[Webkit-unassigned] [Bug 60903] New: chrome.dll!WebCore::positionInParentBeforeNode ReadAV at NULL (2bff1e44471dc03603b0d1576c1b0601)

Mon May 16 10:17:00 PDT 2011

https://bugs.webkit.org/show_bug.cgi?id=60903

           Summary: chrome.dll!WebCore::positionInParentBeforeNode
                    ReadAV at NULL (2bff1e44471dc03603b0d1576c1b0601)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows Vista
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: skylined at chromium.org
                CC: rniwa at webkit.org

Created an attachment (id=93662)
 --> (https://bugs.webkit.org/attachment.cgi?id=93662&action=review)
Repro

Chromium: https://code.google.com/p/chromium/issues/detail?id=82793

Repro:
<script>
  function f() {
    document.designMode="on";
    document.execCommand("selectall");
    document.execCommand("insertimage",false);
    document.execCommand("insertunorderedlist",false);
    document.execCommand("insertparagraph",false);
    document.execCommand("InsertUnorderedList",false);
    document.execCommand("justifyleft");
    document.execCommand("insertorderedlist",false);
    document.execCommand("outdent");
    document.execCommand("Undo");
    document.execCommand("justifyfull");
    document.execCommand("insertorderedlist");
    document.execCommand("ForwardDelete",false);
    document.execCommand("InsertLineBreak",false);
    document.execCommand("InsertImage",false);
    document.execCommand("InsertImage",false);
    location.reload();
  }
</script>
<body onload="f()"><pre style="word-wrap: break-word; white-space: pre-wrap;">;</pre></body>

Maybe a long lost cousin of bug 32823 ?

id:             chrome.dll!WebCore::positionInParentBeforeNode ReadAV at NULL (2bff1e44471dc03603b0d1576c1b0601)
description:    Attempt to read from unallocated NULL pointer+0x24 in chrome.dll!WebCore::positionInParentBeforeNode
application:    Chromium 13.0.764.0
stack:          chrome.dll!WebCore::positionInParentBeforeNode
                chrome.dll!WebCore::ReplaceSelectionCommand::positionAtStartOfInsertedContent
                chrome.dll!WebCore::ReplaceSelectionCommand::doApply
                chrome.dll!WebCore::EditCommand::apply
                chrome.dll!WebCore::applyCommand
                chrome.dll!WebCore::executeInsertFragment
                chrome.dll!WebCore::executeInsertNode
                chrome.dll!WebCore::executeInsertImage
                chrome.dll!WebCore::Editor::Command::execute
                chrome.dll!WebCore::Document::execCommand
                chrome.dll!WebCore::DocumentInternal::execCommandCallback
                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::dispatchTimedEvent
                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,ResourceDispatcher,void
                chrome.dll!ResourceDispatcher::DispatchMessageW
                chrome.dll!ResourceDispatcher::OnMessageReceived
                chrome.dll!ChildThread::OnMessageReceived
                chrome.dll!RunnableMethod<sync_notifier::NonBlockingInvalidationNotifier::Core,void
                chrome.dll!`anonymous namespace'::TaskClosureAdapter::Run
                ...

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