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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in vti6_exit_batch_net (2) net | 1 | 1672d | 1672d | 0/28 | auto-closed as invalid on 2020/08/04 22:36 | |||
| upstream | INFO: task hung in vti6_exit_batch_net net | 1 | 1871d | 1871d | 0/28 | closed as invalid on 2019/10/23 07:54 |
INFO: task kworker/u4:3:47 blocked for more than 143 seconds.
Not tainted 6.1.92-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:3 state:D stack:23224 pid:47 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
vti6_exit_batch_net+0xb0/0x410 net/ipv6/ip6_vti.c:1185
ops_exit_list net/core/net_namespace.c:177 [inline]
cleanup_net+0x763/0xb60 net/core/net_namespace.c:604
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
INFO: task kworker/0:2:152 blocked for more than 143 seconds.
Not tainted 6.1.92-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:24288 pid:152 ppid:2 flags:0x00004000
Workqueue: events request_firmware_work_func
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
regdb_fw_cb+0x7e/0x1b0 net/wireless/reg.c:1053
request_firmware_work_func+0x199/0x270 drivers/base/firmware_loader/main.c:1107
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
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| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/05/28 07:14 | linux-6.1.y | 88690811da69 | f550015e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in vti6_exit_batch_net | ||
| 2024/05/27 15:30 | linux-6.1.y | 88690811da69 | 761766e6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in vti6_exit_batch_net | ||
| 2024/05/26 12:10 | linux-6.1.y | 88690811da69 | a10a183e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in vti6_exit_batch_net |