From 8b329effb610f4138e4e680f6a6867570f6d6179 Mon Sep 17 00:00:00 2001
From: Baruch Siach <baruch@tkos.co.il>
Date: Fri, 9 Feb 2018 10:58:11 +0200
Subject: [PATCH] CVE-2017-8872

Taken from attachment to upstream bug report comment #9.

https://bugzilla.gnome.org/show_bug.cgi?id=775200#c9
https://bugzilla.gnome.org/attachment.cgi?id=366193&action=diff

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
 parser.c | 4 ++++
 1 file changed, 4 insertions(+)

index 1c5e036ea265..025111067ae8 100644
--- parser.c
+++ parser.c
@@ -12465,6 +12465,10 @@ xmlHaltParser(xmlParserCtxtPtr ctxt) {
 	ctxt->input->cur = BAD_CAST"";
 	ctxt->input->base = ctxt->input->cur;
         ctxt->input->end = ctxt->input->cur;
+	if (ctxt->input->buf)
+		xmlBufEmpty (ctxt->input->buf->buffer);
+	else
+		ctxt->input->length = 0;
     }
 }