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| ID | Workflow | Result | Correct | Bug | Created | Started | Finished | Revision | Error |
|---|---|---|---|---|---|---|---|---|---|
| 481c0a97-e34b-4f9a-a466-5a168b084f44 | repro | 💥 | INFO: task hung in __cgroup_procs_write (2) | 2026/03/06 12:58 | 2026/03/06 12:58 | 2026/03/06 12:58 | 31e9c887f7dc24e04b3ca70d0d54fc34141844b0 | failed to run ["git" "fetch" "--force" "--tags" "433dfd5a8a5d80bbf0669b14e9ed908911a52dd6" "59e4d31a0470503dc922bad1970fc6a1c7dfd76b"]: exit status 128 |
| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in __cgroup_procs_write cgroups | 1 | 2 | 649d | 667d | 0/29 | auto-obsoleted due to no activity on 2024/10/08 12:21 | |||
| linux-5.15 | INFO: task hung in __cgroup_procs_write origin:upstream | 1 | C | error | 13 | 77d | 209d | 0/3 | upstream: reported C repro on 2025/09/23 17:05 | |
| linux-6.1 | INFO: task hung in __cgroup_procs_write origin:upstream | 1 | syz | error | 2 | 99d | 130d | 0/3 | upstream: reported syz repro on 2025/12/11 21:53 |
INFO: task syz-executor:6574 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:0 pid:6574 tgid:6574 ppid:1 task_flags:0x400140 flags:0x00000001
Call trace:
__switch_to+0x418/0x87c arch/arm64/kernel/process.c:742 (T)
context_switch kernel/sched/core.c:5256 [inline]
__schedule+0x1250/0x2a7c kernel/sched/core.c:6863
__schedule_loop kernel/sched/core.c:6945 [inline]
schedule+0xb4/0x230 kernel/sched/core.c:6960
schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7017
__mutex_lock_common+0xd04/0x2678 kernel/locking/mutex.c:692
__mutex_lock kernel/locking/mutex.c:776 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:828
cgroup_lock include/linux/cgroup.h:394 [inline]
cgroup_kn_lock_live+0x150/0x230 kernel/cgroup/cgroup.c:1735
__cgroup_procs_write+0x80/0x2a0 kernel/cgroup/cgroup.c:5370
cgroup_procs_write+0x34/0x60 kernel/cgroup/cgroup.c:5409
cgroup_file_write+0x2fc/0x630 kernel/cgroup/cgroup.c:4312
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/01/16 01:42 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 59e4d31a0470 | d6526ea3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in __cgroup_procs_write |