163461 2016-10-14 14:52:10 -0700 ASSERTION FAILED: !rect.isEmpty() in WebCore::GraphicsContext::drawRect 2016-12-26 19:15:24 -0800 1 1 1 Unclassified WebKit Layout and Rendering WebKit Local Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 116980 1 hodovan zalan commit-queue esprehn+autocc glenn hodovan kondapallykalyan simon.fraser zalan oldest_to_newest 1240421 0 hodovan 2016-10-14 14:52:10 -0700 Load the attached test with debug webkittestrunner. Checked version: 2c9fa6e OS: Darwin-15.6.0-x86_64-i386-64bit <ul style=font-size:1px><ul><ul><li> Backtrace: WebKit/Source/WebKit2/Shared/mac/SandboxExtensionMac.mm(229) : static bool WebKit::SandboxExtension::createHandle(const WTF::String &, WebKit::SandboxExtension::Type, WebKit::SandboxExtension::Handle &) ASSERTION FAILED: !rect.isEmpty() WebKit/Source/WebCore/platform/graphics/cg/GraphicsContextCG.cpp(421) : void WebCore::GraphicsContext::drawRect(const WebCore::FloatRect &, float) 1 0x10ab034f1 WTFCrash 2 0x110a4f315 WebCore::GraphicsContext::drawRect(WebCore::FloatRect const&, float) 3 0x114073234 WebCore::RenderListMarker::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 4 0x113d51387 WebCore::paintPhase(WebCore::RenderElement&, WebCore::PaintPhase, WebCore::PaintInfo&, WebCore::LayoutPoint const&) 5 0x113d5120e WebCore::RenderElement::paintAsInlineBlock(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 6 0x111276ccb WebCore::InlineElementBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit) 7 0x11128a3ff WebCore::InlineFlowBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit) 8 0x1146392ac WebCore::RootInlineBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit) 9 0x11403d94d WebCore::RenderLineBoxList::paint(WebCore::RenderBoxModelObject*, WebCore::PaintInfo&, WebCore::LayoutPoint const&) const 10 0x113ba0119 WebCore::RenderBlockFlow::paintInlineChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 11 0x113aaca50 WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 12 0x113aaf01b WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 13 0x113aac452 WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 14 0x11406b6ea WebCore::RenderListItem::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 15 0x113aad971 WebCore::RenderBlock::paintChild(WebCore::RenderBox&, WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool, WebCore::RenderBlock::PaintBlockType) 16 0x113aacdbe WebCore::RenderBlock::paintChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool) 17 0x113aaccb8 WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 18 0x113aaf01b WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 19 0x113aac452 WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 20 0x113aad971 WebCore::RenderBlock::paintChild(WebCore::RenderBox&, WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool, WebCore::RenderBlock::PaintBlockType) 21 0x113aacdbe WebCore::RenderBlock::paintChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool) 22 0x113aaccb8 WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 23 0x113aaf01b WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 24 0x113aac452 WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 25 0x11406b6ea WebCore::RenderListItem::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 26 0x113aad971 WebCore::RenderBlock::paintChild(WebCore::RenderBox&, WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool, WebCore::RenderBlock::PaintBlockType) 27 0x113aacdbe WebCore::RenderBlock::paintChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool) 28 0x113aaccb8 WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 29 0x113aaf01b WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 30 0x113aac452 WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 31 0x113f35294 WebCore::RenderLayer::paintForegroundForFragmentsWithPhase(WebCore::PaintPhase, WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::RenderObject*) ASAN:DEADLYSIGNAL ================================================================= ==8147==ERROR: AddressSanitizer: SEGV on unknown address 0x0000bbadbeef (pc 0x00010ab03529 bp 0x7fff5e9a2030 sp 0x7fff5e9a2020 T0) #0 0x10ab03528 in WTFCrash (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d01528) #1 0x110a4f314 in WebCore::GraphicsContext::drawRect(WebCore::FloatRect const&, float) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1cb5314) #2 0x114073233 in WebCore::RenderListMarker::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x52d9233) #3 0x113d51386 in WebCore::paintPhase(WebCore::RenderElement&, WebCore::PaintPhase, WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4fb7386) #4 0x113d5120d in WebCore::RenderElement::paintAsInlineBlock(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4fb720d) #5 0x111276cca in WebCore::InlineElementBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x24dccca) #6 0x11128a3fe in WebCore::InlineFlowBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x24f03fe) #7 0x1146392ab in WebCore::RootInlineBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x589f2ab) #8 0x11403d94c in WebCore::RenderLineBoxList::paint(WebCore::RenderBoxModelObject*, WebCore::PaintInfo&, WebCore::LayoutPoint const&) const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x52a394c) #9 0x113ba0118 in WebCore::RenderBlockFlow::paintInlineChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4e06118) #10 0x113aaca4f in WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12a4f) #11 0x113aaf01a in WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d1501a) #12 0x113aac451 in WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12451) #13 0x11406b6e9 in WebCore::RenderListItem::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x52d16e9) #14 0x113aad970 in WebCore::RenderBlock::paintChild(WebCore::RenderBox&, WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool, WebCore::RenderBlock::PaintBlockType) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d13970) #15 0x113aacdbd in WebCore::RenderBlock::paintChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12dbd) #16 0x113aaccb7 in WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12cb7) #17 0x113aaf01a in WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d1501a) #18 0x113aac451 in WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12451) #19 0x113aad970 in WebCore::RenderBlock::paintChild(WebCore::RenderBox&, WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool, WebCore::RenderBlock::PaintBlockType) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d13970) #20 0x113aacdbd in WebCore::RenderBlock::paintChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12dbd) #21 0x113aaccb7 in WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12cb7) #22 0x113aaf01a in WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d1501a) #23 0x113aac451 in WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12451) #24 0x11406b6e9 in WebCore::RenderListItem::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x52d16e9) #25 0x113aad970 in WebCore::RenderBlock::paintChild(WebCore::RenderBox&, WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool, WebCore::RenderBlock::PaintBlockType) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d13970) #26 0x113aacdbd in WebCore::RenderBlock::paintChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12dbd) #27 0x113aaccb7 in WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12cb7) #28 0x113aaf01a in WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d1501a) #29 0x113aac451 in WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d12451) #30 0x113f35293 in WebCore::RenderLayer::paintForegroundForFragmentsWithPhase(WebCore::PaintPhase, WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::RenderObject*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x519b293) #31 0x113f2bb5d in WebCore::RenderLayer::paintForegroundForFragments(WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::GraphicsContext&, WebCore::GraphicsContext&, WebCore::LayoutRect const&, bool, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::RenderObject*, bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5191b5d) #32 0x113f1e80c in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x518480c) #33 0x113fbd574 in WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, unsigned int, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5223574) #34 0x113fbe5f5 in WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, unsigned int, WebCore::FloatRect const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x52245f5) #35 0x110a6e11c in WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::FloatRect const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1cd411c) #36 0x110a9734a in WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1cfd34a) #37 0x1139455fb in WebCore::PlatformCALayer::drawLayerContents(CGContext*, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4bab5fb) #38 0x115880ee3 in -[WebLayer drawInContext:] (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6ae6ee3) #39 0x7fff871afb18 in CABackingStoreUpdate_ (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x20b18) #40 0x7fff871aed6c in invocation function for block in CA::Layer::display_() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x1fd6c) #41 0x7fff871ae758 in CA::Layer::display_() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x1f758) #42 0x115881fa8 in -[WebSimpleLayer display] (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6ae7fa8) #43 0x7fff871a04a4 in CA::Layer::display_if_needed(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x114a4) #44 0x7fff8719ffcc in CA::Layer::layout_and_display_if_needed(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x10fcc) #45 0x7fff8719f4a0 in CA::Context::commit_transaction(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x104a0) #46 0x7fff8719f0eb in CA::Transaction::commit() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x100eb) #47 0x101fab433 in WebKit::TiledCoreAnimationDrawingArea::forceRepaint() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0xd44433) #48 0x10262348c in WebKit::WebPage::forceRepaintWithoutCallback() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x13bc48c) #49 0x102f45d5c in WKBundlePageForceRepaint (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1cded5c) #50 0x12a3de1ac in WTR::InjectedBundlePage::dump() (WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x641ac) #51 0x12a3dd121 in WTR::InjectedBundlePage::frameDidChangeLocation(OpaqueWKBundleFrame const*, bool) (WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x63121) #52 0x12a3d9ea6 in WTR::InjectedBundlePage::didFinishLoadForFrame(OpaqueWKBundleFrame const*) (WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x5fea6) #53 0x12a3d7fa7 in WTR::InjectedBundlePage::didFinishLoadForFrame(OpaqueWKBundlePage const*, OpaqueWKBundleFrame const*, void const**, void const*) (WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x5dfa7) #54 0x1016cdaf4 in WebKit::InjectedBundlePageLoaderClient::didFinishLoadForFrame(WebKit::WebPage*, WebKit::WebFrame*, WTF::RefPtr<API::Object>&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x466af4) #55 0x10234eeb5 in WebKit::WebFrameLoaderClient::dispatchDidFinishLoad() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x10e7eb5) #56 0x11081e8c7 in WebCore::FrameLoader::checkLoadCompleteForThisFrame() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a848c7) #57 0x11080cbca in WebCore::FrameLoader::checkLoadComplete() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a72bca) #58 0x11080bd55 in WebCore::FrameLoader::checkCompleted() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a71d55) #59 0x11080bde4 in WebCore::FrameLoader::loadDone() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1a71de4) #60 0x10f3e021e in WebCore::CachedResourceLoader::loadDone(WebCore::CachedResource*, bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x64621e) #61 0x114e9d339 in WebCore::SubresourceLoader::notifyDone() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6103339) #62 0x114e9da9a in WebCore::SubresourceLoader::didFail(WebCore::ResourceError const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6103a9a) #63 0x102cf86d0 in WebKit::WebResourceLoader::didFailResourceLoad(WebCore::ResourceError const&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a916d0) #64 0x102d06e09 in void IPC::callMemberFunctionImpl<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&), std::__1::tuple<WebCore::ResourceError>, 0ul>(WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&), std::__1::tuple<WebCore::ResourceError>&&, std::__1::integer_sequence<unsigned long, 0ul>) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9fe09) #65 0x102d06a14 in void IPC::callMemberFunction<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&), std::__1::tuple<WebCore::ResourceError>, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<WebCore::ResourceError>&&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9fa14) #66 0x102d03a93 in void IPC::handleMessage<Messages::WebResourceLoader::DidFailResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&)>(IPC::Decoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::ResourceError const&)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9ca93) #67 0x102d01c4b in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1a9ac4b) #68 0x101a2ada9 in WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x7c3da9) #69 0x10143efba in IPC::Connection::dispatchMessage(IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d7fba) #70 0x1014277c4 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) #71 0x10143fca5 in IPC::Connection::dispatchOneMessage() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d8ca5) #72 0x10145025c in IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14::operator()() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1e925c) #73 0x101450188 in WTF::Function<void ()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14>::call() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1e9188) #74 0x10ab87830 in WTF::Function<void ()>::operator()() const (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d85830) #75 0x10abd1d50 in WTF::RunLoop::performWork() (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2dcfd50) #76 0x10abd2b11 in WTF::RunLoop::performWork(void*) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2dd0b11) #77 0x7fff833a6880 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0xaa880) #78 0x7fff83385fbb in __CFRunLoopDoSources0 (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x89fbb) #79 0x7fff833854de in __CFRunLoopRun (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x894de) #80 0x7fff83384ed7 in CFRunLoopRunSpecific (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x88ed7) #81 0x7fff84765934 in RunCurrentEventLoopInMode (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30934) #82 0x7fff8476576e in ReceiveNextEventCommon (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x3076e) #83 0x7fff847655ae in _BlockUntilNextEventMatchingListInModeWithFilter (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x305ae) #84 0x7fff8fdcadf5 in _DPSNextEvent (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48df5) #85 0x7fff8fdca225 in -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x48225) #86 0x7fff8fdbed7f in -[NSApplication run] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x3cd7f) #87 0x7fff8fd88367 in NSApplicationMain (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x6367) #88 0x7fff94690193 in _xpc_objc_main (/usr/lib/system/libxpc.dylib+0x11193) #89 0x7fff9468ebbd in xpc_main (/usr/lib/system/libxpc.dylib+0xfbbd) #90 0x101250f73 in main (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development+0x100001f73) #91 0x7fff8c3145ac in start (/usr/lib/system/libdyld.dylib+0x35ac) #92 0x0 (<unknown module>) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2d01528) in WTFCrash ==8147==ABORTING #CRASHED - com.apple.WebKit.WebContent.Development (pid 8147) 1240422 1 291669 hodovan 2016-10-14 14:52:13 -0700 Created attachment 291669 Test 1262714 2 297759 zalan 2016-12-25 22:04:49 -0800 Created attachment 297759 Patch 1262726 3 297759 darin 2016-12-26 01:30:39 -0800 Comment on attachment 297759 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=297759&action=review Better, but not 100% right, I think. > Source/WebCore/rendering/RenderListMarker.cpp:1191 > + auto marker = getRelativeMarkerRect(); Should be markerRect, not marker. > Source/WebCore/rendering/RenderListMarker.cpp:1780 > + LayoutUnit ascent = fontMetrics.ascent(); > + LayoutUnit bulletWidth = (ascent * 2 / 3 + 1) / 2; > + relativeRect = LayoutRect(1, 3 * (ascent - ascent * 2 / 3) / 2, bulletWidth, bulletWidth); We are using ascent instead of floatAscent, which means it gets truncated to an integer before putting it into a LayoutUnit; is that what we want? I also think the rounding tricks here are no longer quite right. For example, the bullet width math adds 1 before dividing by 2. That’s a trick for rounding instead of truncating when dealing with integers, and it seems inappropriate for LayoutUnit. I’m not sure we have sufficient test cases. 1262786 4 zalan 2016-12-26 17:17:45 -0800 (In reply to comment #3) > Comment on attachment 297759 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=297759&action=review > > Better, but not 100% right, I think. > > > Source/WebCore/rendering/RenderListMarker.cpp:1191 > > + auto marker = getRelativeMarkerRect(); > > Should be markerRect, not marker. > > > Source/WebCore/rendering/RenderListMarker.cpp:1780 > > + LayoutUnit ascent = fontMetrics.ascent(); > > + LayoutUnit bulletWidth = (ascent * 2 / 3 + 1) / 2; > > + relativeRect = LayoutRect(1, 3 * (ascent - ascent * 2 / 3) / 2, bulletWidth, bulletWidth); > > We are using ascent instead of floatAscent, which means it gets truncated to > an integer before putting it into a LayoutUnit; is that what we want? > > I also think the rounding tricks here are no longer quite right. For > example, the bullet width math adds 1 before dividing by 2. That’s a trick > for rounding instead of truncating when dealing with integers, and it seems > inappropriate for LayoutUnit. I’m not sure we have sufficient test cases. You are right. What I am gonna do is decouple the actual assert fix and the subpixel adjustment and land the subpixel part later(bug 166487) 1262788 5 297776 zalan 2016-12-26 18:37:31 -0800 Created attachment 297776 Patch 1262790 6 297776 commit-queue 2016-12-26 19:15:19 -0800 Comment on attachment 297776 Patch Clearing flags on attachment: 297776 Committed r210152: <http://trac.webkit.org/changeset/210152> 1262791 7 commit-queue 2016-12-26 19:15:24 -0800 All reviewed patches have been landed. Closing bug. 291669 2016-10-14 14:52:13 -0700 2016-12-25 16:42:21 -0800 Test test.html text/html 36 hodovan PHVsIHN0eWxlPWZvbnQtc2l6ZToxcHg+PHVsPjx1bD48bGk+ 297759 2016-12-25 22:04:49 -0800 2016-12-26 18:37:28 -0800 Patch bug-163461-20161225220339.patch text/plain 10199 zalan U3VidmVyc2lvbiBSZXZpc2lvbjogMjEwMTIwCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggNTI1OGZkZThiMmVlZjdl MjRhZTZmMjYzMjE5MWJiNzA2MTAzYWQ4NC4uZWRiMjgzMjE2ZTQ3YzQxMDE2MGVjY2I5YTQ1YmQ1 ZDEyNmQ2MjVkZSAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE5IEBACisyMDE2LTEyLTI1ICBaYWxh biBCdWp0YXMgIDx6YWxhbkBhcHBsZS5jb20+CisKKyAgICAgICAgQVNTRVJUSU9OIEZBSUxFRDog IXJlY3QuaXNFbXB0eSgpIGluIFdlYkNvcmU6OkdyYXBoaWNzQ29udGV4dDo6ZHJhd1JlY3QKKyAg ICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE2MzQ2MQorCisg ICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIE1ha2UgbGlzdCBt 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