| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in perf_uprobe_destroy trace | 1 | 2 | 2507d | 2539d | 0/29 | auto-closed as invalid on 2019/09/08 15:37 |
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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in perf_uprobe_destroy trace | 1 | 2 | 2507d | 2539d | 0/29 | auto-closed as invalid on 2019/09/08 15:37 |
INFO: task syz-executor.2:22734 blocked for more than 141 seconds.
Not tainted 5.15.0-next-20211112-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28776 pid:22734 ppid: 6545 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:4984 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6265
schedule+0xd2/0x260 kernel/sched/core.c:6338
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6397
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
perf_uprobe_destroy+0x23/0x130 kernel/trace/trace_event_perf.c:347
_free_event+0x2ee/0x1390 kernel/events/core.c:4982
put_event kernel/events/core.c:5076 [inline]
perf_event_release_kernel+0x6f2/0x940 kernel/events/core.c:5191
perf_release+0x33/0x40 kernel/events/core.c:5201
__fput+0x286/0x9f0 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
exit_task_work include/linux/task_work.h:32 [inline]
do_exit+0xc14/0x2b40 kernel/exit.c:832
do_group_exit+0x125/0x310 kernel/exit.c:929
get_signal+0x47d/0x2220 kernel/signal.c:2830
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4775a97ae9
RSP: 002b:00007f477300d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f4775baaf68 RCX: 00007f4775a97ae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4775baaf68
RBP: 00007f4775baaf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4775baaf6c
R13: 00007ffdd557babf R14: 00007f477300d300 R15: 0000000000022000
</TASK>
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021/11/14 17:46 | linux-next | f2e19fd15bd7 | 83f5c9b5 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in perf_uprobe_destroy |