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<base href="https://bugs.webkit.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Assertion failure in WebCore::FrameLoader::stopLoading() running fast/events tests"
href="https://bugs.webkit.org/show_bug.cgi?id=150624">150624</a>
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<th>Summary</th>
<td>Assertion failure in WebCore::FrameLoader::stopLoading() running fast/events tests
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>Other
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
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<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Keywords</th>
<td>Regression
</td>
</tr>
<tr>
<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>Page Loading
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ddkilzer@webkit.org
</td>
</tr>
<tr>
<th>CC</th>
<td>cdumez@apple.com
</td>
</tr></table>
<p>
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<pre>Assertion failure in WebCore::FrameLoader::stopLoading() running fast/events tests.
The crash log blames fast/events/form-iframe-target-before-load-crash.html, but run-webkit-tests results blames fast/events/form-onchange.html.
We likely need to run both tests sequentially to reproduce the assertion failure.
Test run: <<a href="https://build.webkit.org/builders/Apple%20Yosemite%20Debug%20WK2%20%28Tests%29/builds/7913">https://build.webkit.org/builders/Apple%20Yosemite%20Debug%20WK2%20%28Tests%29/builds/7913</a>>
Results: <<a href="https://build.webkit.org/results/Apple%20Yosemite%20Debug%20WK2%20(Tests)/r191652%20(7913)/results.html">https://build.webkit.org/results/Apple%20Yosemite%20Debug%20WK2%20(Tests)/r191652%20(7913)/results.html</a>>
Crash log: <<a href="https://build.webkit.org/results/Apple%20Yosemite%20Debug%20WK2%20(Tests)/r191652%20(7913)/fast/events/form-onchange-crash-log.txt">https://build.webkit.org/results/Apple%20Yosemite%20Debug%20WK2%20(Tests)/r191652%20(7913)/fast/events/form-onchange-crash-log.txt</a>>
Stack trace for assertion failure:
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.JavaScriptCore 0x0000000113556867 WTFCrash + 39
1 com.apple.WebCore 0x00000001159e438d WebCore::FrameLoader::stopLoading(WebCore::UnloadEventPolicy) + 829 (FrameLoader.cpp:445)
2 com.apple.WebCore 0x00000001159e4a86 WebCore::FrameLoader::closeURL() + 214 (FrameLoader.cpp:536)
3 com.apple.WebCore 0x00000001159ef4a5 WebCore::FrameLoader::detachFromParent() + 53 (FrameLoader.cpp:2503)
4 com.apple.WebKit 0x000000010ff63412 WebKit::WebPage::close() + 3378 (WebPage.cpp:996)
5 com.apple.WebKit 0x000000010ffdaa53 void IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(), std::__1::tuple<> >(WebKit::WebPage*, void (WebKit::WebPage::*)(), std::__1::tuple<>&&, std::index_sequence<>) + 131 (HandleMessage.h:17)
6 com.apple.WebKit 0x000000010ffda9c8 void IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(), std::__1::tuple<>, std::make_index_sequence<0ul> >(std::__1::tuple<>&&, WebKit::WebPage*, void (WebKit::WebPage::*)()) + 88 (HandleMessage.h:23)
7 com.apple.WebKit 0x000000010ffd1f9a void IPC::handleMessage<Messages::WebPage::Close, WebKit::WebPage, void (WebKit::WebPage::*)()>(IPC::MessageDecoder&, WebKit::WebPage*, void (WebKit::WebPage::*)()) + 186 (HandleMessage.h:93)
8 com.apple.WebKit 0x000000010ffca224 WebKit::WebPage::didReceiveWebPageMessage(IPC::Connection&, IPC::MessageDecoder&) + 7604 (WebPageMessageReceiver.cpp:674)
9 com.apple.WebKit 0x000000010ff6c140 WebKit::WebPage::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) + 384 (WebPage.cpp:3615)
10 com.apple.WebKit 0x000000010ff6c187 non-virtual thunk to WebKit::WebPage::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) + 55 (WebPage.cpp:3615)
11 com.apple.WebKit 0x000000010f9ac9fd IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::MessageDecoder&) + 461 (MessageReceiverMap.cpp:103)
12 com.apple.WebKit 0x00000001100ef22d WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) + 61 (WebProcess.cpp:619)
13 com.apple.WebKit 0x000000010f861bf3 IPC::Connection::dispatchMessage(IPC::MessageDecoder&) + 51 (Connection.cpp:901)
14 com.apple.WebKit 0x000000010f858e2e IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 782 (Connection.cpp:933)
15 com.apple.WebKit 0x000000010f8621ef IPC::Connection::dispatchOneMessage() + 1519 (Connection.cpp:962)
16 com.apple.WebKit 0x000000010f863a6d IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_10::operator()() const + 29 (Connection.cpp:895)
17 com.apple.WebKit 0x000000010f863a3c std::__1::__function::__func<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_10, std::__1::allocator<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_10>, void ()>::operator()() + 60 (functional:1370)
18 com.apple.JavaScriptCore 0x0000000112fe173a std::__1::function<void ()>::operator()() const + 26
19 com.apple.JavaScriptCore 0x000000011359ef38 WTF::RunLoop::performWork() + 648
20 com.apple.JavaScriptCore 0x000000011359f564 WTF::RunLoop::performWork(void*) + 36
21 com.apple.CoreFoundation 0x00007fff86770a01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
22 com.apple.CoreFoundation 0x00007fff86762b8d __CFRunLoopDoSources0 + 269
23 com.apple.CoreFoundation 0x00007fff867621bf __CFRunLoopRun + 927
24 com.apple.CoreFoundation 0x00007fff86761bd8 CFRunLoopRunSpecific + 296
25 com.apple.HIToolbox 0x00007fff8835c56f RunCurrentEventLoopInMode + 235
26 com.apple.HIToolbox 0x00007fff8835c2ea ReceiveNextEventCommon + 431
27 com.apple.HIToolbox 0x00007fff8835c12b _BlockUntilNextEventMatchingListInModeWithFilter + 71
28 com.apple.AppKit 0x00007fff8d6c38ab _DPSNextEvent + 978
29 com.apple.AppKit 0x00007fff8d6c2e58 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346
30 com.apple.AppKit 0x00007fff8d6b8af3 -[NSApplication run] + 594
31 com.apple.AppKit 0x00007fff8d635244 NSApplicationMain + 1832
32 libxpc.dylib 0x00007fff945e5928 _xpc_objc_main + 793
33 libxpc.dylib 0x00007fff945e7030 xpc_main + 490
34 com.apple.WebKit.WebContent.Development 0x000000010a6ecbe1 main + 785 (XPCServiceMain.Development.mm:187)
35 libdyld.dylib 0x00007fff923a05c9 start + 1</pre>
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