media/modern-media-controls/scrubber-support/scrubber-support-media-api.html is a flaky crash on mac wk2 release. History: https://results.webkit.org/?suite=layout-tests&test=media%2Fmodern-media-controls%2Fscrubber-support%2Fscrubber-support-media-api.html&platform=mac&flavor=wk2 e.g.: https://ews-build.webkit.org/results/Commit-Queue/r394922-334/results.html https://build.webkit.org/results/Apple%20Mojave%20Release%20WK2%20(Tests)/r259125%20(11553)/results.html Crash log: https://ews-build.webkit.org/results/Commit-Queue/r394922-334/media/modern-media-controls/scrubber-support/scrubber-support-media-api-crash-log.txt Application Specific Information: CRASHING TEST: media/modern-media-controls/scrubber-support/scrubber-support-media-api.html Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x0000000789578049 WebCore::MediaPlayer::createVideoFullscreenLayer() + 9 (memory:2617) 1 com.apple.WebCore 0x00000007891135d5 WebCore::HTMLMediaElement::createVideoFullscreenLayer() + 21 (HTMLMediaElement.cpp:6251) 2 com.apple.WebCore 0x00000007888666b2 WebCore::VideoFullscreenModelVideoElement::createVideoFullscreenLayer() + 18 (VideoFullscreenModelVideoElement.mm:115) 3 com.apple.WebKit 0x0000000103501e1b WebKit::VideoFullscreenManager::enterVideoFullscreenForVideoElement(WebCore::HTMLVideoElement&, unsigned int, bool) + 395 (RetainPtr.h:100) 4 libdispatch.dylib 0x00007fff6c0645f8 _dispatch_call_block_and_release + 12
Probably dupe of bug 209688 and/or bug 209668.
rdar://61062687