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<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 - Network Cache: Crash in WebCore::CachedResource::tryReplaceEncodedData"
href="https://bugs.webkit.org/show_bug.cgi?id=143562">143562</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Network Cache: Crash in WebCore::CachedResource::tryReplaceEncodedData
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>528+ (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>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>koivisto@iki.fi
</td>
</tr></table>
<p>
<div>
<pre>For example
<a href="https://build.webkit.org/builders/Apple%20Yosemite%20Release%20WK2%20%28Tests%29/builds/3805">https://build.webkit.org/builders/Apple%20Yosemite%20Release%20WK2%20%28Tests%29/builds/3805</a>
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: 0x000000000000000a, 0x000000011693b000
VM Regions Near 0x11693b000:
Image IO 0000000116931000-000000011693b000 [ 40K] rw-/rwx SM=PRV
--> mapped file 000000011693b000-000000011693e000 [ 12K] r--/r-- SM=COW /private/var/folders/*
CoreUI image data 000000011693e000-000000011693f000 [ 4K] rw-/rwx SM=PRV
Application Specific Information:
CRASHING TEST: /css/css-image-loading.html
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_platform.dylib 0x00007fff8d627db5 _platform_memcmp + 213
1 com.apple.WebCore 0x000000010f23eeea WebCore::CachedResource::tryReplaceEncodedData(WebCore::SharedBuffer&) + 122 (CachedResource.cpp:781)
2 com.apple.WebKit 0x000000010dbb04f2 WebKit::NetworkProcessConnection::didCacheResource(WebCore::ResourceRequest const&, WebKit::ShareableResource::Handle const&, WebCore::SessionID) + 86 (NetworkProcessConnection.cpp:97)
3 com.apple.WebKit 0x000000010dbb06be void IPC::handleMessage<Messages::NetworkProcessConnection::DidCacheResource, WebKit::NetworkProcessConnection, void (WebKit::NetworkProcessConnection::*)(WebCore::ResourceRequest const&, WebKit::ShareableResource::Handle const&, WebCore::SessionID)>(IPC::MessageDecoder&, WebKit::NetworkProcessConnection*, void (WebKit::NetworkProcessConnection::*)(WebCore::ResourceRequest const&, WebKit::ShareableResource::Handle const&, WebCore::SessionID)) + 118 (HandleMessage.h:93)
4 com.apple.WebKit 0x000000010db485e2 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 102 (Connection.cpp:872)
5 com.apple.WebKit 0x000000010db4a7ae IPC::Connection::dispatchOneMessage() + 114 (memory:2593)
6 com.apple.JavaScriptCore 0x000000010edbd7d7 WTF::RunLoop::performWork() + 423 (RunLoop.cpp:106)
7 com.apple.JavaScriptCore 0x000000010edbdea2 WTF::RunLoop::performWork(void*) + 34 (RunLoopCF.cpp:39)
8 com.apple.CoreFoundation 0x00007fff845f6681 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
9 com.apple.CoreFoundation 0x00007fff845e880d __CFRunLoopDoSources0 + 269
10 com.apple.CoreFoundation 0x00007fff845e7e3f __CFRunLoopRun + 927
11 com.apple.CoreFoundation 0x00007fff845e7858 CFRunLoopRunSpecific + 296
12 com.apple.HIToolbox 0x00007fff8d08eaef RunCurrentEventLoopInMode + 235
13 com.apple.HIToolbox 0x00007fff8d08e86a ReceiveNextEventCommon + 431
14 com.apple.HIToolbox 0x00007fff8d08e6ab _BlockUntilNextEventMatchingListInModeWithFilter + 71
15 com.apple.AppKit 0x00007fff8f5aef81 _DPSNextEvent + 964
16 com.apple.AppKit 0x00007fff8f5ae730 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 194
17 com.apple.AppKit 0x00007fff8f5a2593 -[NSApplication run] + 594
18 com.apple.AppKit 0x00007fff8f58da14 NSApplicationMain + 1832</pre>
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