From bbd90cc04bfe774d435fa42f56cba6facb35b4c7 Mon Sep 17 00:00:00 2001
From: Martin Dosch <martin@mdosch.de>
Date: Wed, 27 Mar 2024 21:12:42 +0100
Subject: [PATCH] Copy token in nextStart function.

See
https://github.com/xmppo/go-xmpp/commit/bc81053dbcc048fbd2ec60ca4cdf9d2ab4f34834#commitcomment-140301890
and https://github.com/xmppo/go-xmpp/commit/bc81053dbcc048fbd2ec60ca4cdf9d2ab4f34834#commitcomment-140303962
---
 xmpp.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/xmpp.go b/xmpp.go
index d423278..43199f7 100644
--- a/xmpp.go
+++ b/xmpp.go
@@ -1466,11 +1466,12 @@ type rosterItem struct {
 func (c *Client) nextStart() (xml.StartElement, error) {
 	for {
 		c.nextMutex.Lock()
-		t, err := c.p.Token()
-		if err != nil || t == nil {
+		to, err := c.p.Token()
+		if err != nil || to == nil {
 			c.nextMutex.Unlock()
 			return xml.StartElement{}, err
 		}
+		t := xml.CopyToken(to)
 		switch t := t.(type) {
 		case xml.StartElement:
 			c.nextMutex.Unlock()