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| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2025-07-09 20:27:52 +0900 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-07-09 13:40:17 +0200 |
| commit | 3da6bb419750f3ad834786d6ba7c9d5d062c770b (patch) | |
| tree | bae6e958112ec02dca0bc0ae0ddb66bffa70bd5d /scripts/gdb/linux/xarray.py | |
| parent | d7b8f8e20813f0179d8ef519541a3527e7661d3a (diff) | |
perf/core: Fix WARN in perf_sigtrap()
Since exit_task_work() runs after perf_event_exit_task_context() updated
ctx->task to TASK_TOMBSTONE, perf_sigtrap() from perf_pending_task() might
observe event->ctx->task == TASK_TOMBSTONE.
Swap the early exit tests in order not to hit WARN_ON_ONCE().
Closes: https://syzkaller.appspot.com/bug?extid=2fe61cb2a86066be6985
Reported-by: syzbot <syzbot+2fe61cb2a86066be6985@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/b1c224bd-97f9-462c-a3e3-125d5e19c983@I-love.SAKURA.ne.jp
Diffstat (limited to 'scripts/gdb/linux/xarray.py')
0 files changed, 0 insertions, 0 deletions