| commit | d5b36a4dbd06c5e8e36ca8ccc552f679069e2946 | [log] [tgz] |
|---|---|---|
| author | Oleg Nesterov <oleg@redhat.com> | Mon Jul 11 18:16:25 2022 +0200 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Mon Jul 11 09:52:59 2022 -0700 |
| tree | 9c6f81aabf791e0e6bccf60d3882257374cd75f2 | |
| parent | 32346491ddf24599decca06190ebca03ff9de7f8 [diff] |
fix race between exit_itimers() and /proc/pid/timers As Chris explains, the comment above exit_itimers() is not correct, we can race with proc_timers_seq_ops. Change exit_itimers() to clear signal->posix_timers with ->siglock held. Cc: <stable@vger.kernel.org> Reported-by: chris@accessvector.net Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>