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INFO: task hung in rcu_is_watching (2)

Status: auto-obsoleted due to no activity on 2025/02/28 17:14
Subsystems: kernel
[Documentation on labels]
First crash: 273d, last: 273d
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in rcu_is_watching kernel 1 1 383d 383d 0/29 auto-obsoleted due to no activity on 2024/11/10 17:08

Sample crash report:
INFO: task syz-executor:8961 blocked for more than 176 seconds.
      Not tainted 6.12.0-syzkaller-11677-g2ba9f676d0a2 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21280 pid:8961  tgid:8961  ppid:8949   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
 rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:737

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/30 17:07 upstream 2ba9f676d0a2 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in rcu_is_watching
* Struck through repros no longer work on HEAD.