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From cf77e60515045bdd66f2c59c69a06e603b470eae Mon Sep 17 00:00:00 2001
From: Gaurav Gupta <g.gupta@samsung.com>
Date: Wed, 30 Sep 2015 14:46:29 +0200
Subject: [PATCH] Add missing Null check in xmlParseExternalEntityPrivate
For https://bugzilla.gnome.org/show_bug.cgi?id=755857
a case where we check for NULL but not everywhere
---
parser.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/parser.c b/parser.c
index f1724a9..a65e4cc 100644
--- a/parser.c
+++ b/parser.c
@@ -13367,7 +13367,7 @@ xmlParseExternalEntityPrivate(xmlDocPtr doc, xmlParserCtxtPtr oldctxt,
/*
* Also record the size of the entity parsed
*/
- if (ctxt->input != NULL) {
+ if (ctxt->input != NULL && oldctxt != NULL) {
oldctxt->sizeentities += ctxt->input->consumed;
oldctxt->sizeentities += (ctxt->input->cur - ctxt->input->base);
}
@@ -13379,9 +13379,11 @@ xmlParseExternalEntityPrivate(xmlDocPtr doc, xmlParserCtxtPtr oldctxt,
if (sax != NULL)
ctxt->sax = oldsax;
- oldctxt->node_seq.maximum = ctxt->node_seq.maximum;
- oldctxt->node_seq.length = ctxt->node_seq.length;
- oldctxt->node_seq.buffer = ctxt->node_seq.buffer;
+ if (oldctxt != NULL) {
+ oldctxt->node_seq.maximum = ctxt->node_seq.maximum;
+ oldctxt->node_seq.length = ctxt->node_seq.length;
+ oldctxt->node_seq.buffer = ctxt->node_seq.buffer;
+ }
ctxt->node_seq.maximum = 0;
ctxt->node_seq.length = 0;
ctxt->node_seq.buffer = NULL;
--
2.6.3
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