[Webkit-unassigned] [Bug 111613] New: REGRESSION: crash in SpeechSynthesis::didFinishSpeaking

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=111613

           Summary: REGRESSION: crash in
                    SpeechSynthesis::didFinishSpeaking
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: cfleizach at apple.com, dmazzoni at google.com


CRASHING TEST: platform/mac/fast/speechsynthesis/speech-synthesis-cancel.html

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x0000000101952a64 WebCore::SpeechSynthesis::didFinishSpeaking(WebCore::PlatformSpeechSynthesisUtterance const*) + 4 (PlatformSpeechSynthesisUtterance.h:71)
1   libWebCoreTestSupport.dylib       0x0000000100a03937 WebCore::PlatformSpeechSynthesizerMock::speakingFinished(WebCore::Timer<WebCore::PlatformSpeechSynthesizerMock>*) + 23 (PlatformSpeechSynthesizerMock.cpp:54)
2   com.apple.WebCore                 0x0000000101ab37ef WebCore::ThreadTimers::sharedTimerFiredInternal() + 175 (ThreadTimers.cpp:132)
3   com.apple.WebCore                 0x0000000101942423 WebCore::timerFired(__CFRunLoopTimer*, void*) + 51 (SharedTimerMac.mm:167)
4   com.apple.CoreFoundation          0x00007fff92ac7da4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
5   com.apple.CoreFoundation          0x00007fff92ac78bd __CFRunLoopDoTimer + 557
6   com.apple.CoreFoundation          0x00007fff92aad099 __CFRunLoopRun + 1513
7   com.apple.CoreFoundation          0x00007fff92aac6b2 CFRunLoopRunSpecific + 290
8   com.apple.Foundation              0x00007fff87a8089e -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 268
9   DumpRenderTree                    0x000000010035a122 runTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) + 1639 (DumpRenderTree.mm:1375)
10  DumpRenderTree                    0x00000001003598b6 dumpRenderTree(int, char const**) + 1727 (DumpRenderTree.mm:832)
11  DumpRenderTree                    0x000000010035a48b main + 86 (DumpRenderTree.mm:925)
12  libdyld.dylib                     0x00007fff895837e1 start + 1

e.g.
http://build.webkit.org/results/Apple%20MountainLion%20Release%20WK1%20(Tests)/r144949%20(7620)/results.html

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