[Webkit-unassigned] [Bug 209490] New: [ Mac wk2 ] http/tests/media/track-in-band-hls-metadata.html is flaky crashing.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209490

            Bug ID: 209490
           Summary: [ Mac wk2 ]
                    http/tests/media/track-in-band-hls-metadata.html is
                    flaky crashing.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Macintosh
                OS: macOS 10.14
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Lawrence.j at apple.com

Created attachment 394398

  --> https://bugs.webkit.org/attachment.cgi?id=394398&action=review

track-in-band-hls-metadata-crash-log

http/tests/media/track-in-band-hls-metadata.html

Description:
This test is flaky crashing on Mac wk2. The crashes are apparent throughout the visible history.

History:
https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fmedia%2Ftrack-in-band-hls-metadata.html&limit=50000

Crash logs attached;
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                   0x00000005114ca14b WebCore::TaskDispatcher<WebCore::Timer>::dispatchOneTask() + 123 (GenericTaskQueue.cpp:110)
1   com.apple.WebCore                   0x00000005114ca04a WebCore::TaskDispatcher<WebCore::Timer>::sharedTimerFired() + 234
2   com.apple.WebCore                   0x00000005114ed023 WebCore::ThreadTimers::sharedTimerFiredInternal() + 163 (ThreadTimers.cpp:130)
3   com.apple.WebCore                   0x000000051151228f WebCore::timerFired(__CFRunLoopTimer*, void*) + 31 (MainThreadSharedTimerCF.cpp:75)
4   com.apple.CoreFoundation            0x00007fff35d31804 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
5   com.apple.CoreFoundation            0x00007fff35d313be __CFRunLoopDoTimer + 859
6   com.apple.CoreFoundation            0x00007fff35d30e9e __CFRunLoopDoTimers + 317

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