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<head>
<base href="https://bugs.webkit.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Null dereference loading Blink layout test http/tests/misc/detach-during-notifyDone.html"
href="https://bugs.webkit.org/show_bug.cgi?id=149309">149309</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Null dereference loading Blink layout test http/tests/misc/detach-during-notifyDone.html
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Nightly Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Keywords</th>
<td>BlinkMergeCandidate, HasReduction, NeedsRadar
</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>jhoneycutt@apple.com
</td>
</tr>
<tr>
<th>CC</th>
<td>webkit-bug-importer@group.apple.com
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=261447" name="attach_261447" title="crashing test">attachment 261447</a> <a href="attachment.cgi?id=261447&action=edit" title="crashing test">[details]</a></span>
crashing test
Null dereference loading Blink layout test http/tests/misc/detach-during-notifyDone.html.
Stack trace:
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000a70
Exception Note: EXC_CORPSE_NOTIFY
VM Regions Near 0xa70:
-->
__TEXT 00000001042b3000-00000001042b5000 [ 8K] r-x/rwx SM=COW /Users/USER/*/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.Development.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development
Application Specific Information:
CRASHING TEST: temp-tests/http/tests/misc/detach-during-notifyDone.html
Global Trace Buffer (reverse chronological seconds):
55.805806 AppleJPEG 0x00007fff8a01b11c [0x7fef4f80b200] Decoding completed without errors
55.805806 AppleJPEG 0x00007fff8a0190fc [0x7fef4f80b200] Options: 128x128 [FFFFFFFF,FFFFFFFF] 00025060
55.805806 AppleJPEG 0x00007fff8a018fae [0x7fef4f80b200] Decoding: C0 0x00800080 0x0010354A 0x11111100 0x00000000 38616
55.805806 AppleJPEG 0x00007fff8a01805e [0x7fef4f80b200] Created session
55.805806 AppleJPEG 0x00007fff8a018a11 [0x7fef4f80b200] Releasing session
55.808161 AppleJPEG 0x00007fff8a01805e [0x7fef4f80b200] Created session
56.180187 CFNetwork 0x00007fff88d43b97 Explicitly setting CF cookie storage singleton
56.180561 CFNetwork 0x00007fff88d8f211 Explicitly setting cookie storage singleton
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.WebKit 0x000000010a884144 WebKit::WebFrameLoaderClient::dispatchDidFinishLoad() + 102 (WebDocumentLoader.h:40)
1 com.apple.WebCore 0x000000010c3d0ad2 WebCore::FrameLoader::checkLoadCompleteForThisFrame() + 594 (FrameLoader.cpp:2286)
2 com.apple.WebCore 0x000000010c3c73b6 WebCore::FrameLoader::checkLoadComplete() + 438 (FrameLoader.cpp:2465)
3 com.apple.WebCore 0x000000010c25da80 WebCore::DocumentLoader::finishedLoading(double) + 416 (DocumentLoader.cpp:439)
4 com.apple.WebCore 0x000000010c08e179 WebCore::CachedResource::checkNotify() + 153 (CachedResourceClientWalker.h:51)
5 com.apple.WebCore 0x000000010c08a433 WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) + 227 (CachedRawResource.cpp:104)
6 com.apple.WebCore 0x000000010ce05501 WebCore::SubresourceLoader::didFinishLoading(double) + 1153 (ResourceLoader.h:154)
7 com.apple.WebKit 0x000000010a94b98d WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::MessageDecoder&) + 561 (HandleMessage.h:16)
8 com.apple.WebKit 0x000000010a7251f1 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 127 (memory:2636)
9 com.apple.WebKit 0x000000010a727b4a IPC::Connection::dispatchOneMessage() + 126 (memory:2656)
10 com.apple.JavaScriptCore 0x000000010bb69985 WTF::RunLoop::performWork() + 437 (functional:1742)
11 com.apple.JavaScriptCore 0x000000010bb69d32 WTF::RunLoop::performWork(void*) + 34 (RunLoopCF.cpp:39)
12 com.apple.CoreFoundation 0x00007fff949e2c01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
13 com.apple.CoreFoundation 0x00007fff949d4b1c __CFRunLoopDoSources0 + 556
14 com.apple.CoreFoundation 0x00007fff949d403f __CFRunLoopRun + 927
15 com.apple.CoreFoundation 0x00007fff949d3a38 CFRunLoopRunSpecific + 296
16 com.apple.HIToolbox 0x00007fff88e673bd RunCurrentEventLoopInMode + 235
17 com.apple.HIToolbox 0x00007fff88e67153 ReceiveNextEventCommon + 432
18 com.apple.HIToolbox 0x00007fff88e66f93 _BlockUntilNextEventMatchingListInModeWithFilter + 71
19 com.apple.AppKit 0x00007fff870b81e7 _DPSNextEvent + 1076
20 com.apple.AppKit 0x00007fff8748490d -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
21 com.apple.AppKit 0x00007fff870ae0b8 -[NSApplication run] + 682
22 com.apple.AppKit 0x00007fff87030396 NSApplicationMain + 1176
23 libxpc.dylib 0x00007fff8c70ff70 _xpc_objc_main + 793
24 libxpc.dylib 0x00007fff8c7116bf xpc_main + 494
25 com.apple.WebKit.WebContent.Development 0x00000001042b4424 main + 409 (XPCServiceMain.Development.mm:187)
26 libdyld.dylib 0x00007fff93aa15ad start + 1</pre>
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