https://beta.music.apple.com/us/playlist/top-100-global/pl.d25f5d1181894928af76c85c967f8f31 2020-03-10 10:55:35.171 MiniBrowser[48648:10450454] WebContent process crashed; reloading ERROR: post-layout: dirty renderer(s) page/FrameViewLayoutContext.cpp(129) : auto WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()::(anonymous class)::operator()(const WebCore::RenderObject &) const <snipped too large dump> SHOULD NEVER BE REACHED page/FrameViewLayoutContext.cpp(131) : auto WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()::(anonymous class)::operator()(const WebCore::RenderObject &) const 1 0x2fbe4ba19 WTFCrash 2 0x2e0f8ab8b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x2e439bb4d WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()::'lambda'(WebCore::RenderObject const&)::operator()(WebCore::RenderObject const&) const 4 0x2e439baa2 WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker() 5 0x2e4392785 WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker() 6 0x2e4391da5 WebCore::FrameViewLayoutContext::layout() 7 0x2e432ef25 WebCore::FrameView::updateLayoutAndStyleIfNeededRecursive() 8 0x2e43b73ce WebCore::Page::layoutIfNeeded() 9 0x2e43b747a WebCore::Page::updateRendering() 10 0x10b7e26f6 WebKit::WebPage::updateRendering() 11 0x10b228d44 WebKit::TiledCoreAnimationDrawingArea::updateRendering(WebKit::TiledCoreAnimationDrawingArea::UpdateRenderingType) 12 0x10b22d2ad WebKit::TiledCoreAnimationDrawingArea::updateRenderingRunLoopCallback() 13 0x10b23cfb8 WebKit::TiledCoreAnimationDrawingArea::TiledCoreAnimationDrawingArea(WebKit::WebPage&, WebKit::WebPageCreationParameters const&)::$_0::operator()() const 14 0x10b23cf6e WTF::Detail::CallableWrapper<WebKit::TiledCoreAnimationDrawingArea::TiledCoreAnimationDrawingArea(WebKit::WebPage&, WebKit::WebPageCreationParameters const&)::$_0, void>::call() 15 0x2e0f9d3b2 WTF::Function<void ()>::operator()() const 16 0x2e4620cc0 WebCore::RunLoopObserver::runLoopObserverFired() 17 0x2e4620c20 WebCore::RunLoopObserver::runLoopObserverFired(__CFRunLoopObserver*, unsigned long, void*) 18 0x7fff2e86e6a5 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ 19 0x7fff2e86e5d7 __CFRunLoopDoObservers 20 0x7fff2e86d1e9 CFRunLoopRunSpecific 21 0x7fff30f012a8 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] 22 0x7fff30fb3d2f -[NSRunLoop(NSRunLoop) run] 23 0x7fff6889151a _xpc_objc_main.cold.4 24 0x7fff68891460 _xpc_objc_main 25 0x7fff68890f93 _xpc_copy_xpcservice_dictionary 26 0x10a7f9af9 WebKit::XPCServiceMain(int, char const**) 27 0x10bb66a7b WKXPCServiceMain 28 0x109f59eb2 main 29 0x7fff68643cc9 start 30 0x1 2020-03-10 10:55:59.869 MiniBrowser[48648:10450454] WebContent process crashed; reloading
Created attachment 393127 [details] render tree dump
Adding "RenderTreeNeedsLayoutChecker" to the title for ease of finding.
Hello! Starting from a snapshot of https://beta.music.apple.com/us/playlist/top-100-global/pl.d25f5d1181894928af76c85c967f8f31, I used Lithium[1] to get this minimal reproduction of a crash. <html> <head> <style> .visuallyhidden { position: absolute; width: 1px; } .product-page { display: flex; } .product-lockup__artwork { position: relative; } .shelf-grid__list { display: grid; overflow-x: auto; min-height: 140px; } </style> </head> <body> <div class="product-page"> <div class="product-lockup__artwork"> <span class="visuallyhidden"> <ul class="shelf-grid__list"> <button type="button"></button> </ul> </span> </div> </div> </body> </html> ERROR: post-layout: dirty renderer(s) ../../Source/WebCore/page/FrameViewLayoutContext.cpp(129) : WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()::<lambda(const WebCore::RenderObject&)> (B)lock/(I)nline/I(N)line-block, (A)bsolute/Fi(X)ed/(R)elative/Stic(K)y, (F)loating, (O)verflow clip, Anon(Y)mous, (G)enerated, has(L)ayer, (C)omposited, (+)Dirty style, (+)Dirty layout B---YGL- -- RenderView at (0,0) size 800x558 renderer->(0x7fe3e40591c0) B-----L- -- HTML RenderBlock at (0,0) size 800x558 renderer->(0x7fe3e4059620) node->(0x7fe3e4059470) B------- -- BODY RenderBody at (8,8) size 784x542 renderer->(0x7fe3e4059740) node->(0x7fe3e4059590) B------- -- DIV RenderFlexibleBox at (0,0) size 784x0 renderer->(0x7fe3e405aeb0) node->(0x7fe3e405aa80) BR----L- -+* DIV RenderBlock at (0,0) size 0x0 renderer->(0x7fe3e405b060) node->(0x7fe3e405ab70) layout->[positioned child] BA----L- -+ SPAN RenderBlock at (0,0) size 1x172 renderer->(0x7fe3e405b180) node->(0x7fe3e405ac60) layout->[normal child] B--O--L- -- UL RenderGrid at (0,16) size 40x140 renderer->(0x7fe3e405b2a0) node->(0x7fe3e405ad50) B------- -- BUTTON RenderButton at (42,2) size 16x136 renderer->(0x7fe3e405b5d0) node->(0x7fe3e405ade0) SHOULD NEVER BE REACHED ../../Source/WebCore/page/FrameViewLayoutContext.cpp(131) : WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()::<lambda(const WebCore::RenderObject&)> 1 0x7fe3ef115d79 WTFCrash 2 0x7fe3fc1cf8f7 WTF::CrashOnOverflow::overflowed() 3 0x7fe3ff437273 /app/webkit/WebKitBuild/Debug/lib/libwebkit2gtk-4.0.so.37(+0xe9f3273) [0x7fe3ff437273] 4 0x7fe3ff4372fd WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker() 5 0x7fe3ff42d45b WebCore::FrameViewLayoutContext::layout() 6 0x7fe3fe9b488b WebCore::Document::implicitClose() 7 0x7fe3ff23f85d WebCore::FrameLoader::checkCallImplicitClose() 8 0x7fe3ff23f59d WebCore::FrameLoader::checkCompleted() 9 0x7fe3ff23f232 WebCore::FrameLoader::finishedParsing() 10 0x7fe3fe9c1bf0 WebCore::Document::finishedParsing() 11 0x7fe3fef703a3 WebCore::HTMLConstructionSite::finishedParsing() 12 0x7fe3fefac832 WebCore::HTMLTreeBuilder::finished() 13 0x7fe3fef7482a WebCore::HTMLDocumentParser::end() 14 0x7fe3fef74902 WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd() 15 0x7fe3fef7337c WebCore::HTMLDocumentParser::prepareToStopParsing() 16 0x7fe3fef7493d WebCore::HTMLDocumentParser::attemptToEnd() 17 0x7fe3fef749ed WebCore::HTMLDocumentParser::finish() 18 0x7fe3ff22fe4e WebCore::DocumentWriter::end() 19 0x7fe3ff1faf67 WebCore::DocumentLoader::finishedLoading() 20 0x7fe3ff1fa9cb WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource&) 21 0x7fe3ff312003 WebCore::CachedResource::checkNotify() 22 0x7fe3ff31210a WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*) 23 0x7fe3ff30dbf8 WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) 24 0x7fe3ff2bc59b WebCore::SubresourceLoader::didFinishLoading(WebCore::NetworkLoadMetrics const&) 25 0x7fe3fd13f153 WebKit::WebResourceLoader::didFinishResourceLoad(WebCore::NetworkLoadMetrics const&) 26 0x7fe3fc5f2ce2 void IPC::callMemberFunctionImpl<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::tuple<WebCore::NetworkLoadMetrics>, 0ul>(WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::tuple<WebCore::NetworkLoadMetrics>&&, std::integer_sequence<unsigned long, 0ul>) 27 0x7fe3fc5f23cc void IPC::callMemberFunction<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::tuple<WebCore::NetworkLoadMetrics>, std::integer_sequence<unsigned long, 0ul> >(std::tuple<WebCore::NetworkLoadMetrics>&&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)) 28 0x7fe3fc5f194a void IPC::handleMessage<Messages::WebResourceLoader::DidFinishResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)>(IPC::Decoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)) 29 0x7fe3fc5f0c1e WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) 30 0x7fe3fd0fd019 WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) 31 0x7fe3fc969da7 IPC::Connection::dispatchMessage(IPC::Decoder&) [1]: https://github.com/MozillaSecurity/lithium/
Thanks for the reduction!