Created attachment 298312 [details] Test Load the attached test with debug WebKitTestRunner: Checked version: 5f042ff OS: Darwin-16.3.0-x86_64-i386-64bit <style> * { zoom : 8186074741; -webkit-border-start : 0 solid green; } </style><frameset><frameset><frame> Backtrace: ASSERTION FAILED: x2 >= x1 WebKit/Source/WebCore/rendering/RenderElement.cpp(1961) : void WebCore::RenderElement::drawLineForBoxSide(WebCore::GraphicsContext &, const WebCore::FloatRect &, WebCore::BoxSide, WebCore::Color, WebCore::EBorderStyle, float, float, bool) const 1 0x119d2f1b1 WTFCrash 2 0x123a40918 WebCore::RenderElement::drawLineForBoxSide(WebCore::GraphicsContext&, WebCore::FloatRect const&, WebCore::BoxSide, WebCore::Color, WebCore::EBorderStyle, float, float, bool) const 3 0x1239b4733 WebCore::RenderBoxModelObject::paintOneBorderSide(WebCore::GraphicsContext&, WebCore::RenderStyle const&, WebCore::RoundedRect const&, WebCore::RoundedRect const&, WebCore::LayoutRect const&, WebCore::BoxSide, WebCore::BoxSide, WebCore::BoxSide, WebCore::BorderEdge const*, WebCore::Path const*, WebCore::BackgroundBleedAvoidance, bool, bool, bool, WebCore::Color const*) 4 0x1239bfcc6 WebCore::RenderBoxModelObject::paintBorderSides(WebCore::GraphicsContext&, WebCore::RenderStyle const&, WebCore::RoundedRect const&, WebCore::RoundedRect const&, WebCore::IntPoint const&, WebCore::BorderEdge const*, unsigned int, WebCore::BackgroundBleedAvoidance, bool, bool, bool, WebCore::Color const*) 5 0x1239c3489 WebCore::RenderBoxModelObject::paintBorder(WebCore::PaintInfo const&, WebCore::LayoutRect const&, WebCore::RenderStyle const&, WebCore::BackgroundBleedAvoidance, bool, bool) 6 0x12390e190 WebCore::RenderBox::paintBoxDecorations(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 7 0x1241fc9b8 WebCore::RenderWidget::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 8 0x123ae3701 WebCore::RenderFrameSet::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 9 0x123ae3701 WebCore::RenderFrameSet::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) 10 0x123c0f294 WebCore::RenderLayer::paintForegroundForFragmentsWithPhase(WebCore::PaintPhase, WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::RenderObject*) 11 0x123c04f9e 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) 12 0x123bf7f40 WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) 13 0x123bf63f2 WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) 14 0x123bf1e8b WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) 15 0x123c048b6 WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) 16 0x123bf8054 WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) 17 0x123bf63f2 WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) 18 0x123bf1e8b WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) 19 0x123c048b6 WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) 20 0x123bf8054 WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) 21 0x123c8d705 WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, unsigned int, unsigned int) 22 0x123c8e786 WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, unsigned int, WebCore::FloatRect const&) 23 0x12023358d WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::FloatRect const&) 24 0x12026018b WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&) 25 0x12026034f non-virtual thunk to WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&) 26 0x1235f4ebc WebCore::PlatformCALayer::drawLayerContents(CGContext*, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow, 16ul>&) 27 0x1250b5dcf WebCore::TileGrid::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&) 28 0x1256216dd -[WebSimpleLayer drawInContext:] 29 0x7fffbecbb314 CABackingStoreUpdate_ 30 0x7fffbedd8464 invocation function for block in CA::Layer::display_() 31 0x7fffbedd80c5 CA::Layer::display_() ASAN:DEADLYSIGNAL ================================================================= ==64310==ERROR: AddressSanitizer: SEGV on unknown address 0x0000bbadbeef (pc 0x000119d2f1e9 bp 0x7fff510ae510 sp 0x7fff510ae500 T0) #0 0x119d2f1e8 in WTFCrash (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x32d81e8) #1 0x123a40917 in WebCore::RenderElement::drawLineForBoxSide(WebCore::GraphicsContext&, WebCore::FloatRect const&, WebCore::BoxSide, WebCore::Color, WebCore::EBorderStyle, float, float, bool) const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5565917) #2 0x1239b4732 in WebCore::RenderBoxModelObject::paintOneBorderSide(WebCore::GraphicsContext&, WebCore::RenderStyle const&, WebCore::RoundedRect const&, WebCore::RoundedRect const&, WebCore::LayoutRect const&, WebCore::BoxSide, WebCore::BoxSide, WebCore::BoxSide, WebCore::BorderEdge const*, WebCore::Path const*, WebCore::BackgroundBleedAvoidance, bool, bool, bool, WebCore::Color const*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x54d9732) #3 0x1239bfcc5 in WebCore::RenderBoxModelObject::paintBorderSides(WebCore::GraphicsContext&, WebCore::RenderStyle const&, WebCore::RoundedRect const&, WebCore::RoundedRect const&, WebCore::IntPoint const&, WebCore::BorderEdge const*, unsigned int, WebCore::BackgroundBleedAvoidance, bool, bool, bool, WebCore::Color const*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x54e4cc5) #4 0x1239c3488 in WebCore::RenderBoxModelObject::paintBorder(WebCore::PaintInfo const&, WebCore::LayoutRect const&, WebCore::RenderStyle const&, WebCore::BackgroundBleedAvoidance, bool, bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x54e8488) #5 0x12390e18f in WebCore::RenderBox::paintBoxDecorations(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x543318f) #6 0x1241fc9b7 in WebCore::RenderWidget::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5d219b7) #7 0x123ae3700 in WebCore::RenderFrameSet::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5608700) #8 0x123ae3700 in WebCore::RenderFrameSet::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5608700) #9 0x123c0f293 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+0x5734293) #10 0x123c04f9d 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+0x5729f9d) #11 0x123bf7f3f in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x571cf3f) #12 0x123bf63f1 in WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x571b3f1) #13 0x123bf1e8a in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5716e8a) #14 0x123c048b5 in WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x57298b5) #15 0x123bf8053 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x571d053) #16 0x123bf63f1 in WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x571b3f1) #17 0x123bf1e8a in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5716e8a) #18 0x123c048b5 in WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x57298b5) #19 0x123bf8053 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x571d053) #20 0x123c8d704 in WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, unsigned int, unsigned int) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x57b2704) #21 0x123c8e785 in WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, unsigned int, WebCore::FloatRect const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x57b3785) #22 0x12023358c in WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::FloatRect const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1d5858c) #23 0x12026018a in WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1d8518a) #24 0x12026034e in non-virtual thunk to WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1d8534e) #25 0x1235f4ebb in WebCore::PlatformCALayer::drawLayerContents(CGContext*, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow, 16ul>&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5119ebb) #26 0x1250b5dce in WebCore::TileGrid::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6bdadce) #27 0x1256216dc in -[WebSimpleLayer drawInContext:] (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x71466dc) #28 0x7fffbecbb313 in CABackingStoreUpdate_ (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x13313) #29 0x7fffbedd8463 in invocation function for block in CA::Layer::display_() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x130463) #30 0x7fffbedd80c4 in CA::Layer::display_() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x1300c4) #31 0x125621238 in -[WebSimpleLayer display] (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x7146238) #32 0x7fffbedcbf6d in CA::Layer::display_if_needed(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x123f6d) #33 0x7fffbedcc098 in CA::Layer::layout_and_display_if_needed(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x124098) #34 0x7fffbedc1877 in CA::Context::commit_transaction(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x119877) #35 0x7fffbecb8630 in CA::Transaction::commit() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x10630) #36 0x10f9c75d3 in WebKit::TiledCoreAnimationDrawingArea::forceRepaint() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0xe6f5d3) #37 0x1100da1ac in WebKit::WebPage::forceRepaintWithoutCallback() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x15821ac) #38 0x110bb7fcc in WKBundlePageForceRepaint (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x205ffcc) #39 0x13baa67fc in WTR::InjectedBundlePage::dump() (WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x6b7fc) #40 0x13baa5611 in WTR::InjectedBundlePage::frameDidChangeLocation(OpaqueWKBundleFrame const*, bool) (WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x6a611) #41 0x13baa2116 in WTR::InjectedBundlePage::didFinishLoadForFrame(OpaqueWKBundleFrame const*) (WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x67116) #42 0x13baa0067 in WTR::InjectedBundlePage::didFinishLoadForFrame(OpaqueWKBundlePage const*, OpaqueWKBundleFrame const*, void const**, void const*) (WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x65067) #43 0x10efe64d4 in WebKit::InjectedBundlePageLoaderClient::didFinishLoadForFrame(WebKit::WebPage*, WebKit::WebFrame*, WTF::RefPtr<API::Object>&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x48e4d4) #44 0x10fdc66a5 in WebKit::WebFrameLoaderClient::dispatchDidFinishLoad() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x126e6a5) #45 0x11ffbb329 in WebCore::FrameLoader::checkLoadCompleteForThisFrame() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1ae0329) #46 0x11ffa62fa in WebCore::FrameLoader::checkLoadComplete() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1acb2fa) #47 0x11f79f896 in WebCore::DocumentLoader::finishedLoading(double) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x12c4896) #48 0x11f79f2fa in WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x12c42fa) #49 0x11eb0ca63 in WebCore::CachedResource::checkNotify() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x631a63) #50 0x11eb0d0f3 in WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6320f3) #51 0x11eaff054 in WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x624054) #52 0x124bdbfee in WebCore::SubresourceLoader::didFinishLoading(double) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6700fee) #53 0x1108c1729 in WebKit::WebResourceLoader::didFinishResourceLoad(double) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d69729) #54 0x1108d0e7e 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+0x1d78e7e) #55 0x1108d0b24 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+0x1d78b24) #56 0x1108ce040 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+0x1d76040) #57 0x1108cc400 in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d74400) #58 0x10f401eb9 in WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x8a9eb9) #59 0x10ed4145a in IPC::Connection::dispatchMessage(IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1e945a) #60 0x10ed25a94 in IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1cda94) #61 0x10ed42145 in IPC::Connection::dispatchOneMessage() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1ea145) #62 0x10ed82dec in IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14::operator()() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x22adec) #63 0x10ed82d18 in WTF::Function<void ()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14>::call() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x22ad18) #64 0x119dabab0 in WTF::Function<void ()>::operator()() const (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x3354ab0) #65 0x119deff46 in WTF::RunLoop::performWork() (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x3398f46) #66 0x119df1091 in WTF::RunLoop::performWork(void*) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x339a091) #67 0x7fffb8faa980 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0xa7980) #68 0x7fffb8f8ba7c in __CFRunLoopDoSources0 (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x88a7c) #69 0x7fffb8f8af75 in __CFRunLoopRun (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x87f75) #70 0x7fffb8f8a973 in CFRunLoopRunSpecific (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x87973) #71 0x7fffb8516acb in RunCurrentEventLoopInMode (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30acb) #72 0x7fffb8516900 in ReceiveNextEventCommon (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30900) #73 0x7fffb8516735 in _BlockUntilNextEventMatchingListInModeWithFilter (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30735) #74 0x7fffb6abcae3 in _DPSNextEvent (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x46ae3) #75 0x7fffb723721e in -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x7c121e) #76 0x7fffb6ab1464 in -[NSApplication run] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x3b464) #77 0x7fffb6a7bd7f in NSApplicationMain (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x5d7f) #78 0x7fffce7478c6 in _xpc_objc_main (/usr/lib/system/libxpc.dylib+0x108c6) #79 0x7fffce7462e3 in xpc_main (/usr/lib/system/libxpc.dylib+0xf2e3) #80 0x10eb420a3 in main (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development+0x1000020a3) #81 0x7fffce4e3254 in start (/usr/lib/system/libdyld.dylib+0x5254) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x32d81e8) in WTFCrash ==64310==ABORTING #CRASHED - com.apple.WebKit.WebContent.Development (pid 64310)