215875 2020-08-26 17:39:27 -0700 REGRESSION: ASSERT NOT REACHED: WebCore::Layout::LayoutContext::verifyAndOutputMismatchingLayoutTree 2020-11-29 19:53:30 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 hector_i_lopez webkit-unassigned webkit-bot-watchers-bugzilla webkit-bug-importer zalan oldest_to_newest 1683227 0 hector_i_lopez 2020-08-26 17:39:27 -0700 fast/layoutformattingcontext/line-heigt-when-text-is-inside-inline-container.html Test is a constant failure according to history on macOS wk2 Debug. First occurrence of a crash is at r266126 but no indication that revision was cause. Might be associated with change made https://results.webkit.org/commit?branch=trunk&uuid=159837355000 History: https://results.webkit.org/?suite=layout-tests&test=fast%2Flayoutformattingcontext%2Fline-heigt-when-text-is-inside-inline-container.html&limit=50000&platform=mac&flavor=wk2 Crash log: (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---YGLC --* RenderView at (0,0) size 785x600 renderer->(0x335df9260) B-----L- -- HTML RenderBlock at (0,0) size 785x600 renderer->(0x335df9710) node->(0x337bc0080) B------- -- BODY RenderBody at (8,8) size 769x584 renderer->(0x335df9840) node->(0x337bc8080) BA----L- -- DIV RenderBlock at (8,8) size 120x10 renderer->(0x337ba4490) node->(0x337bb6200) -------- -- RootInlineBox at (0,-6) size 120x18 (0x337ba7290) renderer->(0x337ba4490) -------- -- InlineTextBox at (0,0) size 120x10 (0x337ba7220) renderer->(0x337ba7120) run(0, 12) "text content" I------- -- SPAN RenderInline renderer->(0x337ba7040) node->(0x337bb6290) I------- -- #text RenderText renderer->(0x337ba7120) node->(0x337ba8210) length->(12) "text content" Initial containing block at (0,0) size 785x600 layout box->(0x335df9970) HTML at (0,0) size 785x600 layout box->(0x335df9ad0) BODY at (8,8) size 769x584 layout box->(0x335df9ba0) block box at (8,8) size 120x18 layout box->(0x337ba46f0) lines are -> [0.00,0.00 120.00x18.00] inline text box at (0.00,6.00) size 120.00x10.00 run(0, 12) SPAN inline box at (0,6) size 120x10 layout box->(0x337ba47c0) DIV RenderBlock (positioned)(0x337ba4490) layoutBox(0x337ba46f0) frameBox renderer->(8,8) (120x10) layout->(8,8) (120x18) SHOULD NEVER BE REACHED ./layout/Verification.cpp(401) : static void WebCore::Layout::LayoutContext::verifyAndOutputMismatchingLayoutTree(const WebCore::Layout::LayoutState &, const WebCore::RenderView &) 1 0x32cbdeac9 WTFCrash 2 0x30dbee23b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x311465c35 WebCore::Layout::LayoutContext::verifyAndOutputMismatchingLayoutTree(WebCore::Layout::LayoutState const&, WebCore::RenderView const&) 4 0x31181f4f2 WebCore::FrameViewLayoutContext::layoutUsingFormattingContext() 5 0x31182070f WebCore::FrameViewLayoutContext::layout() 6 0x310937a73 WebCore::Document::implicitClose() 7 0x3115a5b5b WebCore::FrameLoader::checkCallImplicitClose() 8 0x3115a564a WebCore::FrameLoader::checkCompleted() 9 0x3115a39f7 WebCore::FrameLoader::finishedParsing() 10 0x31094aea6 WebCore::Document::finishedParsing() 11 0x31110c358 WebCore::HTMLConstructionSite::finishedParsing() 12 0x311151c07 WebCore::HTMLTreeBuilder::finished() 13 0x31111b328 WebCore::HTMLDocumentParser::end() 14 0x311119178 WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd() 15 0x311118ea7 WebCore::HTMLDocumentParser::prepareToStopParsing() 16 0x31111b392 WebCore::HTMLDocumentParser::attemptToEnd() 17 0x31111b469 WebCore::HTMLDocumentParser::finish() 18 0x31153a172 WebCore::DocumentWriter::end() 19 0x311539174 WebCore::DocumentLoader::finishedLoading() 20 0x311538b71 WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource&, WebCore::NetworkLoadMetrics const&) 21 0x3116c8f6a WebCore::CachedResource::checkNotify(WebCore::NetworkLoadMetrics const&) 22 0x3116c4c3c WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*, WebCore::NetworkLoadMetrics const&) 23 0x3116c5fac WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*, WebCore::NetworkLoadMetrics const&) 24 0x311643154 WebCore::SubresourceLoader::didFinishLoading(WebCore::NetworkLoadMetrics const&) 25 0x30167e0ea WebKit::WebResourceLoader::didFinishResourceLoad(WebCore::NetworkLoadMetrics const&) 26 0x301c95080 void IPC::callMemberFunctionImpl<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::__1::tuple<WebCore::NetworkLoadMetrics>, 0ul>(WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::__1::tuple<WebCore::NetworkLoadMetrics>&&, std::__1::integer_sequence<unsigned long, 0ul>) 27 0x301c94fb0 void IPC::callMemberFunction<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::__1::tuple<WebCore::NetworkLoadMetrics>, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<WebCore::NetworkLoadMetrics>&&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)) 28 0x301c929ce 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 0x301c9233e WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) 30 0x301641370 WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) 31 0x3000750bf IPC::Connection::dispatchMessage(IPC::Decoder&) LEAK: 1 WebPageProxy 1683228 1 webkit-bug-importer 2020-08-26 17:40:19 -0700 <rdar://problem/67840583> 1683233 2 hector_i_lopez 2020-08-26 18:03:33 -0700 Test expectation while investigated: https://trac.webkit.org/changeset/266211/webkit 1683258 3 zalan 2020-08-26 18:59:56 -0700 This (not-enabled-in-shipping-configuration) code is in transitional state: see bug 215752. I'll re-enable this test once the last patch is landed (probably by the end of this week).