syzbot


INFO: task hung in hub_event (2)

Status: closed as invalid on 2022/02/08 09:40
Reported-by: syzbot+@syzkaller.appspotmail.com
First crash: 364d, last: 319d
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in hub_event 19 1148d 1324d 0/24 auto-closed as invalid on 2020/01/02 20:34
linux-4.14 INFO: task hung in hub_event 5 320d 342d 0/1 auto-closed as invalid on 2022/05/10 10:19

Sample crash report:
INFO: task kworker/1:2:135 blocked for more than 143 seconds.
      Not tainted 5.16.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:25640 pid:  135 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4972 [inline]
 __schedule+0xa9a/0x4900 kernel/sched/core.c:6253
 schedule+0xd2/0x260 kernel/sched/core.c:6326
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
 __mutex_lock_common kernel/locking/mutex.c:680 [inline]
 __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
 hub_port_connect drivers/usb/core/hub.c:5250 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 port_event drivers/usb/core/hub.c:5643 [inline]
 hub_event+0x1e40/0x4460 drivers/usb/core/hub.c:5725
 process_one_work+0x9b2/0x1660 kernel/workqueue.c:2298
 worker_thread+0x65d/0x1130 kernel/workqueue.c:2445
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8bb83da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
5 locks held by kworker/1:2/135:
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1660 kernel/workqueue.c:2269
 #1: ffffc900027bfdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273
 #2: ffff88801df71220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
 #2: ffff88801df71220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4460 drivers/usb/core/hub.c:5671
 #3: ffff8881476345c0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3086 [inline]
 #3: ffff8881476345c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5249 [inline]
 #3: ffff8881476345c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 #3: ffff8881476345c0 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5643 [inline]
 #3: ffff8881476345c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x1e17/0x4460 drivers/usb/core/hub.c:5725
 #4: ffff88801dd0e768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5250 [inline]
 #4: ffff88801dd0e768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 #4: ffff88801dd0e768 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5643 [inline]
 #4: ffff88801dd0e768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x1e40/0x4460 drivers/usb/core/hub.c:5725
2 locks held by getty/3284:
 #0: ffff88814b141098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252
 #1: 
ffffc90002b962e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113
3 locks held by kworker/0:3/3625:
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1660 kernel/workqueue.c:2269
 #1: ffffc9000290fdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273
 #2: ffff8881477d3220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
 #2: ffff8881477d3220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4460 drivers/usb/core/hub.c:5671
5 locks held by syz-executor.2/3721:
2 locks held by kworker/u4:31/21398:
 #0: ffff8880b9c39a98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478
 #1: ffffc90005b87db0 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273
5 locks held by kworker/0:7/23730:
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1660 kernel/workqueue.c:2269
 #1: ffffc900108d7db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273
 #2: ffff88801de9a220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
 #2: ffff88801de9a220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4460 drivers/usb/core/hub.c:5671
 #3: ffff88801de9e5c0 (
&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3086 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5249 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5643 [inline]
&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x1e17/0x4460 drivers/usb/core/hub.c:5725
 #4: ffff88801dd0e768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5250 [inline]
 #4: ffff88801dd0e768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 #4: ffff88801dd0e768 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5643 [inline]
 #4: ffff88801dd0e768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x1e40/0x4460 drivers/usb/core/hub.c:5725
3 locks held by kworker/u4:0/30856:
6 locks held by kworker/1:9/3434:
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline]
 #0: ffff888011bd5d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x896/0x1660 kernel/workqueue.c:2269
 #1: ffffc90005bb7db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273
 #2: ffff888147647220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
 #2: ffff888147647220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4460 drivers/usb/core/hub.c:5671
 #3: 
ffff88801df9a5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3086 [inline]
ffff88801df9a5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5249 [inline]
ffff88801df9a5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
ffff88801df9a5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5643 [inline]
ffff88801df9a5c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x1e17/0x4460 drivers/usb/core/hub.c:5725
 #4: ffff88801dddec68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5250 [inline]
 #4: ffff88801dddec68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 #4: ffff88801dddec68 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5643 [inline]
 #4: ffff88801dddec68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x1e40/0x4460 drivers/usb/core/hub.c:5725
 #5: ffffffff8ca35b70 (ehci_cf_port_reset_rwsem){.+.+}-{3:3}, at: hub_port_reset+0x191/0x1ba0 drivers/usb/core/hub.c:2948
5 locks held by syz-executor.4/18181:
 #0: ffff8880b9c39a98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478
 #1: ffff8880b9c279c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3a6/0x490 kernel/sched/psi.c:880
 #2: ffff88801ff10228 (&(&sig->stats_lock)->lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline]
 #2: ffff88801ff10228 (&(&sig->stats_lock)->lock){....}-{2:2}, at: write_seqlock include/linux/seqlock.h:890 [inline]
 #2: ffff88801ff10228 (&(&sig->stats_lock)->lock){....}-{2:2}, at: __exit_signal kernel/exit.c:135 [inline]
 #2: ffff88801ff10228 (&(&sig->stats_lock)->lock){....}-{2:2}, at: release_task+0x537/0x17e0 kernel/exit.c:200
 #3: ffff88801ff101e0 (&____s->seqcount#5){....}-{0:0}, at: exit_notify kernel/exit.c:705 [inline]
 #3: ffff88801ff101e0 (&____s->seqcount#5){....}-{0:0}, at: do_exit+0x15f9/0x2b40 kernel/exit.c:852
 #4: 
ffffffff8bb83da0
 (rcu_read_lock){....}-{1:2}, at: is_bpf_text_address+0x0/0x170 kernel/bpf/core.c:702
1 lock held by syz-executor.3/18523:
 #0: 
ffff8880b9d39a98
 (
&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478
1 lock held by syz-executor.4/18578:
 #0: ffff8880b9c39a98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478
2 locks held by syz-executor.1/18690:
1 lock held by syz-executor.4/18981:
5 locks held by syz-executor.4/18983:
5 locks held by syz-executor.2/19073:
 #0: 
ffff888076d90870
 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:1034
 #1: 
ffff88807f3b2460
 (
sb_writers#8){.+.+}-{0:0}, at: psi_task_switch+0x3a6/0x490 kernel/sched/psi.c:880
 #2: ffff8880b9d279c8
 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_enqueue kernel/sched/stats.h:131 [inline]
 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: enqueue_task kernel/sched/core.c:1995 [inline]
 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: activate_task kernel/sched/core.c:2024 [inline]
 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: ttwu_do_activate+0x2b4/0x7b0 kernel/sched/core.c:3600
 #3: ffff88801dee5748 (kn->active#240){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ab/0x500 fs/kernfs/file.c:288
 #4: 
ffff88801459a698 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xab/0x15a0 kernel/sched/core.c:4003
8 locks held by syz-executor.4/19456:
5 locks held by syz-executor.1/19462:
5 locks held by syz-executor.2/19469:

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

NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0xc1d/0xf50 kernel/hung_task.c:295
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 21398 Comm: kworker/u4:31 Not tainted 5.16.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__sanitizer_cov_trace_cmp4+0xc/0x70 kernel/kcov.c:260
Code: e8 48 c7 44 38 e0 07 00 00 00 48 89 4c 38 f0 4e 89 54 c8 20 48 89 10 c3 66 0f 1f 44 00 00 41 89 f8 bf 03 00 00 00 4c 8b 14 24 <89> f1 65 48 8b 34 25 40 70 02 00 e8 34 f8 ff ff 84 c0 74 4b 48 8b
RSP: 0018:ffffc90005b87c88 EFLAGS: 00000246
RAX: ffff88801d1f7880 RBX: 0000000000000400 RCX: ffffc90005b87c18
RDX: 1ffff1100bfbd4ea RSI: 0000000000000400 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000306 R09: 0000000000000000
R10: ffffffff88e034b1 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000306
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3b9541b1b8 CR3: 000000007f086000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:409 [inline]
 batadv_nc_worker+0x8a1/0xfa0 net/batman-adv/network-coding.c:723
 process_one_work+0x9b2/0x1660 kernel/workqueue.c:2298
 worker_thread+0x65d/0x1130 kernel/workqueue.c:2445
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
----------------
Code disassembly (best guess):
   0:	e8 48 c7 44 38       	callq  0x3844c74d
   5:	e0 07                	loopne 0xe
   7:	00 00                	add    %al,(%rax)
   9:	00 48 89             	add    %cl,-0x77(%rax)
   c:	4c 38 f0             	rex.WR cmp %r14b,%al
   f:	4e 89 54 c8 20       	mov    %r10,0x20(%rax,%r9,8)
  14:	48 89 10             	mov    %rdx,(%rax)
  17:	c3                   	retq
  18:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
  1e:	41 89 f8             	mov    %edi,%r8d
  21:	bf 03 00 00 00       	mov    $0x3,%edi
  26:	4c 8b 14 24          	mov    (%rsp),%r10
* 2a:	89 f1                	mov    %esi,%ecx <-- trapping instruction
  2c:	65 48 8b 34 25 40 70 	mov    %gs:0x27040,%rsi
  33:	02 00
  35:	e8 34 f8 ff ff       	callq  0xfffff86e
  3a:	84 c0                	test   %al,%al
  3c:	74 4b                	je     0x89
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b

Crashes (27):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/12/28 00:50 upstream a8ad9a2434dc 5140bd58 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce 2021/12/24 19:27 upstream 7a29b11da965 6caa12e4 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-root 2021/12/21 03:09 upstream 86085fe79e3c 62bd192b .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce 2021/12/18 22:57 upstream 9eaa88c7036e 44068e19 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-selinux-root 2021/12/08 23:34 upstream 2a987e65025e a4a2a501 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-root 2021/12/07 04:42 upstream f80ef9e49fdf 0230ba3e .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-selinux-root 2021/12/07 04:35 upstream f80ef9e49fdf 0230ba3e .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-root 2021/12/07 04:35 upstream f80ef9e49fdf 0230ba3e .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-root 2021/12/05 14:41 upstream 79a72162048e a617004c .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce 2021/12/04 23:17 upstream bbef3c7a63d2 a617004c .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-root 2021/12/04 22:41 upstream bbef3c7a63d2 a617004c .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce 2021/12/04 12:00 upstream 12119cfa1052 a617004c .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-selinux-root 2021/12/03 02:57 upstream a51e3ac43ddb 61f86278 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-selinux-root 2021/12/02 08:33 upstream 58e1100fdc59 61f86278 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-root 2021/12/01 13:19 upstream 58e1100fdc59 5fa3eacc .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-selinux-root 2021/12/01 05:03 upstream f080815fdb3e 80270552 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-root 2021/11/30 16:33 upstream d58071a8a76d 80270552 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-root 2021/11/29 20:20 upstream d58071a8a76d d0830353 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce 2021/11/29 07:43 upstream d06c942efea4 63eeac02 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce 2021/11/29 03:10 upstream d06c942efea4 63eeac02 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-root 2021/11/27 08:00 upstream c5c17547b778 63eeac02 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-386 2021/12/02 12:03 upstream 58e1100fdc59 61f86278 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-386 2021/12/02 09:14 upstream 58e1100fdc59 61f86278 .config log report info INFO: task hung in hub_event
ci-upstream-kasan-gce-386 2021/11/29 20:04 upstream d58071a8a76d d0830353 .config log report info INFO: task hung in hub_event
ci-upstream-linux-next-kasan-gce-root 2022/01/11 03:51 linux-next 57c149e506d5 ddb0ab8c .config log report info INFO: task hung in hub_event
ci-upstream-linux-next-kasan-gce-root 2021/11/29 21:24 linux-next f81e94e91878 d0830353 .config log report info INFO: task hung in hub_event
ci-upstream-linux-next-kasan-gce-root 2021/11/27 01:48 linux-next f81e94e91878 63eeac02 .config log report info INFO: task hung in hub_event
* Struck through repros no longer work on HEAD.