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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - REGRESSION (r208730): WTFCrashWithSecurityImplication under UserMediaPermissionRequestManager::removeMediaRequestFromMaps"
href="https://bugs.webkit.org/show_bug.cgi?id=164798">164798</a>
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<th>Summary</th>
<td>REGRESSION (r208730): WTFCrashWithSecurityImplication under UserMediaPermissionRequestManager::removeMediaRequestFromMaps
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>Other
</td>
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<th>Hardware</th>
<td>Unspecified
</td>
</tr>
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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>Media Elements
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
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<th>Reporter</th>
<td>ap@webkit.org
</td>
</tr>
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<th>CC</th>
<td>eric.carlson@apple.com, ryanhaddad@apple.com, webkit-bug-importer@group.apple.com
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<pre>Got this crash when running the tests locally. The code that crashes was added today in r208730.
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.JavaScriptCore 0x00000001065257a4 WTFCrash + 36 (Assertions.cpp:323)
1 com.apple.JavaScriptCore 0x00000001065257b9 WTFCrashWithSecurityImplication + 9
2 com.apple.WebCore 0x0000000108b7801c WTF::match_constness<WebCore::ScriptExecutionContext, WebCore::Document>::type* WTF::downcast<WebCore::Document, WebCore::ScriptExecutionContext>(WebCore::ScriptExecutionContext*) + 76 (TypeCasts.h:89)
3 com.apple.WebCore 0x000000010b498029 WebCore::UserMediaRequest::document() const + 57 (UserMediaRequest.cpp:246)
4 com.apple.WebKit 0x000000010276a357 WebKit::UserMediaPermissionRequestManager::removeMediaRequestFromMaps(WebCore::UserMediaRequest&) + 39 (UserMediaPermissionRequestManager.cpp:126)
5 com.apple.WebKit 0x000000010276a133 WebKit::UserMediaPermissionRequestManager::cancelUserMediaRequest(WebCore::UserMediaRequest&) + 99 (UserMediaPermissionRequestManager.cpp:108)
6 com.apple.WebKit 0x0000000102cf8bb9 WebKit::WebUserMediaClient::cancelUserMediaAccessRequest(WebCore::UserMediaRequest&) + 41 (WebUserMediaClient.cpp:51)
7 com.apple.WebCore 0x000000010b497fe3 WebCore::UserMediaController::cancelUserMediaAccessRequest(WebCore::UserMediaRequest&) + 51 (UserMediaController.h:64)
8 com.apple.WebCore 0x000000010b497f53 WebCore::UserMediaRequest::contextDestroyed() + 67 (UserMediaRequest.cpp:235)
9 com.apple.WebCore 0x000000010aee4919 WebCore::ScriptExecutionContext::~ScriptExecutionContext() + 137 (ScriptExecutionContext.cpp:127)
10 com.apple.WebCore 0x00000001091f3dbe WebCore::Document::~Document() + 8174 (Document.cpp:656)</pre>
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