From 870c4e7b9ce6143ae48f717265094d4f7e0d2434 Mon Sep 17 00:00:00 2001
From: Jiang Jiang <jiang.jiang@nokia.com>
Date: Fri, 16 Dec 2011 14:21:49 +0100
Subject: Fix crash in positionInLigature

Check boundary of pos before accessing attributes.

Task-number: QTBUG-23104
Reviewed-by: Eskil
---
 src/gui/text/qtextengine.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index ee2eef62a7..66773c6e3b 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -2805,7 +2805,7 @@ int QTextEngine::positionInLigature(const QScriptItem *si, int end,
             closestItem--;
         int pos = si->position + clusterStart + closestItem;
         // Jump to the next charStop
-        while (!attrs[pos].charStop && pos < end)
+        while (pos < end && !attrs[pos].charStop)
             pos++;
         return pos;
     }
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