229423 2021-08-23 14:26:56 -0700 ASSERTION FAILED: !needsLayout() on http/tests/paymentrequest/payment-response-reference-cycle-leak.https.html 2021-08-24 18:39:57 -0700 1 1 1 Unclassified WebKit Layout and Rendering WebKit Nightly Build Mac (Apple Silicon) Unspecified NEW InRadar P2 Normal --- 1 ayumi_kojima webkit-unassigned aestes bfulgham simon.fraser webkit-bot-watchers-bugzilla webkit-bug-importer youennf zalan oldest_to_newest 1786559 0 ayumi_kojima 2021-08-23 14:26:56 -0700 http/tests/paymentrequest/payment-response-reference-cycle-leak.https.html Is a flaky crash on macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS The crash is not seen on the open source directory: https://results.webkit.org/?suite=layout-tests&test=http/tests/paymentrequest/payment-response-reference-cycle-leak.https.html It appears that the flaky crash started at this build https://ews-build.webkit.org/#/builders/60/builds/6624 Result page: https://ews-build.s3-us-west-2.amazonaws.com/macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS/r431640-6624/results.html Crash log: No crash log found for com.apple.WebKit.WebContent.Development:99520. stdout: stderr: ASSERTION FAILED: !needsLayout() ./rendering/RenderView.cpp(305) : virtual void WebCore::RenderView::paint(WebCore::PaintInfo &, const WebCore::LayoutPoint &) 1 0x13a082a8c WTFCrash 2 0x11871ede0 JSC::JSValue::isUndefined() const 3 0x11cdbfbec WebCore::RenderView::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 4 0x11cc50fd8 WebCore::RenderLayer::paintBackgroundForFragments(WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WebCore::GraphicsContext&, WebCore::GraphicsContext&, WebCore::LayoutRect const&, bool, WebCore::RenderLayer::LayerPaintingInfo const&, WTF::OptionSet<WebCore::PaintBehavior>, WebCore::RenderObject*) 5 0x11cc4d930 WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag>) 6 0x11cc6e930 WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, WTF::OptionSet<WebCore::PaintBehavior>, WebCore::EventRegionContext*)::$_24::operator()(WebCore::RenderLayer&, WTF::OptionSet<WebCore::RenderLayer::PaintLayerFlag>) const 7 0x11cc6e334 WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, WTF::OptionSet<WebCore::PaintBehavior>, WebCore::EventRegionContext*) 8 0x11cc6f60c WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::FloatRect const&, unsigned int) 9 0x11c50a474 WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::FloatRect const&, unsigned int) 10 0x11c5cbbc0 WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&, unsigned int) 11 0x119b4a3ac WebCore::PlatformCALayer::drawLayerContents(WebCore::GraphicsContext&, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&, unsigned int) 12 0x11c611884 WebCore::TileGrid::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&, unsigned int) 13 0x119d72704 -[WebSimpleLayer drawInContext:] 14 0x199b4b7ac CABackingStoreUpdate_ 15 0x199ba84b4 invocation function for block in CA::Layer::display_() 16 0x199b4aa34 -[CALayer _display] 17 0x119d72448 -[WebSimpleLayer display] 18 0x199b49b2c CA::Layer::display_if_needed(CA::Transaction*) 19 0x199c75b64 CA::Context::commit_transaction(CA::Transaction*, double, double*) 20 0x199b2bab8 CA::Transaction::commit() 21 0x196200470 __62+[CATransaction(NSCATransaction) NS_setFlushesWithDisplayLink]_block_invoke 22 0x19695523c ___NSRunLoopObserverCreateWithHandler_block_invoke 23 0x193895cc8 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ 24 0x193895b14 __CFRunLoopDoObservers 25 0x19389505c __CFRunLoopRun 26 0x1938945e8 CFRunLoopRunSpecific 27 0x19463d688 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] 28 0x1946cfb70 -[NSRunLoop(NSRunLoop) run] 29 0x19350b768 _xpc_objc_main 30 0x19350af94 xpc_main 31 0x10613fc40 WebKit::XPCServiceMain(int, char const**) com.apple.WebKit.WebContent.Development terminated (pid 99520) because the process crashed LEAK: 1 WebPageProxy 1786561 1 webkit-bug-importer 2021-08-23 14:30:33 -0700 <rdar://problem/82261836> 1786568 2 ayumi_kojima 2021-08-23 14:40:20 -0700 Marked expectations https://trac.webkit.org/changeset/281471/webkit