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authorStefano Garzarella <sgarzare@redhat.com>2021-04-12 19:02:55 +0200
committerLaurent Vivier <laurent@vivier.eu>2021-05-13 18:06:40 +0200
commitb6d003dbee81f1bf419c7cceec0c4c358184a601 (patch)
treed88a95737ba2592e2f49d5f58b887bdc516cbfbb /util/cutils.c
parentfae5a0420754453beca3407250899254fb6745a1 (diff)
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cutils: fix memory leak in get_relocated_path()
get_relocated_path() allocates a GString object and returns the character data (C string) to the caller without freeing the memory allocated for that object as reported by valgrind: 24 bytes in 1 blocks are definitely lost in loss record 2,805 of 6,532 at 0x4839809: malloc (vg_replace_malloc.c:307) by 0x55AABB8: g_malloc (in /usr/lib64/libglib-2.0.so.0.6600.8) by 0x55C2481: g_slice_alloc (in /usr/lib64/libglib-2.0.so.0.6600.8) by 0x55C4827: g_string_sized_new (in /usr/lib64/libglib-2.0.so.0.6600.8) by 0x55C4CEA: g_string_new (in /usr/lib64/libglib-2.0.so.0.6600.8) by 0x906314: get_relocated_path (cutils.c:1036) by 0x6E1F77: qemu_read_default_config_file (vl.c:2122) by 0x6E1F77: qemu_init (vl.c:2687) by 0x3E3AF8: main (main.c:49) Let's use g_string_free(gstring, false) to free only the GString object and transfer the ownership of the character data to the caller. Fixes: f4f5ed2cbd ("cutils: introduce get_relocated_path") Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210412170255.231406-1-sgarzare@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'util/cutils.c')
-rw-r--r--util/cutils.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/util/cutils.c b/util/cutils.c
index ee90848..c9b91e7 100644
--- a/util/cutils.c
+++ b/util/cutils.c
@@ -1055,5 +1055,5 @@ char *get_relocated_path(const char *dir)
assert(G_IS_DIR_SEPARATOR(dir[-1]));
g_string_append(result, dir - 1);
}
- return result->str;
+ return g_string_free(result, false);
}