Thread (6 messages) 6 messages, 5 authors, 2020-03-10

Re: [PATCH v2 3/5] exec: Move cleanup of posix timers on exec out of de_thread

From: Kees Cook <hidden>
Date: 2020-03-10 20:31:25
Also in: linux-doc, linux-fsdevel, linux-mm, lkml, stable

Possibly related (same subject, not in this thread)

On Sun, Mar 08, 2020 at 04:36:55PM -0500, Eric W. Biederman wrote:
quoted hunk ↗ jump to hunk
These functions have very little to do with de_thread move them out
of de_thread an into flush_old_exec proper so it can be more clearly
seen what flush_old_exec is doing.

Signed-off-by: "Eric W. Biederman" <redacted>
---
 fs/exec.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/exec.c b/fs/exec.c
index ff74b9a74d34..215d86f77b63 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1189,11 +1189,6 @@ static int de_thread(struct task_struct *tsk)
 	/* we have changed execution domain */
 	tsk->exit_signal = SIGCHLD;
 
-#ifdef CONFIG_POSIX_TIMERS
-	exit_itimers(sig);
-	flush_itimer_signals();
-#endif
-
 	BUG_ON(!thread_group_leader(tsk));
 	return 0;
 
@@ -1277,6 +1272,11 @@ int flush_old_exec(struct linux_binprm * bprm)
 	if (retval)
 		goto out;
 
+#ifdef CONFIG_POSIX_TIMERS
+	exit_itimers(me->signal);
+	flush_itimer_signals();
+#endif
+
I twitch at seeing #ifdefs in .c instead of hidden in the .h declarations
of these two functions, but as this is a copy/paste, I'll live. ;)

Reviewed-by: Kees Cook <redacted>

-Kees
 	/*
 	 * Make the signal table private.
 	 */
-- 
2.25.0
-- 
Kees Cook
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help