Bug 164798 - REGRESSION (r208730): WTFCrashWithSecurityImplication under UserMediaPermissionRequestManager::removeMediaRequestFromMaps
Summary: REGRESSION (r208730): WTFCrashWithSecurityImplication under UserMediaPermissi...
Status: RESOLVED INVALID
Alias: None
Product: WebKit
Classification: Unclassified
Component: Media (show other bugs)
Version: Other
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-11-15 15:11 PST by Alexey Proskuryakov
Modified: 2016-11-15 15:16 PST (History)
2 users (show)

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Description Alexey Proskuryakov 2016-11-15 15:11:03 PST 
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)
Comment 1 Alexey Proskuryakov 2016-11-15 15:13:20 PST 
No, I misread the patch. It's just the same crash, not fixed. Will reopen that bug.
Comment 2 Radar WebKit Bug Importer 2016-11-15 15:13:49 PST 
<rdar://problem/29277180>