[Webkit-unassigned] [Bug 178510] fast/images/animated-gif-paint-after-animation.html flaky crash

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Oct 20 01:51:27 PDT 2017 

https://bugs.webkit.org/show_bug.cgi?id=178510

Fujii Hironori <Hironori.Fujii at sony.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[WinCairo]                  |fast/images/animated-gif-pa
                   |fast/images/animated-gif-pa |int-after-animation.html
                   |int-after-animation.html    |flaky crash
                   |crash                       |

--- Comment #1 from Fujii Hironori <Hironori.Fujii at sony.com> ---
Following GTK ports's BuildBots show the same flaky-crashes.

GTK Linux 64-bit Release (Tests)
GTK Linux 64-bit Release Wayland (Tests)

https://build.webkit.org/results/GTK%20Linux%2064-bit%20Release%20(Tests)/r223736%20(3755)/results.html

> Thread 1 (Thread 0x7fdda31d5a80 (LWP 18161)):
> #0  0x00007fddb208f320 in WebCore::SharedBuffer::data() const () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #1  0x00007fddb28f5d49 in GIFImageReader::parse(unsigned long, unsigned long, bool) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #2  0x00007fddb28f6813 in GIFImageReader::decode(WebCore::GIFImageDecoder::GIFQuery, unsigned int) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #3  0x00007fddb28f40ce in WebCore::GIFImageDecoder::decode(unsigned int, WebCore::GIFImageDecoder::GIFQuery, bool) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #4  0x00007fddb28f45ef in WebCore::GIFImageDecoder::frameCount() const () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #5  0x00007fddb28f4615 in WebCore::GIFImageDecoder::frameBufferAtIndex(unsigned long) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #6  0x00007fddb28eee71 in WebCore::ScalableImageDecoder::createFrameImageAtIndex(unsigned long, WebCore::SubsamplingLevel, WebCore::DecodingOptions const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #7  0x00007fddb2106fe0 in WebCore::ImageFrameCache::frameAtIndexCacheIfNeeded(unsigned long, WebCore::ImageFrame::Caching, std::optional<WebCore::SubsamplingLevel> const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #8  0x00007fddb21075ff in WebCore::ImageFrameCache::frameImageAtIndexCacheIfNeeded(unsigned long, WebCore::SubsamplingLevel) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #9  0x00007fddb2108c93 in WebCore::ImageSource::frameImageAtIndexCacheIfNeeded(unsigned long, WebCore::SubsamplingLevel, WebCore::GraphicsContext const*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #10 0x00007fddb20c9086 in WebCore::BitmapImage::frameImageAtIndexCacheIfNeeded(unsigned long, WebCore::SubsamplingLevel, WebCore::GraphicsContext const*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #11 0x00007fddb20c9e90 in WebCore::BitmapImage::draw(WebCore::GraphicsContext&, WebCore::FloatRect const&, WebCore::FloatRect const&, WebCore::CompositeOperator, WebCore::BlendMode, WebCore::DecodingMode, WebCore::ImageOrientationDescription) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #12 0x00007fddb20f5d30 in WebCore::GraphicsContext::drawImage(WebCore::Image&, WebCore::FloatRect const&, WebCore::FloatRect const&, WebCore::ImagePaintingOptions const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #13 0x00007fddb20f5f51 in WebCore::GraphicsContext::drawImage(WebCore::Image&, WebCore::FloatRect const&, WebCore::ImagePaintingOptions const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #14 0x00007fddb225ccfc in WebCore::RenderImage::paintIntoRect(WebCore::PaintInfo&, WebCore::FloatRect const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #15 0x00007fddb225d30e in WebCore::RenderImage::paintReplaced(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #16 0x00007fddb22d30cc in WebCore::RenderReplaced::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #17 0x00007fddb22608f2 in WebCore::RenderImage::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #18 0x00007fddb2227684 in WebCore::RenderElement::paintAsInlineBlock(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #19 0x00007fddb2833dd2 in WebCore::InlineElementBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #20 0x00007fddb21a47ca in WebCore::InlineFlowBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #21 0x00007fddb233915c in WebCore::RootInlineBox::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::LayoutUnit, WebCore::LayoutUnit) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #22 0x00007fddb22a8b2f in WebCore::RenderLineBoxList::paint(WebCore::RenderBoxModelObject*, WebCore::PaintInfo&, WebCore::LayoutPoint const&) const () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #23 0x00007fddb21b40c1 in WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #24 0x00007fddb21c1433 in WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #25 0x00007fddb21b11ab in WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #26 0x00007fddb21b4347 in WebCore::RenderBlock::paintChild(WebCore::RenderBox&, WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool, WebCore::RenderBlock::PaintBlockType) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #27 0x00007fddb21b4566 in WebCore::RenderBlock::paintChildren(WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #28 0x00007fddb21b40af in WebCore::RenderBlock::paintContents(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #29 0x00007fddb21c1433 in WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #30 0x00007fddb21b11ab in WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #31 0x00007fddb22770a9 in WebCore::RenderLayer::paintForegroundForFragmentsWithPhase(WebCore::PaintPhase, WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::RenderObject*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #32 0x00007fddb227cfaa in WebCore::RenderLayer::paintForegroundForFragments(WTF::Vector<WebCore::LayerFragment, 1ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&, WebCore::GraphicsContext&, WebCore::GraphicsContext&, WebCore::LayoutRect const&, bool, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int, WebCore::RenderObject*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #33 0x00007fddb228991c in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #34 0x00007fddb228a800 in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #35 0x00007fddb228ab15 in WebCore::RenderLayer::paintList(WTF::Vector<WebCore::RenderLayer*, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>*, WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #36 0x00007fddb228954d in WebCore::RenderLayer::paintLayerContents(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #37 0x00007fddb228a800 in WebCore::RenderLayer::paintLayer(WebCore::GraphicsContext&, WebCore::RenderLayer::LayerPaintingInfo const&, unsigned int) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #38 0x00007fddb228a95d in WebCore::RenderLayer::paint(WebCore::GraphicsContext&, WebCore::LayoutRect const&, WebCore::LayoutSize const&, unsigned int, WebCore::RenderObject*, unsigned int, WebCore::RenderLayer::SecurityOriginPaintPolicy) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #39 0x00007fddb1fe0386 in WebCore::FrameView::paintContents(WebCore::GraphicsContext&, WebCore::IntRect const&, WebCore::Widget::SecurityOriginPaintPolicy) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #40 0x00007fddb208a02a in WebCore::ScrollView::paint(WebCore::GraphicsContext&, WebCore::IntRect const&, WebCore::Widget::SecurityOriginPaintPolicy) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #41 0x00007fddb186552d in WebKit::WebPage::drawRect(WebCore::GraphicsContext&, WebCore::IntRect const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #42 0x00007fddb19f3a39 in WebKit::DrawingAreaImpl::display(WebKit::UpdateInfo&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #43 0x00007fddb19f592f in WebKit::DrawingAreaImpl::display() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #44 0x00007fddb19f5be8 in WebKit::DrawingAreaImpl::forceRepaint() [clone .part.57] () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #45 0x00007fdd58cbf259 in WTR::JSTestRunner::display(OpaqueJSContext const*, OpaqueJSValue*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**) () from /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/Release/lib/libTestRunnerInjectedBundle.so
> #46 0x00007fddaea02bfb in long JSC::APICallbackFunction::call<JSC::JSCallbackFunction>(JSC::ExecState*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #47 0x00007fddaf016f4c in JSC::LLInt::handleHostCall(JSC::ExecState*, JSC::Instruction*, JSC::JSValue, JSC::CodeSpecializationKind) [clone .isra.130] () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #48 0x00007fddaf01ff72 in llint_slow_path_call () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #49 0x00007fddaf01552f in llint_entry () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #50 0x00007fddaf00e440 in vmEntryToJavaScript () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #51 0x00007fddaefb67a6 in JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #52 0x00007fddaef860ae in JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #53 0x00007fddaf153e04 in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #54 0x00007fddaf153e27 in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #55 0x00007fddaf154049 in JSC::profiledCall(JSC::ExecState*, JSC::ProfilingReason, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #56 0x00007fddb256cd8c in WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext&, WebCore::Event&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #57 0x00007fddb1c41c41 in WebCore::EventTarget::fireEventListeners(WebCore::Event&, WTF::Vector<WTF::RefPtr<WebCore::RegisteredEventListener>, 1ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #58 0x00007fddb1c41fb1 in WebCore::EventTarget::fireEventListeners(WebCore::Event&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #59 0x00007fddb2705dd5 in WebCore::EventContext::handleLocalEvents(WebCore::Event&) const () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #60 0x00007fddb1c3e41e in WebCore::EventDispatcher::dispatchEvent(WebCore::Node&, WebCore::Event&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #61 0x00007fddb1d7e928 in WebCore::HTMLImageLoader::dispatchLoadEvent() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #62 0x00007fddb1ef46ae in WebCore::ImageLoader::dispatchPendingLoadEvent() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #63 0x00007fddb1ef47f8 in WebCore::ImageLoader::dispatchPendingEvent(WebCore::EventSender<WebCore::ImageLoader>*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #64 0x00007fddb1ef4ba7 in WebCore::ImageLoader::dispatchPendingLoadEvents() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #65 0x00007fddb1c01c01 in WebCore::Document::implicitClose() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #66 0x00007fddb1ee94f6 in WebCore::FrameLoader::checkCompleted() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #67 0x00007fddb1f7d13c in WebCore::CachedResourceLoader::loadDone(bool) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #68 0x00007fddb1f3361f in WebCore::SubresourceLoader::notifyDone() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #69 0x00007fddb1f3538f in WebCore::SubresourceLoader::didFinishLoading(WebCore::NetworkLoadMetrics const&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #70 0x00007fddb1a5cf55 in void IPC::handleMessage<Messages::WebResourceLoader::DidFinishResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)>(IPC::Decoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #71 0x00007fddb1a5cb7f in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #72 0x00007fddb1611c6b in IPC::Connection::dispatchMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #73 0x00007fddb1612b9c in IPC::Connection::dispatchOneMessage() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #74 0x00007fddaf49856c in WTF::RunLoop::performWork() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #75 0x00007fddaf4ce3d9 in WTF::RunLoop::RunLoop()::{lambda(void*)#1}::_FUN(void*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #76 0x00007fddac93a5ca in g_main_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3212
> #77 g_main_context_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3865
> #78 0x00007fddac93a948 in g_main_context_iterate () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3938
> #79 0x00007fddac93ac62 in g_main_loop_run () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:4134
> #80 0x00007fddaf4ced80 in WTF::RunLoop::run() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
> #81 0x00007fddb19fb202 in int WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain>(int, char**) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.2
> #82 0x00007fdda82f02b1 in __libc_start_main (main=0x7fddb4070d40 <main>, argc=2, argv=0x7ffe545bac18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe545bac08) at ../csu/libc-start.c:291
> #83 0x00007fddb4070dca in _start ()

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