machined-varlink: fix double free

Fixes: #18599
(cherry picked from commit feac9a1d1bf3f59adaa85f58b655ec01a111a29a)
(cherry picked from commit 1600b38cd2029533547f8c3d4abfa12911ca0630)
(cherry picked from commit 7f143dada7c0c9e230d4037043e213268c9b85f0)

diff --git a/src/machine/machined-varlink.c b/src/machine/machined-varlink.c
index 2d6c1991a4ece5e654736d82dbd1ba2cc69867ee..8c2e45654cc7a10db88196f151909fc6576bb179 100644 (file)
--- a/src/machine/machined-varlink.c
+++ b/src/machine/machined-varlink.c
@@ -297,7 +297,7 @@ static int group_lookup_name(Manager *m, const char *name, gid_t *ret_gid, char
                 desc = mfree(desc);
 
         *ret_gid = converted_gid;
-        *ret_description = desc;
+        *ret_description = TAKE_PTR(desc);
         return 0;
 }