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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/180565">180565</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2015-02-24 09:11:27 -0800 (Tue, 24 Feb 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Crash loading local file with WebPageProxy::loadAlternateHTMLString
https://bugs.webkit.org/show_bug.cgi?id=141867

Patch by Michael Catanzaro &lt;mcatanzaro@igalia.com&gt; on 2015-02-24
Reviewed by Anders Carlsson.

Source/WebKit2:

WebPageProxy::loadAlternateHTMLString needs to assume read access to unreachableURL as well
as baseURL, because unreachableURL will get added to the back/forward list, causing us to
crash later on when we notice the unexpected URL received in checkURLReceivedFromWebProcess.

* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::loadAlternateHTMLString):

Tools:

* TestWebKitAPI/Tests/WebKit2/LoadAlternateHTMLStringWithNonDirectoryURL.cpp:
(TestWebKitAPI::loadAlternateHTMLString): Split most of this test into a function so it can
be shared with the new test.
(TestWebKitAPI::TEST): Add a cross-platform test for this crash.
* TestWebKitAPI/Tests/WebKit2Gtk/TestLoaderClient.cpp: Add a GTK+ test for this crash.
(testLoadAlternateHTMLForLocalPage):
(beforeAll):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebPageProxycpp">trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp</a></li>
<li><a href="#trunkToolsChangeLog">trunk/Tools/ChangeLog</a></li>
<li><a href="#trunkToolsTestWebKitAPITestsWebKit2LoadAlternateHTMLStringWithNonDirectoryURLcpp">trunk/Tools/TestWebKitAPI/Tests/WebKit2/LoadAlternateHTMLStringWithNonDirectoryURL.cpp</a></li>
<li><a href="#trunkToolsTestWebKitAPITestsWebKit2GtkTestLoaderClientcpp">trunk/Tools/TestWebKitAPI/Tests/WebKit2Gtk/TestLoaderClient.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (180564 => 180565)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2015-02-24 17:08:06 UTC (rev 180564)
+++ trunk/Source/WebKit2/ChangeLog        2015-02-24 17:11:27 UTC (rev 180565)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2015-02-24  Michael Catanzaro  &lt;mcatanzaro@igalia.com&gt;
+
+        Crash loading local file with WebPageProxy::loadAlternateHTMLString
+        https://bugs.webkit.org/show_bug.cgi?id=141867
+
+        Reviewed by Anders Carlsson.
+
+        WebPageProxy::loadAlternateHTMLString needs to assume read access to unreachableURL as well
+        as baseURL, because unreachableURL will get added to the back/forward list, causing us to
+        crash later on when we notice the unexpected URL received in checkURLReceivedFromWebProcess.
+
+        * UIProcess/WebPageProxy.cpp:
+        (WebKit::WebPageProxy::loadAlternateHTMLString):
+
</ins><span class="cx"> 2015-02-24  Ryuan Choi  &lt;ryuan.choi@navercorp.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [EFL] Add message APIs to communicate between ewk_context and extensions
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp (180564 => 180565)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2015-02-24 17:08:06 UTC (rev 180564)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2015-02-24 17:11:27 UTC (rev 180565)
</span><span class="lines">@@ -919,6 +919,7 @@
</span><span class="cx">         m_mainFrame-&gt;setUnreachableURL(unreachableURL);
</span><span class="cx"> 
</span><span class="cx">     m_process-&gt;assumeReadAccessToBaseURL(baseURL);
</span><ins>+    m_process-&gt;assumeReadAccessToBaseURL(unreachableURL);
</ins><span class="cx">     m_process-&gt;send(Messages::WebPage::LoadAlternateHTMLString(htmlString, baseURL, unreachableURL, UserData(process().transformObjectsToHandles(userData).get())), m_pageID);
</span><span class="cx">     m_process-&gt;responsivenessTimer()-&gt;start();
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkToolsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Tools/ChangeLog (180564 => 180565)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/ChangeLog        2015-02-24 17:08:06 UTC (rev 180564)
+++ trunk/Tools/ChangeLog        2015-02-24 17:11:27 UTC (rev 180565)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2015-02-24  Michael Catanzaro  &lt;mcatanzaro@igalia.com&gt;
+
+        Crash loading local file with WebPageProxy::loadAlternateHTMLString
+        https://bugs.webkit.org/show_bug.cgi?id=141867
+
+        Reviewed by Anders Carlsson.
+
+        * TestWebKitAPI/Tests/WebKit2/LoadAlternateHTMLStringWithNonDirectoryURL.cpp:
+        (TestWebKitAPI::loadAlternateHTMLString): Split most of this test into a function so it can
+        be shared with the new test.
+        (TestWebKitAPI::TEST): Add a cross-platform test for this crash.
+        * TestWebKitAPI/Tests/WebKit2Gtk/TestLoaderClient.cpp: Add a GTK+ test for this crash.
+        (testLoadAlternateHTMLForLocalPage):
+        (beforeAll):
+
</ins><span class="cx"> 2015-02-24  David Kilzer  &lt;ddkilzer@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [iOS] Implement WTR::activateFonts() to fix missing fonts in WebKit2 test runs
</span></span></pre></div>
<a id="trunkToolsTestWebKitAPITestsWebKit2LoadAlternateHTMLStringWithNonDirectoryURLcpp"></a>
<div class="modfile"><h4>Modified: trunk/Tools/TestWebKitAPI/Tests/WebKit2/LoadAlternateHTMLStringWithNonDirectoryURL.cpp (180564 => 180565)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/TestWebKitAPI/Tests/WebKit2/LoadAlternateHTMLStringWithNonDirectoryURL.cpp        2015-02-24 17:08:06 UTC (rev 180564)
+++ trunk/Tools/TestWebKitAPI/Tests/WebKit2/LoadAlternateHTMLStringWithNonDirectoryURL.cpp        2015-02-24 17:11:27 UTC (rev 180565)
</span><span class="lines">@@ -1,5 +1,6 @@
</span><span class="cx"> /*
</span><span class="cx">  * Copyright (C) 2011 Apple Inc. All rights reserved.
</span><ins>+ * Copyright (C) 2015 Igalia S.L.
</ins><span class="cx">  *
</span><span class="cx">  * Redistribution and use in source and binary forms, with or without
</span><span class="cx">  * modification, are permitted provided that the following conditions
</span><span class="lines">@@ -44,7 +45,7 @@
</span><span class="cx">     didFinishLoad = true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-TEST(WebKit2, LoadAlternateHTMLStringWithNonDirectoryURL)
</del><ins>+static void loadAlternateHTMLString(WKURLRef baseURL, WKURLRef unreachableURL)
</ins><span class="cx"> {
</span><span class="cx">     WKRetainPtr&lt;WKContextRef&gt; context(AdoptWK, WKContextCreate());
</span><span class="cx">     PlatformWebView webView(context.get());
</span><span class="lines">@@ -56,16 +57,29 @@
</span><span class="cx">     loaderClient.didFinishLoadForFrame = didFinishLoadForFrame;
</span><span class="cx">     WKPageSetPageLoaderClient(webView.page(), &amp;loaderClient.base);
</span><span class="cx"> 
</span><del>-    WKRetainPtr&lt;WKURLRef&gt; fileURL(AdoptWK, Util::createURLForResource(&quot;simple&quot;, &quot;html&quot;));
</del><span class="cx">     WKRetainPtr&lt;WKStringRef&gt; alternateHTMLString(AdoptWK, WKStringCreateWithUTF8CString(&quot;&lt;html&gt;&lt;body&gt;&lt;img src='icon.png'&gt;&lt;/body&gt;&lt;/html&gt;&quot;));
</span><del>-    
-    // Call WKPageLoadAlternateHTMLString() with fileURL which does not point to a directory
-    WKPageLoadAlternateHTMLString(webView.page(), alternateHTMLString.get(), fileURL.get(), fileURL.get());
-    
</del><ins>+    WKPageLoadAlternateHTMLString(webView.page(), alternateHTMLString.get(), baseURL, unreachableURL);
+
</ins><span class="cx">     // If we can finish loading the html without resulting in an invalid message being sent from the WebProcess, this test passes.
</span><span class="cx">     Util::run(&amp;didFinishLoad);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+TEST(WebKit2, LoadAlternateHTMLStringWithNonDirectoryURL)
+{
+    // Call WKPageLoadAlternateHTMLString() with fileURL which does not point to a directory.
+    WKRetainPtr&lt;WKURLRef&gt; fileURL(AdoptWK, Util::createURLForResource(&quot;simple&quot;, &quot;html&quot;));
+    loadAlternateHTMLString(fileURL.get(), fileURL.get());
+}
+
+TEST(WebKit2, LoadAlternateHTMLStringWithEmptyBaseURL)
+{
+    // Call WKPageLoadAlternateHTMLString() with empty baseURL to make sure this test works
+    // when baseURL does not grant read access to the unreachableURL. We use a separate test
+    // to ensure the previous test does not pollute the result.
+    WKRetainPtr&lt;WKURLRef&gt; unreachableURL(AdoptWK, Util::URLForNonExistentResource());
+    loadAlternateHTMLString(nullptr, unreachableURL.get());
+}
+
</ins><span class="cx"> } // namespace TestWebKitAPI
</span><span class="cx"> 
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkToolsTestWebKitAPITestsWebKit2GtkTestLoaderClientcpp"></a>
<div class="modfile"><h4>Modified: trunk/Tools/TestWebKitAPI/Tests/WebKit2Gtk/TestLoaderClient.cpp (180564 => 180565)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/TestWebKitAPI/Tests/WebKit2Gtk/TestLoaderClient.cpp        2015-02-24 17:08:06 UTC (rev 180564)
+++ trunk/Tools/TestWebKitAPI/Tests/WebKit2Gtk/TestLoaderClient.cpp        2015-02-24 17:11:27 UTC (rev 180565)
</span><span class="lines">@@ -82,6 +82,13 @@
</span><span class="cx">     assertNormalLoadHappened(test-&gt;m_loadEvents);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+static void testLoadAlternateHTMLForLocalPage(LoadTrackingTest* test, gconstpointer)
+{
+    test-&gt;loadAlternateHTML(&quot;&lt;html&gt;&lt;body&gt;Alternate page&lt;/body&gt;&lt;/html&gt;&quot;, &quot;file:///not/actually/loaded.html&quot;, 0);
+    test-&gt;waitUntilLoadFinished();
+    assertNormalLoadHappened(test-&gt;m_loadEvents);
+}
+
</ins><span class="cx"> static void testLoadPlainText(LoadTrackingTest* test, gconstpointer)
</span><span class="cx"> {
</span><span class="cx">     test-&gt;loadPlainText(&quot;Hello WebKit-GTK+&quot;);
</span><span class="lines">@@ -477,6 +484,7 @@
</span><span class="cx">     LoadTrackingTest::add(&quot;WebKitWebView&quot;, &quot;loading-error&quot;, testLoadingError);
</span><span class="cx">     LoadTrackingTest::add(&quot;WebKitWebView&quot;, &quot;load-html&quot;, testLoadHtml);
</span><span class="cx">     LoadTrackingTest::add(&quot;WebKitWebView&quot;, &quot;load-alternate-html&quot;, testLoadAlternateHTML);
</span><ins>+    LoadTrackingTest::add(&quot;WebKitWebView&quot;, &quot;load-alternate-html-for-local-page&quot;, testLoadAlternateHTMLForLocalPage);
</ins><span class="cx">     LoadTrackingTest::add(&quot;WebKitWebView&quot;, &quot;load-plain-text&quot;, testLoadPlainText);
</span><span class="cx">     LoadTrackingTest::add(&quot;WebKitWebView&quot;, &quot;load-bytes&quot;, testLoadBytes);
</span><span class="cx">     LoadTrackingTest::add(&quot;WebKitWebView&quot;, &quot;load-request&quot;, testLoadRequest);
</span></span></pre>
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