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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-22 09:14:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-22 09:14:19 -0700 |
| commit | 44b912cd0b55777796c5ae8ae857bd1d5ff83ed5 (patch) | |
| tree | 67a4e12799476ccfa4895b13f496e2b44a553625 | |
| parent | Merge tag 'for-5.3-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux (diff) | |
| parent | pidfd: fix a poll race when setting exit_state (diff) | |
| download | linux-dev-44b912cd0b55777796c5ae8ae857bd1d5ff83ed5.tar.xz linux-dev-44b912cd0b55777796c5ae8ae857bd1d5ff83ed5.zip | |
Merge tag 'for-linus-20190722' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull pidfd polling fix from Christian Brauner:
"A fix for pidfd polling. It ensures that the task's exit state is
visible to all waiters"
* tag 'for-linus-20190722' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
pidfd: fix a poll race when setting exit_state
| -rw-r--r-- | kernel/exit.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index a75b6a7f458a..4436158a6d30 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -720,6 +720,7 @@ static void exit_notify(struct task_struct *tsk, int group_dead) if (group_dead) kill_orphaned_pgrp(tsk->group_leader, NULL); + tsk->exit_state = EXIT_ZOMBIE; if (unlikely(tsk->ptrace)) { int sig = thread_group_leader(tsk) && thread_group_empty(tsk) && |