[Webkit-unassigned] [Bug 161821] New: https://jsfiddle.net/ksamw6rq/ crashes on WebKit::WebPageProxy::checkUserMediaPermissionForFrame

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=161821

            Bug ID: 161821
           Summary: https://jsfiddle.net/ksamw6rq/ crashes on
                    WebKit::WebPageProxy::checkUserMediaPermissionForFrame
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: OS X 10.11
            Status: NEW
          Severity: Major
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: esprehn at chromium.org

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   ???                               0x000000010dff9680 0 + 4529821312
1   com.apple.WebKit                  0x0000000105d886f4 WebKit::WebPageProxy::checkUserMediaPermissionForFrame(unsigned long long, unsigned long long, WTF::String, WTF::String) + 206
2   com.apple.WebKit                  0x0000000105da187b void IPC::callMemberFunctionImpl<WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long long, unsigned long long, WTF::String, WTF::String), std::__1::tuple<unsigned long long, unsigned long long, WTF::String, WTF::String>, 0ul, 1ul, 2ul, 3ul>(WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(unsigned long long, unsigned long long, WTF::String, WTF::String), std::__1::tuple<unsigned long long, unsigned long long, WTF::String, WTF::String>&&, std::__1::integer_sequence<unsigned long, 0ul, 1ul, 2ul, 3ul>) + 69
3   com.apple.WebKit                  0x0000000105d9bf76 void IPC::handleMessage<Messages::WebPageProxy::CheckUserMediaPermissionForFrame, WebKit::WebPageProxy, void (WebKit::WebPageProxy::*)(unsigned long long, unsigned long long, WTF::String, WTF::String)>(IPC::Decoder&, WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(unsigned long long, unsigned long long, WTF::String, WTF::String)) + 64
4   com.apple.WebKit                  0x0000000105c1e09f IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) + 129
5   com.apple.WebKit                  0x0000000105ddb286 WebKit::WebProcessProxy::didReceiveMessage(IPC::Connection&, IPC::Decoder&) + 24
6   com.apple.WebKit                  0x0000000105bda7cb IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) + 119
7   com.apple.WebKit                  0x0000000105bdd2eb IPC::Connection::dispatchOneMessage() + 175
8   com.apple.JavaScriptCore          0x0000000105876e49 WTF::RunLoop::performWork() + 169
9   com.apple.JavaScriptCore          0x0000000105877062 WTF::RunLoop::performWork(void*) + 34
10  com.apple.CoreFoundation          0x00007fff92012881 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
11  com.apple.CoreFoundation          0x00007fff91ff1fbc __CFRunLoopDoSources0 + 556
12  com.apple.CoreFoundation          0x00007fff91ff14df __CFRunLoopRun + 927
13  com.apple.CoreFoundation          0x00007fff91ff0ed8 CFRunLoopRunSpecific + 296
14  com.apple.HIToolbox               0x00007fff85eec935 RunCurrentEventLoopInMode + 235
15  com.apple.HIToolbox               0x00007fff85eec76f ReceiveNextEventCommon + 432
16  com.apple.HIToolbox               0x00007fff85eec5af _BlockUntilNextEventMatchingListInModeWithFilter + 71
17  com.apple.AppKit                  0x00007fff837f7df6 _DPSNextEvent + 1067
18  com.apple.AppKit                  0x00007fff837f7226 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
19  com.apple.Safari.framework        0x00007fff96253398 -[BrowserApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 252
20  com.apple.AppKit                  0x00007fff837ebd80 -[NSApplication run] + 682
21  com.apple.AppKit                  0x00007fff837b5368 NSApplicationMain + 1176
22  libdyld.dylib                     0x00007fff8bccd5ad start + 1

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