From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Fri, 15 Mar 2019 14:53:02 +0000 (+0900)
Subject: nspawn: fix memleak
X-Git-Tag: v242-rc1~119^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1d0c1146eaa4db5a496c43d56f8a441d0faed3d7;p=thirdparty%2Fsystemd.git

nspawn: fix memleak

Fixes oss-fuzz#13691.
---

diff --git a/src/nspawn/nspawn-mount.c b/src/nspawn/nspawn-mount.c
index 12f557ee99c..4878586c4e5 100644
--- a/src/nspawn/nspawn-mount.c
+++ b/src/nspawn/nspawn-mount.c
@@ -304,7 +304,7 @@ int overlay_mount_parse(CustomMount **l, size_t *n, const char *s, bool read_onl
                 /* If the upper directory is unspecified, then let's create it automatically as a throw-away directory
                  * in /var/tmp */
                 if (isempty(upper))
-                        upper = NULL;
+                        upper = mfree(upper);
                 else if (!source_path_is_valid(upper))
                         return -EINVAL;