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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| linux-4.19 | INFO: task hung in mkiss_close | 1 | 1743d | 1743d | 0/1 | auto-closed as invalid on 2020/10/08 18:21 | |||
| upstream | INFO: task hung in mkiss_close net | 1 | 157d | 157d | 0/28 | auto-obsoleted due to no activity on 2025/01/11 18:51 |
INFO: task syz-executor.3:12022 blocked for more than 143 seconds.
Not tainted 5.15.160-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:27168 pid:12022 ppid: 11267 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
unregister_netdev+0x79/0x210 net/core/dev.c:11151
mkiss_close+0x147/0x1e0 drivers/net/hamradio/mkiss.c:797
tty_ldisc_kill+0xa6/0x1a0 drivers/tty/tty_ldisc.c:629
tty_ldisc_release+0x170/0x200 drivers/tty/tty_ldisc.c:803
tty_release_struct+0x27/0xd0 drivers/tty/tty_io.c:1708
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/05/27 13:30 | linux-5.15.y | c61bd26ae81a | 761766e6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in mkiss_close |