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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Modern IDB: Some w3c objectstore tests crash under GuardMalloc"
href="https://bugs.webkit.org/show_bug.cgi?id=154460">154460</a>
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<th>Summary</th>
<td>Modern IDB: Some w3c objectstore tests crash under GuardMalloc
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>Product</th>
<td>WebKit
</td>
</tr>
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<th>Version</th>
<td>Safari 9
</td>
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<th>Hardware</th>
<td>Unspecified
</td>
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<th>OS</th>
<td>Unspecified
</td>
</tr>
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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.
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
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<th>Reporter</th>
<td>beidson@apple.com
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<pre>Modern IDB: Some w3c objectstore tests crash under GuardMalloc
We've seen this with:
imported/w3c/indexeddb/idbobjectstore_add15.htm
imported/w3c/indexeddb/idbobjectstore_clear3.htm
imported/w3c/indexeddb/idbobjectstore_put15.htm
Example crashing stack:
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x000000020fd24e48
Exception Note: EXC_CORPSE_NOTIFY
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.WebCore 0x000000010dd3a549 WebCore::IDBServer::UniqueIDBDatabase::didFireVersionChangeEvent(WebCore::IDBServer::UniqueIDBDatabaseConnection&, WebCore::IDBResourceIdentifier const&) + 9
1 com.apple.JavaScriptCore 0x00000001086a06c5 WTF::RunLoop::performWork() + 437
2 com.apple.JavaScriptCore 0x00000001086a0a72 WTF::RunLoop::performWork(void*) + 34
3 com.apple.CoreFoundation 0x000000010ba73f11 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
4 com.apple.CoreFoundation 0x000000010ba545d7 __CFRunLoopDoSources0 + 423
5 com.apple.CoreFoundation 0x000000010ba53bbf __CFRunLoopRun + 911
6 com.apple.CoreFoundation 0x000000010ba535c8 CFRunLoopRunSpecific + 296
7 DumpRenderTree 0x0000000107af5d15 0x107ae3000 + 77077
8 DumpRenderTree 0x0000000107af52b2 0x107ae3000 + 74418
9 DumpRenderTree 0x0000000107af691a 0x107ae3000 + 80154
10 libdyld.dylib 0x000000010ef0a489 start + 1</pre>
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