[glib: 1/2] gbookmarkfile: Fix some more minor leaks when metadata elements are repeated

[Emmanuele Bassi <ebassi src gnome org>]

commit 2860d4b50e5401f2c15c276a8af5dd5b33bafe51
Author: Philip Withnall <withnall endlessm com>
Date:   Mon Aug 6 13:36:21 2018 +0100

    gbookmarkfile: Fix some more minor leaks when metadata elements are repeated
    
    oss-fuzz#9723
    
    Signed-off-by: Philip Withnall <withnall endlessm com>

 glib/gbookmarkfile.c              | 3 ++-
 glib/tests/Makefile.am            | 1 +
 glib/tests/bookmarks/fail-40.xbel | 1 +
 3 files changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/glib/gbookmarkfile.c b/glib/gbookmarkfile.c
index 3f0275fb9..31706ba12 100644
--- a/glib/gbookmarkfile.c
+++ b/glib/gbookmarkfile.c
@@ -863,7 +863,8 @@ parse_application_element (GMarkupParseContext  *context,
       item->metadata->applications = g_list_prepend (item->metadata->applications, ai);
       g_hash_table_replace (item->metadata->apps_by_name, ai->name, ai);
     }
-      
+
+  g_free (ai->exec);
   ai->exec = g_strdup (exec);
   
   if (count)
diff --git a/glib/tests/Makefile.am b/glib/tests/Makefile.am
index 172d16607..2087f8332 100644
--- a/glib/tests/Makefile.am
+++ b/glib/tests/Makefile.am
@@ -165,6 +165,7 @@ dist_test_data += \
        bookmarks/fail-37.xbel \
        bookmarks/fail-38.xbel \
        bookmarks/fail-39.xbel \
+       bookmarks/fail-40.xbel \
        bookmarks/valid-01.xbel \
        bookmarks/valid-02.xbel \
        bookmarks/valid-03.xbel \
diff --git a/glib/tests/bookmarks/fail-40.xbel b/glib/tests/bookmarks/fail-40.xbel
new file mode 100644
index 000000000..9ce48a828
--- /dev/null
+++ b/glib/tests/bookmarks/fail-40.xbel
@@ -0,0 +1 @@
+<xbel version="1.0"><bookmark href=""><info><metadata 
owner="http://freedesktop.org";><applications><application name=""exec=""/><application name=""exec=""/
\ No newline at end of file