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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/181869">181869</a></dd>
<dt>Author</dt> <dd>enrica@apple.com</dd>
<dt>Date</dt> <dd>2015-03-23 13:52:28 -0700 (Mon, 23 Mar 2015)</dd>
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<h3>Log Message</h3>
<pre>[iOS] WebContent crash attempting to select text with a gesture at RenderObject::absoluteBoundingBoxRect.
https://bugs.webkit.org/show_bug.cgi?id=142913
rdar://problem/16400033

Reviewed by Sam Weinig.

When looking for the best candidate range at the given position,
we should skip nodes that don't have a renderer.
This is a speculative fix.

* WebProcess/WebPage/ios/WebPageIOS.mm:
(WebKit::WebPage::rangeForWebSelectionAtPosition):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageiosWebPageIOSmm">trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm</a></li>
</ul>

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<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (181868 => 181869)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2015-03-23 20:48:21 UTC (rev 181868)
+++ trunk/Source/WebKit2/ChangeLog        2015-03-23 20:52:28 UTC (rev 181869)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2015-03-23  Enrica Casucci  &lt;enrica@apple.com&gt;
+
+        [iOS] WebContent crash attempting to select text with a gesture at RenderObject::absoluteBoundingBoxRect.
+        https://bugs.webkit.org/show_bug.cgi?id=142913
+        rdar://problem/16400033
+
+        Reviewed by Sam Weinig.
+
+        When looking for the best candidate range at the given position,
+        we should skip nodes that don't have a renderer.
+        This is a speculative fix.
+
+        * WebProcess/WebPage/ios/WebPageIOS.mm:
+        (WebKit::WebPage::rangeForWebSelectionAtPosition):
+
</ins><span class="cx"> 2015-03-23  Alexey Proskuryakov  &lt;ap@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         REGRESSION (Yosemite): WKView visibility notifications are messed up
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageiosWebPageIOSmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm (181868 => 181869)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm        2015-03-23 20:48:21 UTC (rev 181868)
+++ trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm        2015-03-23 20:52:28 UTC (rev 181869)
</span><span class="lines">@@ -835,11 +835,13 @@
</span><span class="cx"> 
</span><span class="cx">     Node* bestChoice = currentNode;
</span><span class="cx">     while (currentNode) {
</span><del>-        boundingRectInScrollViewCoordinates = currentNode-&gt;renderer()-&gt;absoluteBoundingBoxRect(true);
-        boundingRectInScrollViewCoordinates.scale(m_page-&gt;pageScaleFactor());
-        if (boundingRectInScrollViewCoordinates.width() &gt; m_blockSelectionDesiredSize.width() &amp;&amp; boundingRectInScrollViewCoordinates.height() &gt; m_blockSelectionDesiredSize.height())
-            break;
-        bestChoice = currentNode;
</del><ins>+        if (currentNode-&gt;renderer()) {
+            boundingRectInScrollViewCoordinates = currentNode-&gt;renderer()-&gt;absoluteBoundingBoxRect(true);
+            boundingRectInScrollViewCoordinates.scale(m_page-&gt;pageScaleFactor());
+            if (boundingRectInScrollViewCoordinates.width() &gt; m_blockSelectionDesiredSize.width() &amp;&amp; boundingRectInScrollViewCoordinates.height() &gt; m_blockSelectionDesiredSize.height())
+                break;
+            bestChoice = currentNode;
+        }
</ins><span class="cx">         currentNode = currentNode-&gt;parentElement();
</span><span class="cx">     }
</span><span class="cx"> 
</span></span></pre>
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