34 lines
948 B
Diff
34 lines
948 B
Diff
From f2bbca92d9dddca8807f6402b8fe0ac162a29269 Mon Sep 17 00:00:00 2001
|
|
From: Zhipeng Xie <xiezhipeng1@huawei.com>
|
|
Date: Wed, 7 Aug 2019 17:39:17 +0800
|
|
Subject: [PATCH] Fix memory leak in xmlParseBalancedChunkMemoryRecover
|
|
|
|
When doc is NULL, namespace created in xmlTreeEnsureXMLDecl
|
|
is bind to newDoc->oldNs, in this case, set newDoc->oldNs to
|
|
NULL and free newDoc will cause a memory leak.
|
|
|
|
Found with libFuzzer.
|
|
|
|
Signed-off-by: Zhipeng Xie <xiezhipeng1@huawei.com>
|
|
---
|
|
parser.c | 3 ++-
|
|
1 file changed, 2 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/parser.c b/parser.c
|
|
index 1ce1ccf..73b96ca 100644
|
|
--- a/parser.c
|
|
+++ b/parser.c
|
|
@@ -13894,7 +13894,8 @@ xmlParseBalancedChunkMemoryRecover(xmlDocPtr doc, xmlSAXHandlerPtr sax,
|
|
xmlFreeParserCtxt(ctxt);
|
|
newDoc->intSubset = NULL;
|
|
newDoc->extSubset = NULL;
|
|
- newDoc->oldNs = NULL;
|
|
+ if(doc != NULL)
|
|
+ newDoc->oldNs = NULL;
|
|
xmlFreeDoc(newDoc);
|
|
|
|
return(ret);
|
|
--
|
|
1.7.12.4
|
|
|