From 9dd92e124738bea45d60514e3aa597d7f999d907 Mon Sep 17 00:00:00 2001
From: Egor Kovetskiy <e.kovetskiy@office.ngs.ru>
Date: Fri, 10 Apr 2015 15:30:57 +0600
Subject: [PATCH] fix eternal cycle with malicious xml packet

---
 xmpp.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xmpp.go b/xmpp.go
index 889b68b..28991f2 100644
--- a/xmpp.go
+++ b/xmpp.go
@@ -685,7 +685,7 @@ type clientError struct {
 func nextStart(p *xml.Decoder) (xml.StartElement, error) {
 	for {
 		t, err := p.Token()
-		if err != nil && err != io.EOF {
+		if err != nil && err != io.EOF || t == nil {
 			return xml.StartElement{}, err
 		}
 		switch t := t.(type) {