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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Crash in DocumentThreadableLoader::redirectReceived"
href="https://bugs.webkit.org/show_bug.cgi?id=168337">168337</a>
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<th>Summary</th>
<td>Crash in DocumentThreadableLoader::redirectReceived
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Nightly Build
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<th>Hardware</th>
<td>Unspecified
</td>
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<th>OS</th>
<td>Unspecified
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>WebCore Misc.
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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</tr>
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<th>Reporter</th>
<td>beidson@apple.com
</td>
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<pre>Crash in DocumentThreadableLoader::redirectReceived
We know nothing about how to reproduce it.
Top of the (optimized) backtrace is:
7 WebCore: WebCore::DocumentThreadableLoader::redirectReceived(WebCore::CachedResource&, WebCore::ResourceRequest&, WebCore::ResourceResponse const&) <==
7 WebCore: WebCore::DocumentThreadableLoader::redirectReceived(WebCore::CachedResource&, WebCore::ResourceRequest&, WebCore::ResourceResponse const&)
7 WebCore: WebCore::CachedRawResource::didAddClient(WebCore::CachedResourceClient&)
7 WebCore: WebCore::ThreadTimers::sharedTimerFiredInternal()
7 WebCore: WebCore::timerFired(__CFRunLoopTimer*, void*)
7 CoreFoundation: __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
Reading around all of the related code, it appears that this is a use-after free on the DocumentThreadableLoader.
Either being much more careful about always detaching the DocumentThreadableLoader from its CachedRawResource or adding a self-ref should fix this. Unfortunately I've been unable to reason further which is the more direct fix, but I think applying both is fine.</pre>
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