From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Tue, 10 May 2022 05:10:17 +0000 (+0900)
Subject: core/timer: fix potential use-after-free
X-Git-Tag: v251-rc3~25
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=756491af392a99c4286d876b0041535e50df80ad;p=thirdparty%2Fsystemd.git

core/timer: fix potential use-after-free
---

diff --git a/src/core/timer.c b/src/core/timer.c
index 17663a175b8..63256d541ac 100644
--- a/src/core/timer.c
+++ b/src/core/timer.c
@@ -68,7 +68,7 @@ static void timer_done(Unit *u) {
         t->monotonic_event_source = sd_event_source_disable_unref(t->monotonic_event_source);
         t->realtime_event_source = sd_event_source_disable_unref(t->realtime_event_source);
 
-        free(t->stamp_path);
+        t->stamp_path = mfree(t->stamp_path);
 }
 
 static int timer_verify(Timer *t) {