syzbot


INFO: task hung in devlink_reload_enable

Status: upstream: reported on 2024/08/23 13:58
Reported-by: syzbot+605f1e9c432261d820ef@syzkaller.appspotmail.com
First crash: 60d, last: 60d

Sample crash report:
INFO: task syz-executor:17283 blocked for more than 149 seconds.
      Not tainted 5.15.165-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21432 pid:17283 ppid:     1 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6515
 __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
 devlink_reload_enable+0x17/0x60 net/core/devlink.c:9003
 nsim_dev_probe+0x884/0x9f0 drivers/net/netdevsim/dev.c:1518

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/23 13:58 linux-5.15.y fa93fa65db6e d7d32352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: task hung in devlink_reload_enable
* Struck through repros no longer work on HEAD.