From 1a90087543485763d8e6124a1818e10637e512ae Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Wed, 2 Nov 2022 16:05:05 +0100
Subject: [PATCH 09/28] malloc-fail: Fix memory leak in xmlSAX2ExternalSubset

Found with libFuzzer, see #344.

Reference: https://github.com/GNOME/libxml2/commit/7ceaee9430ca24bda7f2480f387dbebfc259002a
Conflict: NA
---
 SAX2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/SAX2.c b/SAX2.c
index 9801393..96bbcb3 100644
--- a/SAX2.c
+++ b/SAX2.c
@@ -436,6 +436,7 @@ xmlSAX2ExternalSubset(void *ctx, const xmlChar *name,
 	                 xmlMalloc(5 * sizeof(xmlParserInputPtr));
 	if (ctxt->inputTab == NULL) {
 	    xmlSAX2ErrMemory(ctxt, "xmlSAX2ExternalSubset");
+            xmlFreeInputStream(input);
 	    ctxt->input = oldinput;
 	    ctxt->inputNr = oldinputNr;
 	    ctxt->inputMax = oldinputMax;
-- 
2.27.0