From 6f49f40ebe5d6a19ee9161723eeefe6512fe0e96 Mon Sep 17 00:00:00 2001
From: Kvarec Lezki <cuarzo@ya.ru>
Date: Tue, 23 Nov 2021 12:48:37 +0500
Subject: [PATCH] Fix assertion for XML without documentElement, but with
 elements

---
 src/xalanc/XPath/XPath.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/xalanc/XPath/XPath.cpp b/src/xalanc/XPath/XPath.cpp
index 6a32962f4..ab9cc436a 100644
--- a/src/xalanc/XPath/XPath.cpp
+++ b/src/xalanc/XPath/XPath.cpp
@@ -3537,6 +3537,12 @@ XPath::findRoot(
             }
             else
             {
+                if (DOMServices::getParentOfNode(*docContext) == 0 &&
+                    nodeType == XalanNode::ELEMENT_NODE)
+                {
+                    // docContext is root node
+                    break;
+                }
                 docContext =
                     DOMServices::getParentOfNode(*docContext);
                 assert(docContext != 0);