| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] INFO: task hung in cgroup_can_fork | 0 (1) | 2021/12/22 22:13 |
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| Title | Replies (including bot) | Last reply |
|---|---|---|
| [syzbot] INFO: task hung in cgroup_can_fork | 0 (1) | 2021/12/22 22:13 |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in cgroup_can_fork (2) cgroups | 5 | 185d | 265d | 0/28 | auto-obsoleted due to no activity on 2024/12/20 05:36 | |||
| linux-6.1 | INFO: task hung in cgroup_can_fork | 1 | 153d | 153d | 0/3 | auto-obsoleted due to no activity on 2025/01/30 16:24 | |||
| linux-5.15 | INFO: task hung in cgroup_can_fork | 1 | 171d | 171d | 0/3 | auto-obsoleted due to no activity on 2025/01/13 02:23 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2023/09/02 20:57 | 26m | retest repro | upstream | OK log | |
| 2023/06/22 09:32 | 18m | retest repro | upstream | report log | |
| 2023/04/12 23:11 | 19m | retest repro | upstream | report log | |
| 2022/12/30 03:31 | 18m | retest repro | upstream | report log | |
| 2022/09/20 19:29 | 14m | retest repro | upstream | report log |
INFO: task syz-executor812:3663 blocked for more than 165 seconds.
Not tainted 5.16.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor812 state:D stack:27552 pid: 3663 ppid: 3654 flags:0x00000000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4972 [inline]
context_switch kernel/sched/core.c:4972 [inline] kernel/sched/core.c:6253
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock_common kernel/locking/mutex.c:680 [inline] kernel/locking/mutex.c:740
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740 kernel/locking/mutex.c:740
cgroup_css_set_fork kernel/cgroup/cgroup.c:6090 [inline]
cgroup_css_set_fork kernel/cgroup/cgroup.c:6090 [inline] kernel/cgroup/cgroup.c:6206
cgroup_can_fork+0x888/0xeb0 kernel/cgroup/cgroup.c:6206 kernel/cgroup/cgroup.c:6206
copy_process+0x3636/0x75a0 kernel/fork.c:2292 kernel/fork.c:2292
kernel_clone+0xe7/0xab0 kernel/fork.c:2582 kernel/fork.c:2582
__do_sys_clone3+0x1ca/0x2e0 kernel/fork.c:2857 kernel/fork.c:2857
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_x64 arch/x86/entry/common.c:50 [inline] arch/x86/entry/common.c:80
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fbc074509a9
RSP: 002b:00007fbc074022f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 0000000000000031 RCX: 00007fbc074509a9
RDX: 00007fbc074509a9 RSI: 0000000000000058 RDI: 0000000020000080
RBP: 00007fbc074d8408 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbc074d8400
R13: 00007fbc074d840c R14: 00007fbc074a6074 R15: 0000000280000000
</TASK>
INFO: task syz-executor812:3664 blocked for more than 172 seconds.
Not tainted 5.16.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor812 state:D stack:27552 pid: 3664 ppid: 1 flags:0x00000000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4972 [inline]
context_switch kernel/sched/core.c:4972 [inline] kernel/sched/core.c:6253
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock_common kernel/locking/mutex.c:680 [inline] kernel/locking/mutex.c:740
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740 kernel/locking/mutex.c:740
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021/12/18 22:02 | upstream | 9eaa88c7036e | 44068e19 | .config | console log | report | syz | C | ci-upstream-kasan-gce | INFO: task hung in cgroup_can_fork | ||
| 2022/01/12 13:29 | upstream | daadb3bd0e8d | 44d1319a | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in cgroup_can_fork | |||
| 2021/12/22 10:16 | upstream | 2f47a9a4dfa3 | 6caa12e4 | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in cgroup_can_fork | |||
| 2021/12/22 09:58 | upstream | 2f47a9a4dfa3 | 6caa12e4 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in cgroup_can_fork | |||
| 2021/12/19 22:51 | upstream | 3f667b5d4053 | 44068e19 | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in cgroup_can_fork | |||
| 2021/12/18 14:21 | upstream | 9eaa88c7036e | 44068e19 | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in cgroup_can_fork |