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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/187486">187486</a></dd>
<dt>Author</dt> <dd>ap@apple.com</dd>
<dt>Date</dt> <dd>2015-07-28 09:29:44 -0700 (Tue, 28 Jul 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>Rolling out <a href="http://trac.webkit.org/projects/webkit/changeset/187463">r187463</a>, because it caused memory corruption on multiple tests.
Original bug:
Crash happens when calling removeEventListener for an SVG element which has an instance inside a <defs> element of shadow tree
https://bugs.webkit.org/show_bug.cgi?id=147290
* svg/custom/remove-event-listener-shadow-disallowed-element-expected.txt: Removed.
* svg/custom/remove-event-listener-shadow-disallowed-element.svg: Removed.
Source/WebCore:
* svg/SVGUseElement.cpp:
(WebCore::removeDisallowedElementsFromSubtree):
(WebCore::associateClonesWithOriginals):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoresvgSVGUseElementcpp">trunk/Source/WebCore/svg/SVGUseElement.cpp</a></li>
</ul>
<h3>Removed Paths</h3>
<ul>
<li><a href="#trunkLayoutTestssvgcustomremoveeventlistenershadowdisallowedelementexpectedtxt">trunk/LayoutTests/svg/custom/remove-event-listener-shadow-disallowed-element-expected.txt</a></li>
<li><a href="#trunkLayoutTestssvgcustomremoveeventlistenershadowdisallowedelementsvg">trunk/LayoutTests/svg/custom/remove-event-listener-shadow-disallowed-element.svg</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (187485 => 187486)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog 2015-07-28 10:03:13 UTC (rev 187485)
+++ trunk/LayoutTests/ChangeLog 2015-07-28 16:29:44 UTC (rev 187486)
</span><span class="lines">@@ -1,3 +1,14 @@
</span><ins>+2015-07-28 Alexey Proskuryakov <ap@apple.com>
+
+ Rolling out r187463, because it caused memory corruption on multiple tests.
+
+ Original bug:
+ Crash happens when calling removeEventListener for an SVG element which has an instance inside a <defs> element of shadow tree
+ https://bugs.webkit.org/show_bug.cgi?id=147290
+
+ * svg/custom/remove-event-listener-shadow-disallowed-element-expected.txt: Removed.
+ * svg/custom/remove-event-listener-shadow-disallowed-element.svg: Removed.
+
</ins><span class="cx"> 2015-07-27 Yusuke Suzuki <utatane.tea@gmail.com>
</span><span class="cx">
</span><span class="cx"> SparseValueMap check is skipped when the butterfly's vectorLength is larger than the access-requested index
</span></span></pre></div>
<a id="trunkLayoutTestssvgcustomremoveeventlistenershadowdisallowedelementexpectedtxt"></a>
<div class="delfile"><h4>Deleted: trunk/LayoutTests/svg/custom/remove-event-listener-shadow-disallowed-element-expected.txt (187485 => 187486)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/svg/custom/remove-event-listener-shadow-disallowed-element-expected.txt 2015-07-28 10:03:13 UTC (rev 187485)
+++ trunk/LayoutTests/svg/custom/remove-event-listener-shadow-disallowed-element-expected.txt 2015-07-28 16:29:44 UTC (rev 187486)
</span><span class="lines">@@ -1 +0,0 @@
</span><del>-Pass.
</del></span></pre></div>
<a id="trunkLayoutTestssvgcustomremoveeventlistenershadowdisallowedelementsvg"></a>
<div class="delfile"><h4>Deleted: trunk/LayoutTests/svg/custom/remove-event-listener-shadow-disallowed-element.svg (187485 => 187486)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/svg/custom/remove-event-listener-shadow-disallowed-element.svg 2015-07-28 10:03:13 UTC (rev 187485)
+++ trunk/LayoutTests/svg/custom/remove-event-listener-shadow-disallowed-element.svg 2015-07-28 16:29:44 UTC (rev 187486)
</span><span class="lines">@@ -1,37 +0,0 @@
</span><del>-<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-
- <defs>
- <svg id="green-svg" width="100" height="100">
- <defs>
- <rect id="green-rect" fill="green" width="100" height="100"/>
- </defs>
- <use id="use-green-rect" xlink:href="#green-rect"/>
- </svg>
- </defs>
-
- <use id="use-green-svg" x="10" y="10" xlink:href="#green-svg"/>
- <text>Pass.</text>
-
- <script>
- if (window.testRunner)
- testRunner.dumpAsText();
-
- var onAlert = function() {
- alert("test");
- }
-
- // This removeEventListener() has to be called before the onload fires. Before
- // onload fires, the shadow tree of the SVGUseElement is not built. So this
- // call should affect the original element only. Once the shadow tree is built,
- // the SVGUseElement calls updateShadowTree() and this is where we want to make
- // sure the eventListeners of all the cloned elements in the shadow tree are
- // updated correctly and the disallowed cloned elements and their descendants
- // are disconnected from their corresponding elements.
- document.getElementById("green-rect").addEventListener("click", onAlert);
-
- window.addEventListener("load", function () {
- document.getElementById("green-rect").removeEventListener("click", onAlert);
- }, false);
- </script>
-
-</svg>
</del><span class="cx">\ No newline at end of file
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (187485 => 187486)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2015-07-28 10:03:13 UTC (rev 187485)
+++ trunk/Source/WebCore/ChangeLog 2015-07-28 16:29:44 UTC (rev 187486)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2015-07-28 Alexey Proskuryakov <ap@apple.com>
+
+ Rolling out r187463, because it caused memory corruption on multiple tests.
+
+ Original bug:
+ Crash happens when calling removeEventListener for an SVG element which has an instance inside a <defs> element of shadow tree
+ https://bugs.webkit.org/show_bug.cgi?id=147290
+
+ * svg/custom/remove-event-listener-shadow-disallowed-element-expected.txt: Removed.
+ * svg/custom/remove-event-listener-shadow-disallowed-element.svg: Removed.
+
+ * svg/SVGUseElement.cpp:
+ (WebCore::removeDisallowedElementsFromSubtree):
+ (WebCore::associateClonesWithOriginals):
+
</ins><span class="cx"> 2015-07-28 Carlos Garcia Campos <cgarcia@igalia.com>
</span><span class="cx">
</span><span class="cx"> [GTK] Use fastMalloc instead of g_slice
</span></span></pre></div>
<a id="trunkSourceWebCoresvgSVGUseElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/svg/SVGUseElement.cpp (187485 => 187486)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/svg/SVGUseElement.cpp 2015-07-28 10:03:13 UTC (rev 187485)
+++ trunk/Source/WebCore/svg/SVGUseElement.cpp 2015-07-28 16:29:44 UTC (rev 187486)
</span><span class="lines">@@ -329,11 +329,8 @@
</span><span class="cx"> }
</span><span class="cx"> ++it;
</span><span class="cx"> }
</span><del>- for (auto* element : disallowedElements) {
</del><ins>+ for (auto* element : disallowedElements)
</ins><span class="cx"> element->parentNode()->removeChild(element);
</span><del>- for (auto& descendant : descendantsOfType<SVGElement>(*element))
- descendant.setCorrespondingElement(nullptr);
- }
</del><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> static void associateClonesWithOriginals(SVGElement& clone, SVGElement& original)
</span></span></pre>
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