[v6,03/16] exec: Move cleanup of posix timers on exec out of de_thread
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Message ID AM6PR03MB5170CCB8D8B36F6002446FBDE4F50@AM6PR03MB5170.eurprd03.prod.outlook.com
State New
Headers show
Series
  • Infrastructure to allow fixing exec deadlocks
Related show

Commit Message

Bernd Edlinger March 20, 2020, 8:25 p.m. UTC
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" <ebiederm@xmission.com>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com>
---
 fs/exec.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

Patch
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diff --git a/fs/exec.c b/fs/exec.c
index ff74b9a..215d86f7 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
+
 	/*
 	 * Make the signal table private.
 	 */