Created attachment 394769 [details] scrubber-support-click-crash-log media/modern-media-controls/scrubber-support/scrubber-support-click.html Description: This test is flaky crashing on Mac wk2. The flaky crashing appeared in the visible history on 03/26/2020. History: https://results.webkit.org/?suite=layout-tests&test=media%2Fmodern-media-controls%2Fscrubber-support%2Fscrubber-support-click.html&flavor=wk2 Crash log attached; Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x00000001255668b5 std::__1::unique_ptr<WebCore::MediaPlayerPrivateInterface, std::__1::default_delete<WebCore::MediaPlayerPrivateInterface> >::operator->() const + 21 (memory:2620) 1 com.apple.WebCore 0x000000012556724a WebCore::MediaPlayer::createVideoFullscreenLayer() + 42 (MediaPlayer.cpp:762) 2 com.apple.WebCore 0x00000001248c9706 WebCore::HTMLMediaElement::createVideoFullscreenLayer() + 54 (HTMLMediaElement.cpp:6251) 3 com.apple.WebCore 0x0000000123177ca6 WebCore::VideoFullscreenModelVideoElement::createVideoFullscreenLayer() + 54 (VideoFullscreenModelVideoElement.mm:115) 4 com.apple.WebKit 0x0000000116c1540c WebKit::VideoFullscreenManager::enterVideoFullscreenForVideoElement(WebCore::HTMLVideoElement&, unsigned int, bool) + 1628 (VideoFullscreenManager.mm:274) 5 com.apple.WebKit 0x0000000116c18231 WebKit::VideoFullscreenManager::didCleanupFullscreen(unsigned long long)::$_7::operator()() const + 113 (VideoFullscreenManager.mm:524) 6 com.apple.WebKit 0x0000000116c181ac invocation function for block in WebKit::VideoFullscreenManager::didCleanupFullscreen(unsigned long long) + 28 (VideoFullscreenManager.mm:521) 7 libdispatch.dylib 0x00007fff6e8866c4 _dispatch_call_block_and_release + 12 8 libdispatch.dylib 0x00007fff6e887658 _dispatch_client_callout + 8 9 libdispatch.dylib 0x00007fff6e892cab _dispatch_main_queue_callback_4CF + 936 10 com.apple.CoreFoundation 0x00007fff349d8041 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9 11 com.apple.CoreFoundation 0x00007fff34997e47 __CFRunLoopRun + 2028 12 com.apple.CoreFoundation 0x00007fff34996ffe CFRunLoopRunSpecific + 462 13 com.apple.Foundation 0x00007fff3702b2a8 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 212 14 com.apple.Foundation 0x00007fff370ddd2f -[NSRunLoop(NSRunLoop) run] + 76 15 libxpc.dylib 0x00007fff6eb2e51a _xpc_objc_main.cold.4 + 49 16 libxpc.dylib 0x00007fff6eb2e460 _xpc_objc_main + 559 17 libxpc.dylib 0x00007fff6eb2df93 xpc_main + 377 18 com.apple.WebKit 0x000000011611421b WebKit::XPCServiceMain(int, char const**) + 1499 (XPCServiceMain.mm:172) 19 com.apple.WebKit 0x00000001174acb1b WKXPCServiceMain + 27 (WKMain.mm:33) 20 com.apple.WebKit.WebContent 0x000000010af93ec2 main + 34 (AuxiliaryProcessMain.cpp:30) 21 libdyld.dylib 0x00007fff6e8e0cc9 start + 1
<rdar://problem/60989672>
I have marked this test as crashing while this issue is investigated. https://trac.webkit.org/changeset/259145/webkit
*** This bug has been marked as a duplicate of bug 209668 ***