From e9acfceb104c8f9ccec8b468b5d111844285f43a Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Tue, 10 May 2022 14:10:17 +0900
Subject: [PATCH] core/timer: fix potential use-after-free

(cherry picked from commit 756491af392a99c4286d876b0041535e50df80ad)

Related: #2087652
---
 src/core/timer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/timer.c b/src/core/timer.c
index 0dc49dd46b..b439802bc2 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) {