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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/214748">214748</a></dd>
<dt>Author</dt> <dd>carlosgc@webkit.org</dd>
<dt>Date</dt> <dd>2017-04-03 00:50:18 -0700 (Mon, 03 Apr 2017)</dd>
</dl>
<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/214019">r214019</a> - Null deref under callAfterNextPresentationUpdate
https://bugs.webkit.org/show_bug.cgi?id=169710
<rdar://problem/30987863>
Patch by Tim Horton <timothy_horton@apple.com> on 2017-03-15
Reviewed by Simon Fraser.
Source/WebKit2:
* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::callAfterNextPresentationUpdate):
Call the callback with an error if we don't have a web process or drawing area.
Tools:
* TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj:
* TestWebKitAPI/Tests/WebKit2Cocoa/DoAfterNextPresentationUpdateAfterCrash.mm: Added.
(TEST):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit216SourceWebKit2ChangeLog">releases/WebKitGTK/webkit-2.16/Source/WebKit2/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit216SourceWebKit2UIProcessWebPageProxycpp">releases/WebKitGTK/webkit-2.16/Source/WebKit2/UIProcess/WebPageProxy.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit216ToolsChangeLog">releases/WebKitGTK/webkit-2.16/Tools/ChangeLog</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit216ToolsTestWebKitAPITestsWebKit2CocoaDoAfterNextPresentationUpdateAfterCrashmm">releases/WebKitGTK/webkit-2.16/Tools/TestWebKitAPI/Tests/WebKit2Cocoa/DoAfterNextPresentationUpdateAfterCrash.mm</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="releasesWebKitGTKwebkit216SourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.16/Source/WebKit2/ChangeLog (214747 => 214748)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.16/Source/WebKit2/ChangeLog 2017-04-03 07:46:26 UTC (rev 214747)
+++ releases/WebKitGTK/webkit-2.16/Source/WebKit2/ChangeLog 2017-04-03 07:50:18 UTC (rev 214748)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2017-03-15 Tim Horton <timothy_horton@apple.com>
+
+ Null deref under callAfterNextPresentationUpdate
+ https://bugs.webkit.org/show_bug.cgi?id=169710
+ <rdar://problem/30987863>
+
+ Reviewed by Simon Fraser.
+
+ * UIProcess/WebPageProxy.cpp:
+ (WebKit::WebPageProxy::callAfterNextPresentationUpdate):
+ Call the callback with an error if we don't have a web process or drawing area.
+
</ins><span class="cx"> 2017-03-20 Carlos Garcia Campos <cgarcia@igalia.com>
</span><span class="cx">
</span><span class="cx"> Unreviewed. Update OptionsGTK.cmake and NEWS for 2.16.0 release.
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit216SourceWebKit2UIProcessWebPageProxycpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.16/Source/WebKit2/UIProcess/WebPageProxy.cpp (214747 => 214748)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.16/Source/WebKit2/UIProcess/WebPageProxy.cpp 2017-04-03 07:46:26 UTC (rev 214747)
+++ releases/WebKitGTK/webkit-2.16/Source/WebKit2/UIProcess/WebPageProxy.cpp 2017-04-03 07:50:18 UTC (rev 214748)
</span><span class="lines">@@ -6708,6 +6708,11 @@
</span><span class="cx">
</span><span class="cx"> void WebPageProxy::callAfterNextPresentationUpdate(std::function<void (CallbackBase::Error)> callback)
</span><span class="cx"> {
</span><ins>+ if (!isValid() || !m_drawingArea) {
+ callback(CallbackBase::Error::OwnerWasInvalidated);
+ return;
+ }
+
</ins><span class="cx"> m_drawingArea->dispatchAfterEnsuringDrawing(callback);
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit216ToolsChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.16/Tools/ChangeLog (214747 => 214748)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.16/Tools/ChangeLog 2017-04-03 07:46:26 UTC (rev 214747)
+++ releases/WebKitGTK/webkit-2.16/Tools/ChangeLog 2017-04-03 07:50:18 UTC (rev 214748)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2017-03-15 Tim Horton <timothy_horton@apple.com>
+
+ Null deref under callAfterNextPresentationUpdate
+ https://bugs.webkit.org/show_bug.cgi?id=169710
+ <rdar://problem/30987863>
+
+ Reviewed by Simon Fraser.
+
+ * TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj:
+ * TestWebKitAPI/Tests/WebKit2Cocoa/DoAfterNextPresentationUpdateAfterCrash.mm: Added.
+ (TEST):
+
</ins><span class="cx"> 2017-03-13 Carlos Garcia Campos <cgarcia@igalia.com>
</span><span class="cx">
</span><span class="cx"> MiniBrowser: a tab closed from javascript always closes the window
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit216ToolsTestWebKitAPITestsWebKit2CocoaDoAfterNextPresentationUpdateAfterCrashmm"></a>
<div class="addfile"><h4>Added: releases/WebKitGTK/webkit-2.16/Tools/TestWebKitAPI/Tests/WebKit2Cocoa/DoAfterNextPresentationUpdateAfterCrash.mm (0 => 214748)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.16/Tools/TestWebKitAPI/Tests/WebKit2Cocoa/DoAfterNextPresentationUpdateAfterCrash.mm (rev 0)
+++ releases/WebKitGTK/webkit-2.16/Tools/TestWebKitAPI/Tests/WebKit2Cocoa/DoAfterNextPresentationUpdateAfterCrash.mm 2017-04-03 07:50:18 UTC (rev 214748)
</span><span class="lines">@@ -0,0 +1,56 @@
</span><ins>+/*
+ * Copyright (C) 2017 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#import "PlatformUtilities.h"
+#import "Test.h"
+#import "TestNavigationDelegate.h"
+#import <WebKit/WKWebViewPrivate.h>
+#import <wtf/RetainPtr.h>
+
+#if PLATFORM(IOS) && WK_API_ENABLED
+
+TEST(WebKit2, DoAfterNextPresentationUpdateAfterCrash)
+{
+ RetainPtr<WKWebView> webView = adoptNS([[WKWebView alloc] initWithFrame:NSMakeRect(0, 0, 100, 100)]);
+
+ [webView loadHTMLString:@"test" baseURL:nil];
+ [webView _test_waitForDidFinishNavigation];
+
+ [webView _killWebContentProcessAndResetState];
+
+ __block bool gotCallback = false;
+ [webView _doAfterNextPresentationUpdate:^ {
+ gotCallback = true;
+ }];
+
+ [webView loadHTMLString:@"test" baseURL:nil];
+ [webView _test_waitForDidFinishNavigation];
+
+ TestWebKitAPI::Util::run(&gotCallback);
+}
+
+#endif
</ins></span></pre>
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