248752 2022-12-05 00:23:17 -0800 ASSERT(m_element) in WebFullScreenManager::willExitFullScreen() 2022-12-06 00:15:33 -0800 1 1 1 Unclassified WebKit Media WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 248782 P2 Normal --- 1 youennf webkit-unassigned ntim oldest_to_newest 1916639 0 youennf 2022-12-05 00:23:17 -0800 As per https://ews-build.s3-us-west-2.amazonaws.com/macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS/3b932e85-45320/media/video-inactive-playback-crash-log.txt, we can see the following issue: ASSERTION FAILED: m_element /Volumes/Data/worker/macOS-AppleSilicon-Big-Sur-Debug-Build-EWS/build/Source/WebKit/WebProcess/FullScreen/WebFullScreenManager.cpp(293) : void WebKit::WebFullScreenManager::willExitFullScreen() 1 0x144c3c960 WTFCrash 2 0x1053ee6f0 WTFCrashWithInfo(int, char const*, char const*, int) 3 0x106fedc4c WebKit::WebFullScreenManager::willExitFullScreen() 4 0x10733d578 WKBundlePageWillExitFullScreen 5 0x167052490 WTR::InjectedBundlePage::exitFullScreenForElement(OpaqueWKBundleNodeHandle const*) 6 0x16704b3f8 WTR::InjectedBundlePage::exitFullScreenForElement(OpaqueWKBundlePage const*, OpaqueWKBundleNodeHandle const*) 7 0x10732bbd4 WebKit::InjectedBundlePageFullScreenClient::exitFullScreenForElement(WebKit::WebPage*, WebCore::Element*) 8 0x106fed180 WebKit::WebFullScreenManager::exitFullScreenForElement(WebCore::Element*) 9 0x1075379ac WebKit::WebFrameLoaderClient::dispatchDidStartProvisionalLoad() 10 0x11f718c98 WebCore::FrameLoader::prepareForLoadStart() 11 0x11f761368 WebCore::FrameLoader::continueLoadAfterNavigationPolicy(WebCore::ResourceRequest const&, WebCore::FormState*, WebCore::NavigationPolicyDecision, WebCore::AllowNavigationToInvalidURL)::$_11::operator()() 12 0x11f76114c WTF::Detail::CallableWrapper<WebCore::FrameLoader::continueLoadAfterNavigationPolicy(WebCore::ResourceRequest const&, WebCore::FormState*, WebCore::NavigationPolicyDecision, WebCore::AllowNavigationToInvalidURL)::$_11, void>::call() 13 0x11dade974 WTF::Function<void ()>::operator()() const 14 0x11ae4d194 WTF::CompletionHandler<void ()>::operator()() 15 0x11f71dd90 WebCore::FrameLoader::continueLoadAfterNavigationPolicy(WebCore::ResourceRequest const&, WebCore::FormState*, WebCore::NavigationPolicyDecision, WebCore::AllowNavigationToInvalidURL) 16 0x11f75d568 WebCore::FrameLoader::loadWithDocumentLoader(WebCore::DocumentLoader*, WebCore::FrameLoadType, WTF::RefPtr<WebCore::FormState, WTF::RawPtrTraits<WebCore::FormState>, WTF::DefaultRefDerefTraits<WebCore::FormState> >&&, WebCore::AllowNavigationToInvalidURL, WTF::CompletionHandler<void ()>&&)::$_8::operator()(WebCore::ResourceRequest const&, WTF::WeakPtr<WebCore::FormState, WTF::DefaultWeakPtrImpl>&&, WebCore::NavigationPolicyDecision) 17 0x11f75d408 WTF::Detail::CallableWrapper<WebCore::FrameLoader::loadWithDocumentLoader(WebCore::DocumentLoader*, WebCore::FrameLoadType, WTF::RefPtr<WebCore::FormState, WTF::RawPtrTraits<WebCore::FormState>, WTF::DefaultRefDerefTraits<WebCore::FormState> >&&, WebCore::AllowNavigationToInvalidURL, WTF::CompletionHandler<void ()>&&)::$_8, void, WebCore::ResourceRequest&&, WTF::WeakPtr<WebCore::FormState, WTF::DefaultWeakPtrImpl>&&, WebCore::NavigationPolicyDecision>::call(WebCore::ResourceRequest&&, WTF::WeakPtr<WebCore::FormState, WTF::DefaultWeakPtrImpl>&&, WebCore::NavigationPolicyDecision) 1916882 1 ntim 2022-12-06 00:15:33 -0800 *** This bug has been marked as a duplicate of bug 248782 ***