From 5416e027cc4aa8b0771df73933a427000ae449ba Mon Sep 17 00:00:00 2001
From: Rhodri James <rhodri@kynesim.co.uk>
Date: Tue, 25 Apr 2017 17:03:25 +0100
Subject: [PATCH] Validate parser parameter to XML_SetElementHandler

---
 expat/lib/xmlparse.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
index af21bed2..fbf98b24 100644
--- a/expat/lib/xmlparse.c
+++ b/expat/lib/xmlparse.c
@@ -1382,6 +1382,8 @@ XML_SetElementHandler(XML_Parser parser,
                       XML_StartElementHandler start,
                       XML_EndElementHandler end)
 {
+  if (parser == NULL)
+    return;
   startElementHandler = start;
   endElementHandler = end;
 }
-- 
2.40.0