Load the attached test with debug WebKitTestRunner: Checked version: f368f1d OS: Darwin-15.6.0-x86_64-i386-64bit <style>#_ , #id_20 { display: table-column-group } * { display: table-footer-group </style><keygen id="id_20" ><keygen> Backtrace: ASSERTION FAILED: span >= 1 WebKit/Source/WebCore/rendering/RenderTable.cpp(1013) : WebCore::RenderTableCol *WebCore::RenderTable::slowColElement(unsigned int, bool *, bool *) const 1 0x10b23f4f1 WTFCrash 2 0x114ac5e8d WebCore::RenderTable::slowColElement(unsigned int, bool*, bool*) const 3 0x10f911646 WebCore::RenderTable::colElement(unsigned int, bool*, bool*) const 4 0x10f90dc07 WebCore::RenderTableCell::styleOrColLogicalWidth() const 5 0x11428fb83 WebCore::RenderBlockFlow::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) const 6 0x11420c993 WebCore::RenderBlock::computePreferredLogicalWidths() 7 0x114ae1059 WebCore::RenderTableCell::computePreferredLogicalWidths() 8 0x11436cb3f WebCore::RenderBox::minPreferredLogicalWidth() const 9 0x10f90086e WebCore::AutoTableLayout::recalcColumn(unsigned int) 10 0x10f90225d WebCore::AutoTableLayout::fullRecalc() 11 0x10f90264a WebCore::AutoTableLayout::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) 12 0x114ac21bc WebCore::RenderTable::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) const 13 0x114ac2474 WebCore::RenderTable::computePreferredLogicalWidths() 14 0x11436cb3f WebCore::RenderBox::minPreferredLogicalWidth() const 15 0x11420ae88 WebCore::RenderBlock::computeBlockPreferredLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) const 16 0x11428f984 WebCore::RenderBlockFlow::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) const 17 0x11420c993 WebCore::RenderBlock::computePreferredLogicalWidths() 18 0x114ae1059 WebCore::RenderTableCell::computePreferredLogicalWidths() 19 0x11436cb3f WebCore::RenderBox::minPreferredLogicalWidth() const 20 0x10f90086e WebCore::AutoTableLayout::recalcColumn(unsigned int) 21 0x10f90225d WebCore::AutoTableLayout::fullRecalc() 22 0x10f90264a WebCore::AutoTableLayout::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) 23 0x114ac21bc WebCore::RenderTable::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) const 24 0x114ac2474 WebCore::RenderTable::computePreferredLogicalWidths() 25 0x11436cdcf WebCore::RenderBox::maxPreferredLogicalWidth() const 26 0x114ab2dc1 WebCore::RenderTable::updateLogicalWidth() 27 0x114ab87a1 WebCore::RenderTable::layout() 28 0x1142a33e4 WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) 29 0x11429bf50 WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) 30 0x114298808 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) 31 0x1141e21b2 WebCore::RenderBlock::layout() ASAN:DEADLYSIGNAL ================================================================= ==9797==ERROR: AddressSanitizer: SEGV on unknown address 0x0000bbadbeef (pc 0x00010b23f529 bp 0x7fff5e25ea30 sp 0x7fff5e25ea20 T0) #0 0x10b23f528 in WTFCrash (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d01528) #1 0x114ac5e8c in WebCore::RenderTable::slowColElement(unsigned int, bool*, bool*) const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x55ece8c) #2 0x10f911645 in WebCore::RenderTable::colElement(unsigned int, bool*, bool*) const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x438645) #3 0x10f90dc06 in WebCore::RenderTableCell::styleOrColLogicalWidth() const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x434c06) #4 0x11428fb82 in WebCore::RenderBlockFlow::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4db6b82) #5 0x11420c992 in WebCore::RenderBlock::computePreferredLogicalWidths() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d33992) #6 0x114ae1058 in WebCore::RenderTableCell::computePreferredLogicalWidths() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5608058) #7 0x11436cb3e in WebCore::RenderBox::minPreferredLogicalWidth() const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4e93b3e) #8 0x10f90086d in WebCore::AutoTableLayout::recalcColumn(unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x42786d) #9 0x10f90225c in WebCore::AutoTableLayout::fullRecalc() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x42925c) #10 0x10f902649 in WebCore::AutoTableLayout::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x429649) #11 0x114ac21bb in WebCore::RenderTable::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x55e91bb) #12 0x114ac2473 in WebCore::RenderTable::computePreferredLogicalWidths() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x55e9473) #13 0x11436cb3e in WebCore::RenderBox::minPreferredLogicalWidth() const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4e93b3e) #14 0x11420ae87 in WebCore::RenderBlock::computeBlockPreferredLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d31e87) #15 0x11428f983 in WebCore::RenderBlockFlow::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4db6983) #16 0x11420c992 in WebCore::RenderBlock::computePreferredLogicalWidths() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d33992) #17 0x114ae1058 in WebCore::RenderTableCell::computePreferredLogicalWidths() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5608058) #18 0x11436cb3e in WebCore::RenderBox::minPreferredLogicalWidth() const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4e93b3e) #19 0x10f90086d in WebCore::AutoTableLayout::recalcColumn(unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x42786d) #20 0x10f90225c in WebCore::AutoTableLayout::fullRecalc() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x42925c) #21 0x10f902649 in WebCore::AutoTableLayout::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x429649) #22 0x114ac21bb in WebCore::RenderTable::computeIntrinsicLogicalWidths(WebCore::LayoutUnit&, WebCore::LayoutUnit&) const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x55e91bb) #23 0x114ac2473 in WebCore::RenderTable::computePreferredLogicalWidths() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x55e9473) #24 0x11436cdce in WebCore::RenderBox::maxPreferredLogicalWidth() const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4e93dce) #25 0x114ab2dc0 in WebCore::RenderTable::updateLogicalWidth() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x55d9dc0) #26 0x114ab87a0 in WebCore::RenderTable::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x55df7a0) #27 0x1142a33e3 in WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4dca3e3) #28 0x11429bf4f in WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4dc2f4f) #29 0x114298807 in WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4dbf807) #30 0x1141e21b1 in WebCore::RenderBlock::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d091b1) #31 0x1142a33e3 in WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4dca3e3) #32 0x11429bf4f in WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4dc2f4f) #33 0x114298807 in WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4dbf807) #34 0x1141e21b1 in WebCore::RenderBlock::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d091b1) #35 0x114c293b5 in WebCore::RenderView::layoutContent(WebCore::LayoutState const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x57503b5) #36 0x114c2b815 in WebCore::RenderView::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5752815) #37 0x110fdd6a1 in WebCore::FrameView::layout(bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1b046a1) #38 0x1106659d5 in WebCore::Document::implicitClose() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x118c9d5) #39 0x110f4b1e2 in WebCore::FrameLoader::checkCallImplicitClose() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a721e2) #40 0x110f4accb in WebCore::FrameLoader::checkCompleted() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a71ccb) #41 0x110f47176 in WebCore::FrameLoader::finishedParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a6e176) #42 0x110689ab2 in WebCore::Document::finishedParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x11b0ab2) #43 0x111310555 in WebCore::HTMLConstructionSite::finishedParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1e37555) #44 0x1116085b7 in WebCore::HTMLTreeBuilder::finished() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x212f5b7) #45 0x111383cfb in WebCore::HTMLDocumentParser::end() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1eaacfb) #46 0x11137f9e6 in WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1ea69e6) #47 0x11137f64d in WebCore::HTMLDocumentParser::prepareToStopParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1ea664d) #48 0x111383d9b in WebCore::HTMLDocumentParser::attemptToEnd() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1eaad9b) #49 0x111383df3 in WebCore::HTMLDocumentParser::finish() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1eaadf3) #50 0x11084e97f in WebCore::DocumentWriter::end() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x137597f) #51 0x1107a8e56 in WebCore::DocumentLoader::finishedLoading(double) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x12cfe56) #52 0x1107a898a in WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x12cf98a) #53 0x10faeab23 in WebCore::CachedResource::checkNotify() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x611b23) #54 0x10faead13 in WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x611d13) #55 0x10fadfd54 in WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x606d54) #56 0x1155d8e8e in WebCore::SubresourceLoader::didFinishLoading(double) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x60ffe8e) #57 0x10343f43e in WebKit::WebResourceLoader::didFinishResourceLoad(double) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9143e) #58 0x10344d6ce in void IPC::callMemberFunctionImpl<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double), std::__1::tuple<double>, 0ul>(WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double), std::__1::tuple<double>&&, std::__1::integer_sequence<unsigned long, 0ul>) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9f6ce) #59 0x10344d374 in void IPC::callMemberFunction<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double), std::__1::tuple<double>, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<double>&&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9f374) #60 0x10344a680 in void IPC::handleMessage<Messages::WebResourceLoader::DidFinishResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double)>(IPC::Decoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9c680) #61 0x103448a10 in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9aa10) #62 0x102171da9 in WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x7c3da9) #63 0x101b85fba in IPC::Connection::dispatchMessage(IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d7fba) #64 0x101b6e7c4 in IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1c07c4) #65 0x101b86ca5 in IPC::Connection::dispatchOneMessage() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d8ca5) #66 0x101b9725c in IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14::operator()() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1e925c) #67 0x101b97188 in WTF::Function<void ()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14>::call() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1e9188) #68 0x10b2c3830 in WTF::Function<void ()>::operator()() const (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d85830) #69 0x10b30dc46 in WTF::RunLoop::performWork() (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2dcfc46) #70 0x10b30eb11 in WTF::RunLoop::performWork(void*) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2dd0b11) #71 0x7fff81c1f880 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0xaa880) #72 0x7fff81bfefbb in __CFRunLoopDoSources0 (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x89fbb) #73 0x7fff81bfe4de in __CFRunLoopRun (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x894de) #74 0x7fff81bfded7 in CFRunLoopRunSpecific (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x88ed7) #75 0x7fff82fde934 in RunCurrentEventLoopInMode (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30934) #76 0x7fff82fde76e in ReceiveNextEventCommon (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x3076e) #77 0x7fff82fde5ae in _BlockUntilNextEventMatchingListInModeWithFilter (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x305ae) #78 0x7fff8e643df5 in _DPSNextEvent (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48df5) #79 0x7fff8e643225 in -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48225) #80 0x7fff8e637d7f in -[NSApplication run] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x3cd7f) #81 0x7fff8e601367 in NSApplicationMain (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x6367) #82 0x7fff92f09193 in _xpc_objc_main (/usr/lib/system/libxpc.dylib+0x11193) #83 0x7fff92f07bbd in xpc_main (/usr/lib/system/libxpc.dylib+0xfbbd) #84 0x101992f73 in main (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development+0x100001f73) #85 0x7fff8ab8d5ac in start (/usr/lib/system/libdyld.dylib+0x35ac) #86 0x0 (<unknown module>) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d01528) in WTFCrash ==9797==ABORTING #CRASHED - com.apple.WebKit.WebContent.Development (pid 9797)
Created attachment 297435 [details] Test
Using MiniBrowser WK2 Debug instance based of 259136@main, while loading the attached test case, I am not getting any ASSERT FAILED. Can we consider this as FIXED? Thanks!