From ac746afd33a938b6704ba32824e076af939665fb Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Wed, 15 Feb 2023 13:54:55 +0100
Subject: [PATCH] malloc-fail: Fix memory leak in xmlXPathTryStreamCompile

Found with libFuzzer, see #344.
---
 xpath.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xpath.c b/xpath.c
index 18e3d72c..6e7fc032 100644
--- a/xpath.c
+++ b/xpath.c
@@ -14138,6 +14138,7 @@ xmlXPathTryStreamCompile(xmlXPathContextPtr ctxt, const xmlChar *str) {
 	    comp = xmlXPathNewCompExpr();
 	    if (comp == NULL) {
 		xmlXPathErrMemory(ctxt, "allocating streamable expression\n");
+	        xmlFreePattern(stream);
 		return(NULL);
 	    }
 	    comp->stream = stream;