From cfbc1f48ee6259efaedcdc485d86b90e252da970 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Sun, 5 Mar 2023 14:06:51 +0100
Subject: [PATCH] malloc-fail: Fix memory leak in xmlSchemaParse

Found with libFuzzer, see #344.

Reference:https://github.com/GNOME/libxml2/commit/cfbc1f48ee6259efaedcdc485d86b90e252da970
Conflict:NA
---
 xmlschemas.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xmlschemas.c b/xmlschemas.c
index c68103c..fa9d113 100644
--- a/xmlschemas.c
+++ b/xmlschemas.c
@@ -21473,7 +21473,7 @@ xmlSchemaParse(xmlSchemaParserCtxtPtr ctxt)
     if (ctxt->constructor == NULL) {
 	ctxt->constructor = xmlSchemaConstructionCtxtCreate(ctxt->dict);
 	if (ctxt->constructor == NULL)
-	    return(NULL);
+	    goto exit_failure;
 	/* Take ownership of the constructor to be able to free it. */
 	ctxt->ownsConstructor = 1;
     }
-- 
2.27.0