Bug 155791 – ASSERTION FAILED: y2 >= y1 in WebCore::RenderElement::drawLineForBoxSide

• Status: RESOLVED
• Resolution: FIXED
• Component: Layout and Rendering

[Renata Hodovan]

Created attachment 274747 [details]
Test case

Load the attached test with minibrowser:

<style>
* {
    vertical-align:super;
    outline-style:double;
}
</style>
<mark>
    <datalist>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
        <iframe></iframe>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
        <textarea></textarea>
    </datalist>
</mark>


OS: Mac OS X 10.11.1 (x86_64), x86_64
Checked build: ASAN debug
Checked version: 71f2ef4


Backtrace:

ASSERTION FAILED: y2 >= y1
/Users/reni/work/WebKit/Source/WebCore/rendering/RenderElement.cpp(2025) : void WebCore::RenderElement::drawLineForBoxSide(WebCore::GraphicsContext &, const WebCore::FloatRect &, WebCore::BoxSide, WebCore::Color, WebCore::EBorderStyle, float, float, bool) const
1   0x1175eeed4 WTFCrash
2   0x11fe2fb0c WebCore::RenderElement::drawLineForBoxSide(WebCore::GraphicsContext&, WebCore::FloatRect const&, WebCore::BoxSide, WebCore::Color, WebCore::EBorderStyle, float, float, bool) const
3   0x11fe2cf4b WebCore::RenderElement::drawLineForBoxSide(WebCore::GraphicsContext&, WebCore::FloatRect const&, WebCore::BoxSide, WebCore::Color, WebCore::EBorderStyle, float, float, bool) const
4   0x11ff7f347 WebCore::RenderInline::paintOutlineForLine(WebCore::GraphicsContext&, WebCore::LayoutPoint const&, WebCore::LayoutRect const&, WebCore::LayoutRect const&, WebCore::LayoutRect const&, WebCore::Color)
5   0x11ff7c3f8 WebCore::RenderInline::paintOutline(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
6   0x1200f3a7d WebCore::RenderLineBoxList::paint(WebCore::RenderBoxModelObject*, WebCore::PaintInfo&, WebCore::LayoutPoint const&) const
7   0x11fc6f5fc WebCore::RenderBlockFlow::paintInlineChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
8   0x11fb86288 WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
9   0x11fb88944 WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
10  0x11fb85c5a WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
11  0x11fb87201 WebCore::RenderBlock::paintChild(WebCore::RenderBox&, WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool, WebCore::RenderBlock::PaintBlockType)
12  0x11fb86611 WebCore::RenderBlock::paintChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool)
13  0x11fb86509 WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
14  0x11fb88944 WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
15  0x11fb85c5a WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&)
16  0x11fff2fec WebCore::RenderLayer::paintForegroundForFragmentsWithPhase(WebCore::PaintPhase, WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::RenderObject*)
17  0x11ffe9471 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)
18  0x11ffdbb86 WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int)
19  0x11ffda316 WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int)
20  0x11ffd66e4 WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int)
21  0x11ffe8d06 WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int)
22  0x11ffdbc9a WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int)
23  0x12007640b WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, unsigned int, unsigned int)
24  0x120077617 WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, unsigned int, WebCore::FloatRect const&)
25  0x11d0b3d82 WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::FloatRect const&)
26  0x11d0dc4ae WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&)
27  0x11d0dc5cf non-virtual thunk to WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&)
28  0x11fa486a0 WebCore::PlatformCALayer::drawLayerContents(CGContext*, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow, 16ul>&)
29  0x12153487a WebCore::TileGrid::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&)
30  0x121a5ab48 -[WebSimpleLayer drawInContext:]
31  0x7fff938982dd CABackingStoreUpdate_
ASAN:SIGSEGV
=================================================================
==60472==ERROR: AddressSanitizer: SEGV on unknown address 0x0000bbadbeef (pc 0x0001175eef0c bp 0x7fff51715870 sp 0x7fff51715860 T0)
    #0 0x1175eef0b in WTFCrash (/Users/reni/work/WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2b5df0b)
    #1 0x11fe2fb0b in WebCore::RenderElement::drawLineForBoxSide(WebCore::GraphicsContext&, WebCore::FloatRect const&, WebCore::BoxSide, WebCore::Color, WebCore::EBorderStyle, float, float, bool) const (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4b0cb0b)
    #2 0x11fe2cf4a in WebCore::RenderElement::drawLineForBoxSide(WebCore::GraphicsContext&, WebCore::FloatRect const&, WebCore::BoxSide, WebCore::Color, WebCore::EBorderStyle, float, float, bool) const (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4b09f4a)
    #3 0x11ff7f346 in WebCore::RenderInline::paintOutlineForLine(WebCore::GraphicsContext&, WebCore::LayoutPoint const&, WebCore::LayoutRect const&, WebCore::LayoutRect const&, WebCore::LayoutRect const&, WebCore::Color) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4c5c346)
    #4 0x11ff7c3f7 in WebCore::RenderInline::paintOutline(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4c593f7)
    #5 0x1200f3a7c in WebCore::RenderLineBoxList::paint(WebCore::RenderBoxModelObject*, WebCore::PaintInfo&, WebCore::LayoutPoint const&) const (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4dd0a7c)
    #6 0x11fc6f5fb in WebCore::RenderBlockFlow::paintInlineChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x494c5fb)
    #7 0x11fb86287 in WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4863287)
    #8 0x11fb88943 in WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4865943)
    #9 0x11fb85c59 in WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4862c59)
    #10 0x11fb87200 in WebCore::RenderBlock::paintChild(WebCore::RenderBox&, WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool, WebCore::RenderBlock::PaintBlockType) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4864200)
    #11 0x11fb86610 in WebCore::RenderBlock::paintChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4863610)
    #12 0x11fb86508 in WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4863508)
    #13 0x11fb88943 in WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4865943)
    #14 0x11fb85c59 in WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4862c59)
    #15 0x11fff2feb 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*) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4ccffeb)
    #16 0x11ffe9470 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) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4cc6470)
    #17 0x11ffdbb85 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4cb8b85)
    #18 0x11ffda315 in WebCore::RenderLayer::paintLayerContentsAndReflection(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4cb7315)
    #19 0x11ffd66e3 in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4cb36e3)
    #20 0x11ffe8d05 in WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4cc5d05)
    #21 0x11ffdbc99 in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4cb8c99)
    #22 0x12007640a in WebCore::RenderLayerBacking::paintIntoLayer(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, WebCore::IntRect const&, unsigned int, unsigned int) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d5340a)
    #23 0x120077616 in WebCore::RenderLayerBacking::paintContents(WebCore::GraphicsLayer const*, WebCore::GraphicsContext&, unsigned int, WebCore::FloatRect const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x4d54616)
    #24 0x11d0b3d81 in WebCore::GraphicsLayer::paintGraphicsLayerContents(WebCore::GraphicsContext&, WebCore::FloatRect const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1d90d81)
    #25 0x11d0dc4ad in WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1db94ad)
    #26 0x11d0dc5ce in non-virtual thunk to WebCore::GraphicsLayerCA::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1db95ce)
    #27 0x11fa4869f in WebCore::PlatformCALayer::drawLayerContents(CGContext*, WebCore::PlatformCALayer*, WTF::Vector<WebCore::FloatRect, 5ul, WTF::CrashOnOverflow, 16ul>&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x472569f)
    #28 0x121534879 in WebCore::TileGrid::platformCALayerPaintContents(WebCore::PlatformCALayer*, WebCore::GraphicsContext&, WebCore::FloatRect const&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6211879)
    #29 0x121a5ab47 in -[WebSimpleLayer drawInContext:] (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6737b47)
    #30 0x7fff938982dc in CABackingStoreUpdate_ (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x212dc)
    #31 0x7fff93897530 in invocation function for block in CA::Layer::display_() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x20530)
    #32 0x7fff93896f1c in CA::Layer::display_() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x1ff1c)
    #33 0x121a5a695 in -[WebSimpleLayer display] (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x6737695)
    #34 0x7fff93888d04 in CA::Layer::display_if_needed(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x11d04)
    #35 0x7fff9388882c in CA::Layer::layout_and_display_if_needed(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x1182c)
    #36 0x7fff93887d00 in CA::Context::commit_transaction(CA::Transaction*) (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x10d00)
    #37 0x7fff9388794b in CA::Transaction::commit() (/System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore+0x1094b)
    #38 0x10f3a35d6 in WebKit::TiledCoreAnimationDrawingArea::forceRepaint() (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0xeba5d6)
    #39 0x10f8a68a2 in WebKit::WebPage::forceRepaintWithoutCallback() (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x13bd8a2)
    #40 0x1102dbb8c in WKBundlePageForceRepaint (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1df2b8c)
    #41 0x13667acd9 in WTR::InjectedBundlePage::dump() (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x74cd9)
    #42 0x136679bb1 in WTR::InjectedBundlePage::frameDidChangeLocation(OpaqueWKBundleFrame const*, bool) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x73bb1)
    #43 0x136676836 in WTR::InjectedBundlePage::didFinishLoadForFrame(OpaqueWKBundleFrame const*) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x70836)
    #44 0x1366747d7 in WTR::InjectedBundlePage::didFinishLoadForFrame(OpaqueWKBundlePage const*, OpaqueWKBundleFrame const*, void const**, void const*) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKitTestRunnerInjectedBundle.bundle/Contents/MacOS/WebKitTestRunnerInjectedBundle+0x6e7d7)
    #45 0x10e98cdb0 in WebKit::InjectedBundlePageLoaderClient::didFinishLoadForFrame(WebKit::WebPage*, WebKit::WebFrame*, WTF::RefPtr<API::Object>&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x4a3db0)
    #46 0x10f680731 in WebKit::WebFrameLoaderClient::dispatchDidFinishLoad() (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1197731)
    #47 0x11ce64fb9 in WebCore::FrameLoader::checkLoadCompleteForThisFrame() (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1b41fb9)
    #48 0x11ce52c02 in WebCore::FrameLoader::checkLoadComplete() (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x1b2fc02)
    #49 0x11c56474c in WebCore::DocumentLoader::finishedLoading(double) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x124174c)
    #50 0x11c5641ea in WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource*) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x12411ea)
    #51 0x11b93bc76 in WebCore::CachedResource::checkNotify() (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x618c76)
    #52 0x11b93be63 in WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x618e63)
    #53 0x11b9321dc in WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x60f1dc)
    #54 0x120ff9100 in WebCore::SubresourceLoader::didFinishLoading(double) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore+0x5cd6100)
    #55 0x11000194c in WebKit::WebResourceLoader::didFinishResourceLoad(double) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1b1894c)
    #56 0x110015ce2 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::index_sequence<0ul>) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1b2cce2)
    #57 0x110015961 in void IPC::callMemberFunction<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double), std::__1::tuple<double>, std::make_index_sequence<1ul> >(std::__1::tuple<double>&&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double)) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1b2c961)
    #58 0x110011d1e in void IPC::handleMessage<Messages::WebResourceLoader::DidFinishResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(double)>(IPC::MessageDecoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(double)) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1b28d1e)
    #59 0x11000ed9d in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::MessageDecoder&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1b25d9d)
    #60 0x10ed852e2 in WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x89c2e2)
    #61 0x10e6bd1e0 in IPC::Connection::dispatchMessage(IPC::MessageDecoder&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d41e0)
    #62 0x10e6a4741 in IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1bb741)
    #63 0x10e6bdfd0 in IPC::Connection::dispatchOneMessage() (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x1d4fd0)
    #64 0x10e6ed71c in IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_10::operator()() const (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x20471c)
    #65 0x10e6ed6ec in void std::__1::__invoke_void_return_wrapper<void>::__call<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_10&>(IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_10&&&) (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x2046ec)
    #66 0x10e6ed50b in std::__1::__function::__func<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_10, std::__1::allocator<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_10>, void ()>::operator()() (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit+0x20450b)
    #67 0x11642553a in std::__1::function<void ()>::operator()() const (/Users/reni/work/WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x199453a)
    #68 0x1176cb4dd in WTF::RunLoop::performWork() (/Users/reni/work/WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2c3a4dd)
    #69 0x1176cc449 in WTF::RunLoop::performWork(void*) (/Users/reni/work/WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore+0x2c3b449)
    #70 0x7fff888498b0 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0xaa8b0)
    #71 0x7fff888290ab in __CFRunLoopDoSources0 (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x8a0ab)
    #72 0x7fff888285ce in __CFRunLoopRun (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x895ce)
    #73 0x7fff88827fc7 in CFRunLoopRunSpecific (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation+0x88fc7)
    #74 0x7fff86540d54 in RunCurrentEventLoopInMode (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30d54)
    #75 0x7fff86540b8e in ReceiveNextEventCommon (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x30b8e)
    #76 0x7fff865409ce in _BlockUntilNextEventMatchingListInModeWithFilter (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox+0x309ce)
    #77 0x7fff97bc6d95 in _DPSNextEvent (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x49d95)
    #78 0x7fff97bc61c4 in -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x491c4)
    #79 0x7fff97bbad27 in -[NSApplication run] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x3dd27)
    #80 0x7fff97b83fbd in NSApplicationMain (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit+0x6fbd)
    #81 0x7fff9408b4f1 in _xpc_objc_main (/usr/lib/system/libxpc.dylib+0x114f1)
    #82 0x7fff94089f1d in xpc_main (/usr/lib/system/libxpc.dylib+0xff1d)
    #83 0x10e4d71cb in main (/Users/reni/work/WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.Development.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development+0x1000021cb)
    #84 0x7fff908b05ac in start (/usr/lib/system/libdyld.dylib+0x35ac)
    #85 0x0  (<unknown module>)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV ??:0 WTFCrash
==60472==ABORTING
#CRASHED - com.apple.WebKit.WebContent.Development (pid 60472)
LEAK: 1 WebProcessPool
LEAK: 1 WebPageProxy

[zalan]

Created attachment 274771 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 274771 [details]
Patch

Clearing flags on attachment: 274771

Committed r198597: <http://trac.webkit.org/changeset/198597>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.