270541 2024-03-05 14:24:17 -0800 REGRESSION (274626@main) [ iOS Debug ] 13x ASSERTION FAILED: Completion handler should always be called !m_function (API tests) are constant crashes 2024-03-05 14:51:20 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 1 j_stfleur webkit-unassigned webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 2018893 0 j_stfleur 2024-03-05 14:24:17 -0800 Description: TestWebKitAPI.GPUProcess.CrashWhilePlayingVideo TestWebKitAPI.GPUProcess.ExitsUnderMemoryPressureVideoCase TestWebKitAPI.GetUserMedia.ClearRemoteVideoFrameObjectHeapPixelConformerUnderMemoryPressure TestWebKitAPI.SleepDisabler.ChangeSrc TestWebKitAPI.SleepDisabler.DisableAudioTrack TestWebKitAPI.SleepDisabler.Load TestWebKitAPI.SleepDisabler.Loop TestWebKitAPI.SleepDisabler.Mute TestWebKitAPI.SleepDisabler.Navigate TestWebKitAPI.SleepDisabler.Pause TestWebKitAPI.SleepDisabler.Unload TestWebKitAPI.SleepDisabler.Unmute TestWebKitAPI.WKWebViewSuspendAllMediaPlayback.AfterLoading are constant crashes on iOS Debug Config after 274626@main History: https://results.webkit.org/?suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&suite=api-tests&test=TestWebKitAPI.GPUProcess.CrashWhilePlayingVideo&test=TestWebKitAPI.GPUProcess.ExitsUnderMemoryPressureVideoCase&test=TestWebKitAPI.GetUserMedia.ClearRemoteVideoFrameObjectHeapPixelConformerUnderMemoryPressure&test=TestWebKitAPI.SleepDisabler.ChangeSrc&test=TestWebKitAPI.SleepDisabler.DisableAudioTrack&test=TestWebKitAPI.SleepDisabler.Load&test=TestWebKitAPI.SleepDisabler.Loop&test=TestWebKitAPI.SleepDisabler.Mute&test=TestWebKitAPI.SleepDisabler.Navigate&test=TestWebKitAPI.SleepDisabler.Pause&test=TestWebKitAPI.SleepDisabler.Unload&test=TestWebKitAPI.SleepDisabler.Unmute&test=TestWebKitAPI.WKWebViewSuspendAllMediaPlayback.AfterLoading&platform=ios&style=debug&limit=50000&model=iPhone%2012 Diff/Image Diff/Crash Log: ASSERTION FAILED: Completion handler should always be called !m_function /Volumes/Data/worker/Apple-iOS-17-Simulator-Debug-Build/build/WebKitBuild/Debug-iphonesimulator/usr/local/include/wtf/CompletionHandler.h(65) : WTF::CompletionHandler<void (bool, NSError *)>::~CompletionHandler() 1 0x116e967b8 WTFCrash 2 0x2861e36d0 WTF::CompletionHandler<void (bool, NSError*)>::~CompletionHandler() 3 0x2861e3094 WTF::CompletionHandler<void (bool, NSError*)>::~CompletionHandler() 4 0x2861e3148 WTF::BlockPtr<void (bool, NSError*)> WTF::BlockPtr<void (bool, NSError*)>::fromCallable<WTF::CompletionHandler<void (bool, NSError*)>>(WTF::CompletionHandler<void (bool, NSError*)>)::'lambda'(void const*)::operator()(void const*) const 5 0x2861e30c0 WTF::BlockPtr<void (bool, NSError*)> WTF::BlockPtr<void (bool, NSError*)>::fromCallable<WTF::CompletionHandler<void (bool, NSError*)>>(WTF::CompletionHandler<void (bool, NSError*)>)::'lambda'(void const*)::__invoke(void const*) 6 0x1088ed118 _call_dispose_helpers_excp 7 0x1088edf54 _Block_release 8 0x2861e53f4 WTF::BlockPtr<void (bool, NSError*)>::~BlockPtr() 9 0x2861e282c WTF::BlockPtr<void (bool, NSError*)>::~BlockPtr() 10 0x2861e2788 WebCore::VideoPresentationInterfaceAVKit::presentFullscreen(bool, WTF::CompletionHandler<void (bool, NSError*)>&&) 2018894 1 webkit-bug-importer 2024-03-05 14:24:47 -0800 <rdar://problem/124096708> 2018897 2 j_stfleur 2024-03-05 14:51:20 -0800 Repro step for test: run-api-tests --root TestWebKitAPI.GPUProcess.CrashWhilePlayingVideo --ios-simulator --debug -v TestWebKitAPI.SleepDisabler.ChangeSrc