[Webkit-unassigned] [Bug 82994] New: compositing/reflections/backface-hidden-reflection.html is crashing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82994

           Summary: compositing/reflections/backface-hidden-reflection.htm
                    l is crashing
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dpranke at chromium.org
                CC: jamesr at chromium.org, nduca at chromium.org


See http://test-results.appspot.com/dashboards/flakiness_dashboard.html#showExpectations=true&tests=compositing%2Freflections%2Fbackface-hidden-reflection.html&builder=Webkit%20Linux

Seems to be crashing consistently on the 32-bit linux canary, intermittently elsewhere. One sample stack:

crash log for DumpRenderTree (pid 4346):
STDOUT: <empty>
STDERR:     base::debug::StackTrace::StackTrace() [0x82b266c]
STDERR:     base::(anonymous namespace)::StackDumpSignalHandler() [0x829929d]
STDERR:     0xb779b400
STDERR:     WebCore::GraphicsLayerChromium::~GraphicsLayerChromium() [0x87dcd5e]
STDERR:     WebCore::RenderLayerBacking::destroyGraphicsLayers() [0x8d2883f]
STDERR:     WebCore::RenderLayerBacking::~RenderLayerBacking() [0x8d2904c]
STDERR:     WebCore::RenderLayer::clearBacking() [0x8d1f1bb]
STDERR:     WebCore::RenderLayerCompositor::updateBacking() [0x8d2fa64]
STDERR:     WebCore::RenderLayerCompositor::updateLayerCompositingState() [0x8d2fba1]
STDERR:     WebCore::RenderLayerCompositor::computeCompositingRequirements() [0x8d3133e]
STDERR:     WebCore::RenderLayerCompositor::computeCompositingRequirements() [0x8d3116c]
STDERR:     WebCore::RenderLayerCompositor::computeCompositingRequirements() [0x8d3116c]
STDERR:     WebCore::RenderLayerCompositor::computeCompositingRequirements() [0x8d311f7]
STDERR:     WebCore::RenderLayerCompositor::updateCompositingLayers() [0x8d31e7d]
STDERR:     WebCore::FrameView::updateCompositingLayers() [0x8b05650]
STDERR:     WebCore::FrameView::layout() [0x8b091d8]
STDERR:     WebCore::Timer<>::fired() [0x8b015cb]
STDERR:     WebCore::ThreadTimers::sharedTimerFiredInternal() [0x879a9a3]
STDERR:     WebCore::ThreadTimers::sharedTimerFired() [0x879aa5f]
STDERR:     webkit_glue::WebKitPlatformSupportImpl::DoTimeout() [0x915ff62]
STDERR:     base::internal::Invoker<>::Run() [0x915fffe]
STDERR:     base::Timer::RunScheduledTask() [0x92e0cb9]
STDERR:     base::internal::Invoker<>::Run() [0x92e073e]
STDERR:     MessageLoop::RunTask() [0x828b330]
STDERR:     MessageLoop::DeferOrRunPendingTask() [0x828b9d1]
STDERR:     MessageLoop::DoWork() [0x828bd31]
STDERR:     base::MessagePumpGlib::RunWithDispatcher() [0x82a9a0e]
STDERR:     base::MessagePumpGlib::Run() [0x82a960e]
STDERR:     MessageLoop::RunInternal() [0x8287bcf]
STDERR:     MessageLoop::Run() [0x8287ceb]
STDERR:     webkit_support::RunMessageLoop() [0x81b9f97]
STDERR:     TestShell::waitTestFinished() [0x808dbb9]
STDERR:     TestShell::runFileTest() [0x808c102]
STDERR:     runTest() [0x806754e]
STDERR:     main [0x8067be3]
STDERR:     0xb6a98bd6
STDERR:     0x805bbc1

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