[Webkit-unassigned] [Bug 48829] New: chrome.dll!WebCore::SVGListPropertyTearOff<...>::getItem ReadAV at NULL (578c0f7f21ca517ba29a4eafb7099c1b)

Tue Nov 2 04:56:53 PDT 2010

https://bugs.webkit.org/show_bug.cgi?id=48829

           Summary: chrome.dll!WebCore::SVGListPropertyTearOff<...>::getIt
                    em ReadAV at NULL (578c0f7f21ca517ba29a4eafb7099c1b)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://code.google.com/p/chromium/issues/detail?id=615
                    72
        OS/Version: Windows Vista
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: skylined at chromium.org
                CC: eric at webkit.org, zimmermann at kde.org,
                    mdelaney at apple.com


Repro:
<html><head><script>
  function go() {
    var oSvgTextElement = document.createElementNS("http://www.w3.org/2000/svg", "text");
    var oSvgRectElement = document.createElementNS("http://www.w3.org/2000/svg","rect");
    oSvgTextElement.y.animVal.g;
    oSvgTextElement.y.baseVal.initialize(oSvgRectElement.x.baseVal);
    oSvgTextElement.y.animVal.getItem(0);
  }
</script></head><body onload="go();"></body></html>

id:             chrome.dll!WebCore::SVGListPropertyTearOff<...>::getItem ReadAV at NULL (578c0f7f21ca517ba29a4eafb7099c1b)
description:    Attempt to read from unallocated NULL pointer in chrome.dll!WebCore::SVGListPropertyTearOff<...>::getItem
application:    Chromium 9.0.571.0
stack:          chrome.dll!WebCore::SVGListPropertyTearOff<...>::getItem
                chrome.dll!WebCore::SVGLengthListInternal::getItemCallback
                chrome.dll!v8::internal::HandleApiCallHelper<...>
                chrome.dll!v8::internal::Builtin_HandleApiCall
                chrome.dll!v8::internal::Invoke
                chrome.dll!v8::internal::Execution::Call
                chrome.dll!v8::Function::Call
                chrome.dll!WebCore::V8Proxy::callFunction
                chrome.dll!WebCore::V8LazyEventListener::callListenerFunction
                chrome.dll!WebCore::V8AbstractEventListener::invokeEventHandler
                chrome.dll!WebCore::V8AbstractEventListener::handleEvent
                chrome.dll!WebCore::EventTarget::fireEventListeners
                chrome.dll!WebCore::EventTarget::fireEventListeners
                chrome.dll!WebCore::DOMWindow::dispatchEvent
                chrome.dll!WebCore::DOMWindow::dispatchLoadEvent
                chrome.dll!WebCore::Document::implicitClose
                chrome.dll!WebCore::FrameLoader::checkCompleted
                chrome.dll!WebCore::FrameLoader::finishedParsing
                chrome.dll!WebCore::Document::finishedParsing
                chrome.dll!WebCore::HTMLDocumentParser::prepareToStopParsing
                chrome.dll!WebCore::DocumentWriter::endIfNotLoadingMainResource
                chrome.dll!WebCore::FrameLoader::finishedLoading
                chrome.dll!WebCore::MainResourceLoader::didFinishLoading
                chrome.dll!WebCore::ResourceLoader::didFinishLoading
                chrome.dll!WebCore::ResourceHandleInternal::didFinishLoading
                chrome.dll!webkit_glue::WebURLLoaderImpl::Context::OnCompletedRequest
                chrome.dll!ResourceDispatcher::OnRequestComplete
                chrome.dll!IPC::MessageWithTuple<...>::Dispatch<ResourceDispatcher,void 
                chrome.dll!ResourceDispatcher::DispatchMessageW
                chrome.dll!ResourceDispatcher::OnMessageReceived
                chrome.dll!ChildThread::OnMessageReceived
                chrome.dll!RunnableMethod<...>,void 
                chrome.dll!MessageLoop::RunTask
                chrome.dll!MessageLoop::DoWork
                chrome.dll!base::MessagePumpDefault::Run
                chrome.dll!MessageLoop::RunInternal
                chrome.dll!MessageLoop::Run
                chrome.dll!RendererMain
                chrome.dll!ChromeMain
                chrome.exe!MainDllLoader::Launch
                ...

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