From 7329c6e09bf59ccae2d8d3e788ce43bb6af6c3db Mon Sep 17 00:00:00 2001
From: Philip Withnall <pwithnall@endlessos.org>
Date: Wed, 9 Mar 2022 14:07:34 +0000
Subject: [PATCH] gprintf: Fix a memory leak with an invalid format in
 g_vasprintf()

If using the fallback implementation of `g_vasprintf()`.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>

Coverity CID: #1474726
---
 glib/gprintf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/glib/gprintf.c b/glib/gprintf.c
index 555a630bc..0e094f00f 100644
--- a/glib/gprintf.c
+++ b/glib/gprintf.c
@@ -356,6 +356,12 @@ g_vasprintf (gchar      **string,
 
     len = _g_vsprintf (*string, format, args2);
     va_end (args2);
+
+    if (len < 0)
+      {
+        g_free (*string);
+        *string = NULL;
+      }
   }
 #endif