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INFO: task hung in msleep

Status: auto-obsoleted due to no activity on 2024/08/26 19:16
Subsystems: net
[Documentation on labels]
First crash: 248d, last: 245d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task can't die in msleep net C done 10 1404d 1401d 0/28 auto-obsoleted due to no activity on 2023/04/25 11:23

Sample crash report:
INFO: task kworker/1:8:5220 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc1-syzkaller-00021-ge0cce98fe279 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:8     state:D stack:22648 pid:5220  tgid:5220  ppid:2      flags:0x00004000
Workqueue: events nsim_fib_event_work

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6924
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6948
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x130/0x140 kernel/locking/spinlock.c:194
 __debug_object_init+0x26c/0x400 lib/debugobjects.c:645
 init_timer_on_stack_key kernel/time/timer.c:859 [inline]
 schedule_timeout+0x121/0x310 kernel/time/timer.c:2579
 schedule_timeout_uninterruptible kernel/time/timer.c:2615 [inline]
 msleep+0xa2/0xe0 kernel/time/timer.c:2736
 nsim_fib4_rt_add drivers/net/netdevsim/fib.c:369 [inline]
 nsim_fib4_rt_insert drivers/net/netdevsim/fib.c:432 [inline]
 nsim_fib4_event drivers/net/netdevsim/fib.c:464 [inline]
 nsim_fib_event drivers/net/netdevsim/fib.c:884 [inline]
 nsim_fib_event_work+0x213d/0x4130 drivers/net/netdevsim/fib.c:1492

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/28 19:15 upstream e0cce98fe279 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in msleep
2024/05/25 09:39 upstream 0b32d436c015 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in msleep
* Struck through repros no longer work on HEAD.