hub.c:5783 [inline]
 hub_event+0x1e62/0x50f0 drivers/usb/core/hub.c:5865
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x915/0x1420 kernel/workqueue.c:2706
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
INFO: task kworker/1:5:5085 blocked for more than 145 seconds.
      Not tainted 6.8.0-rc7-syzkaller-00142-g3aaa8ce7a335 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:28144 pid:5085  tgid:5085  ppid:2      flags:0x00004000
Workqueue: events_power_efficient crda_timeout_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a3/0xd70 kernel/locking/mutex.c:752
 crda_timeout_work+0x15/0x50 net/wireless/reg.c:538
 process_one_work kernel/workqueue.c:2633 [inline]
 process_scheduled_works+0x915/0x1420 kernel/workqueue.c:2706
 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
 </TASK>

Showing all locks held in the system:
6 locks held by kworker/0:0/8:
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc900000d7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc900000d7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffff8880235d5190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #2: ffff8880235d5190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x50f0 drivers/usb/core/hub.c:5811
 #3: ffff88801be89190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #3: ffff88801be89190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x103/0x950 drivers/usb/core/hub.c:2258
 #4: ffff88801c2e5160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #4: ffff88801c2e5160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff88801c2e5160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1292
 #5: ffffffff8f375d88 (rtnl_mutex){+.+.}-{3:3}, at: unregister_netdev+0x12/0x30 net/core/dev.c:11134
3 locks held by kworker/0:1/9:
 #0: ffff888029aec138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888029aec138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc900000e7d20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc900000e7d20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffffffff8f375d88 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4686
5 locks held by kworker/u4:0/11:
 #0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
 #1: ffff8880b9528988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
 #2: ffff8880b9528988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_change+0xfd/0x280 kernel/sched/psi.c:912
 #3: ffffffff94750670 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x16d/0x510 lib/debugobjects.c:708
 #4: ffffffff8dfe11e8 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:145
5 locks held by kworker/1:0/23:
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc900001d7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc900001d7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffff88802372f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #2: ffff88802372f190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x50f0 drivers/usb/core/hub.c:5811
 #3: ffff88802e351190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #3: ffff88802e351190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x103/0x950 drivers/usb/core/hub.c:2258
 #4: ffff8880219ce160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #4: ffff8880219ce160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff8880219ce160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1292
3 locks held by kworker/1:1/27:
 #0: ffff888014c74938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888014c74938 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc90000a2fd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc90000a2fd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffffffff8f375d88 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10369
1 lock held by khungtaskd/29:
 #0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
 #0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
 #0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
5 locks held by kworker/1:2/779:
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc9000379fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc9000379fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffff88802369e190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #2: ffff88802369e190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x50f0 drivers/usb/core/hub.c:5811
 #3: ffff88801baf5190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #3: ffff88801baf5190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x103/0x950 drivers/usb/core/hub.c:2258
 #4: ffff88801c7b5160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #4: ffff88801c7b5160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff88801c7b5160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1292
5 locks held by kworker/0:2/1049:
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc900043bfd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc900043bfd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffff888023636190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #2: ffff888023636190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x50f0 drivers/usb/core/hub.c:5811
 #3: ffff88801c2e3190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #3: ffff88801c2e3190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x103/0x950 drivers/usb/core/hub.c:2258
 #4: ffff88801c38e160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #4: ffff88801c38e160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff88801c38e160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1292
2 locks held by dhcpcd/4733:
 #0: ffffffff8f375d88 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1091
 #1: ffff88807a41cdf0 (&padapter->mutex_start){+.+.}-{3:3}, at: netdev_open+0x35/0x730 drivers/staging/rtl8712/os_intfs.c:391
2 locks held by getty/4819:
 #0: ffff88802f1910a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
5 locks held by kworker/1:3/5006:
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc9000406fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc9000406fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffff888023641190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #2: ffff888023641190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x50f0 drivers/usb/core/hub.c:5811
 #3: ffff88801933d190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #3: ffff88801933d190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x103/0x950 drivers/usb/core/hub.c:2258
 #4: ffff88807ca0e160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #4: ffff88807ca0e160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff88807ca0e160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1292
1 lock held by strace-static-x/5065:
 #0: ffff8880b953c958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
3 locks held by syz-executor222/5069:
 #0: ffff8880b953c958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
 #1: ffff8880b9528988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
 #2: ffff88802367c3b8 (&sig->wait_chldexit){....}-{2:2}, at: __wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105
5 locks held by kworker/1:4/5082:
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888015ec2938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc900042afd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc900042afd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffff8880236e1190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #2: ffff8880236e1190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x50f0 drivers/usb/core/hub.c:5811
 #3: ffff88801b3ea190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #3: ffff88801b3ea190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x103/0x950 drivers/usb/core/hub.c:2258
 #4: ffff8880219c8160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #4: ffff8880219c8160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff8880219c8160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1292
3 locks held by kworker/1:5/5085:
 #0: ffff888014c75d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888014c75d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc900042dfd20 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc900042dfd20 ((crda_timeout).work){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffffffff8f375d88 (rtnl_mutex){+.+.}-{3:3}, at: crda_timeout_work+0x15/0x50 net/wireless/reg.c:538
3 locks held by kworker/1:6/5086:
 #0: ffff888014c74938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888014c74938 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc900042ffd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc900042ffd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffffffff8f375d88 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10369
3 locks held by kworker/0:4/5094:
 #0: ffff888014c74938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888014c74938 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc90004357d20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc90004357d20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffffffff8f375d88 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10369
3 locks held by kworker/1:7/5095:
 #0: ffff888014c74938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888014c74938 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc90004367d20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc90004367d20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffffffff8f375d88 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10369
3 locks held by kworker/1:8/5101:
 #0: ffff888014c74938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888014c74938 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc9000428fd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc9000428fd20 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffffffff8f375d88 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x13/0x50 net/core/dev.c:10369
3 locks held by kworker/1:10/5550:
 #0: ffff888014c75d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #0: ffff888014c75d38 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #1: ffffc9000950fd20 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
 #1: ffffc9000950fd20 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
 #2: ffffffff8f375d88 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x91/0xe50 net/wireless/reg.c:2479

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

NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc7-syzkaller-00142-g3aaa8ce7a335 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xfaf/0xff0 kernel/hung_task.c:379
 kthread+0x2f1/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5065 Comm: strace-static-x Not tainted 6.8.0-rc7-syzkaller-00142-g3aaa8ce7a335 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:__lock_acquire+0x1/0x1fd0 kernel/locking/lockdep.c:4993
Code: 24 80 e1 07 80 c1 03 38 c1 7c 90 48 8b 3c 24 e8 85 71 84 00 eb 85 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <41> 57 41 56 41 55 41 54 53 48 81 ec 90 00 00 00 45 89 cd 44 89 44
RSP: 0018:ffffc9000416fc08 EFLAGS: 00000006
RAX: 0000000000000001 RBX: ffffc9000416fca0 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8de0a058
RBP: ffffc9000416fda0 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f0ad86 R12: 1ffff9200082df90
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000246
FS:  0000000000ef43c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555570a5650 CR3: 0000000079cc2000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline]
 _raw_read_lock+0x36/0x50 kernel/locking/spinlock.c:228
 ptrace_check_attach+0x2f/0x3a0 kernel/ptrace.c:250
 __do_sys_ptrace kernel/ptrace.c:1283 [inline]
 __se_sys_ptrace+0x136/0x450 kernel/ptrace.c:1261
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x4e987a
Code: 70 41 83 f8 03 c7 44 24 10 08 00 00 00 48 89 44 24 18 48 8d 44 24 30 8b 70 08 4c 0f 43 d1 48 89 44 24 20 b8 65 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 3e 48 85 c0 78 06 41 83 f8 02 76 1b 48 8b 54
RSP: 002b:00007ffd388b0eb0 EFLAGS: 00000206 ORIG_RAX: 0000000000000065
RAX: ffffffffffffffda RBX: 0000000000ef4368 RCX: 00000000004e987a
RDX: 0000000000000000 RSI: 00000000000013cd RDI: 0000000000000018
RBP: 0000000000000018 R08: 0000000000000017 R09: 00000000000003cd
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000ef5ce0
R13: 0000000000000000 R14: 0000000000ef5ce0 R15: 000000000063f160
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.306 msecs

Crashes (405):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/08 11:44 upstream 3aaa8ce7a335 cf82cde1 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in r871xu_dev_remove
2023/11/22 09:43 upstream c2d5304e6c64 cb976f63 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2023/11/21 08:02 upstream 98b1cc82c4af cb976f63 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2023/06/28 20:48 upstream e8f75c0270d9 8064cb02 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in r871xu_dev_remove
2023/05/08 17:15 upstream ac9a78681b92 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2022/09/05 18:38 upstream 7e18e42e4b28 922294ab .config console log report syz C ci-upstream-kasan-gce-selinux-root INFO: task hung in r871xu_dev_remove
2022/06/03 11:23 upstream 50fd82b3a9a9 02dddea8 .config strace log report syz C ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2022/04/23 23:54 upstream 13bc32bad705 131df97d .config console log report syz C ci-upstream-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/03/01 09:32 upstream 719fce7539cd 45a13a73 .config console log report syz C ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2021/12/15 13:29 upstream 5472f14a3742 f752fb53 .config console log report syz C ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2022/08/10 03:53 upstream 200e340f2196 c2a623d6 .config strace log report syz C ci-upstream-kasan-gce-selinux-root INFO: task hung in r871xu_dev_remove
2022/05/19 22:27 upstream f993aed406ea 50c53f39 .config console log report syz C ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2023/11/21 08:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 98b1cc82c4af cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/03/06 00:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 98d107b84614 7bdd8b2c .config console log report syz C ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/01/06 07:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 01ec4a2e8f01 6acc789a .config console log report syz C ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/01/24 12:43 linux-next 691781f561e9 9dfcf09c .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/08/25 04:37 linux-next 68a00424bf69 514514f6 .config console log report syz C ci-upstream-linux-next-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/07/21 16:28 linux-next cb71b93c2dc3 6e67af9d .config console log report syz C ci-upstream-linux-next-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/07/06 14:17 linux-next cb71b93c2dc3 bff65f44 .config console log report syz C ci-upstream-linux-next-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/05/28 03:30 upstream 8291eaafed36 a46af346 .config console log report syz ci-upstream-kasan-gce-root INFO: task hung in r871xu_dev_remove
2022/09/10 00:43 upstream 9b4509495418 356d8217 .config console log report syz ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2022/08/08 02:06 upstream 200e340f2196 88e3a122 .config strace log report syz ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2022/07/21 05:01 upstream 353f7988dd84 88cb1383 .config console log report syz ci-upstream-kasan-gce-selinux-root INFO: task hung in r871xu_dev_remove
2022/07/11 09:31 upstream d9919d43cbf6 b5765a15 .config console log report syz ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2022/04/14 16:35 upstream a19944809fe9 b17b2923 .config console log report syz ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2022/03/24 21:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 46d2c20b0b10 89bc8608 .config console log report syz ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2022/01/06 07:52 upstream 49ef78e59b07 6acc789a .config console log report syz C ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2024/03/30 22:43 upstream 480e035fc4c7 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2024/03/20 12:27 upstream fe46a7dd189e a485f239 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in r871xu_dev_remove
2024/02/28 01:09 upstream 45ec2f5f6ed3 05e69c83 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in r871xu_dev_remove
2023/12/31 17:45 upstream 453f5db0619e fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2023/12/05 18:34 upstream bee0e7762ad2 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in r871xu_dev_remove
2023/11/21 05:25 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2024/04/02 01:24 upstream fe46a7dd189e 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in r871xu_dev_remove
2024/03/01 12:52 upstream 87adedeba51a 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in r871xu_dev_remove
2023/08/19 10:52 upstream d4ddefee5160 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in r871xu_dev_remove
2024/04/22 02:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/04/18 00:42 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae acc528cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/04/15 11:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/04/08 18:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae 53df08b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/04/06 00:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae 77230c29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/04/02 15:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae eb2966c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/03/25 05:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae 0ea90952 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/03/21 20:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing a788e53c05ae 7a239ce7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/03/17 06:17 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d99e42ce6b83 d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/03/09 03:04 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d99e42ce6b83 8e75c913 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/02/20 22:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3bf0514dc6f3 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/02/02 04:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f1a27f081c1f d61103fc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2024/01/16 02:36 linux-next 8d04a7e2ee3f 2a7bcc7f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in r871xu_dev_remove
2023/12/20 14:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8be0c877fb3b 3ad490ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/12/19 10:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e9158c7e5533 3ad490ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/12/10 07:52 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 522c35e08b53 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/12/04 17:24 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing dadc0f0f7afc f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/12/02 14:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 24af68a0ed53 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/12/01 07:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 24af68a0ed53 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/11/26 08:18 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 6acba0345b68 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/11/21 10:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/11/20 01:08 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b85ea95d0864 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/11/12 02:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 3ca112b71f35 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/11/06 16:27 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d2f51b3516da 78fae24e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/10/30 17:59 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c70793fb7632 b5729d82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/10/27 16:44 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 9b6db9a3a675 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/10/25 03:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing ec0989703642 17e6d526 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/10/18 15:15 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 5220d8b04a84 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/10/12 02:50 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 1053c4a4b8fc 83165b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/09/25 15:33 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 6465e260f487 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/09/16 05:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0bb80ecc33a8 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/09/12 18:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 0bb80ecc33a8 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/09/01 12:02 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 895ed7eb263d 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/08/26 19:12 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aad6ad1b780a 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/08/26 18:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing aad6ad1b780a 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/08/23 05:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e16d5f1447e0 b81ca3f6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/08/22 20:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 09867af36969 b81ca3f6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/08/22 19:03 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 09867af36969 b81ca3f6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/08/15 20:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bbb9e06d2c64 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/08/15 10:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing bbb9e06d2c64 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/08/14 08:42 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 55c3e571d2a0 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/08/12 16:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 55c3e571d2a0 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2023/08/12 02:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f176638af476 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2021/12/09 03:32 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d598c3c46ea6 a4a2a501 .config console log report info ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2021/12/05 06:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing e1c72d907f4c a617004c .config console log report info ci2-upstream-usb INFO: task hung in r871xu_dev_remove
2021/10/19 22:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 8ef1e58783b9 466b7db1 .config console log report info ci2-upstream-usb INFO: task hung in r871xu_dev_remove
* Struck through repros no longer work on HEAD.