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| 🐞 Open [979] ≡ Subsystems 🐞 Fixed [5216] 🐞 Invalid [12474] ⬇ Missing Backports [82] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in kernfs_notify_workfn (2) kernfs | 1 | 1553d | 1553d | 0/26 | auto-closed as invalid on 2020/04/16 13:34 | |||
| linux-4.19 | INFO: task hung in kernfs_notify_workfn | 1 | 1483d | 1483d | 0/1 | auto-closed as invalid on 2020/07/25 12:09 |
INFO: task kworker/0:0:21667 blocked for more than 143 seconds.
Not tainted 5.3.0-rc2+ #86
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/0:0 D27224 21667 2 0x80004000
Workqueue: events kernfs_notify_workfn
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003
__mutex_lock_common kernel/locking/mutex.c:1007 [inline]
__mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092
kernfs_notify_workfn+0xe0/0x490 fs/kernfs/file.c:882
process_one_work+0x9af/0x1740 kernel/workqueue.c:2269
worker_thread+0x98/0xe40 kernel/workqueue.c:2415
kthread+0x361/0x430 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
INFO: task syz-executor.1:23303 blocked for more than 144 seconds.
Not tainted 5.3.0-rc2+ #86
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D24544 23303 23302 0x00004000
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003
__mutex_lock_common kernel/locking/mutex.c:1007 [inline]
__mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019/08/02 10:49 | upstream | 1e78030e5e5b | 835dffe7 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
| 2019/07/30 16:43 | upstream | 2a11c76e5301 | f28bf2a5 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
| 2019/07/29 06:23 | upstream | a9815a4fa2fd | c85e1c5b | .config | console log | report | ci-upstream-kasan-gce-selinux-root |