[Webkit-unassigned] [Bug 32424] New: WebCore::ReplaceSelectionCommand::doApply ReadAV at NULL (15d09a1a5a07b619154c5a2a36579bfd)

Fri Dec 11 04:43:35 PST 2009

https://bugs.webkit.org/show_bug.cgi?id=32424

           Summary: WebCore::ReplaceSelectionCommand::doApply ReadAV at NULL
                    (15d09a1a5a07b619154c5a2a36579bfd)
           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: eric at webkit.org


Created an attachment (id=44671)
 --> (https://bugs.webkit.org/attachment.cgi?id=44671)
Repro

Id:          WebCore::ReplaceSelectionCommand::doApply ReadAV at NULL
(15d09a1a5a07b619154c5a2a36579bfd)
Description: Attempt to read from NULL pointer (+0x25) in
WebCore::ReplaceSelectionCommand::doApply
Stack:
  WebCore::ReplaceSelectionCommand::doApply
  WebCore::EditCommand::apply
  WebCore::applyCommand
  WebCore::executeInsertFragment
  WebCore::executeInsertHTML
  WebCore::Editor::Command::execute
  WebCore::Document::execCommand
  WebCore::DocumentInternal::execCommandCallback
  v8::internal::Builtin_HandleApiCall
  v8::internal::Invoke
  v8::internal::Execution::Call
  v8::Script::Run
  WebCore::V8Proxy::runScript
  WebCore::V8Proxy::evaluate
  WebCore::ScriptController::evaluate
  WebCore::ScriptController::executeScript
  WebCore::ScriptController::executeScript
  WebCore::ScriptController::executeIfJavaScriptURL
  WebCore::FrameLoader::changeLocation
  WebCore::RedirectScheduler::timerFired
  WebCore::Timer<...>::fired
  WebCore::ThreadTimers::sharedTimerFiredInternal
  MessageLoop::RunTask
  MessageLoop::DoWork
  base::MessagePumpDefault::Run
  MessageLoop::RunInternal
  MessageLoop::Run
  RendererMain
  ChromeMain

Repro:
<BODY onload=go()></BODY>
<SCRIPT>
  function go() {
    document.execCommand("selectall",false,6);
    document.designMode="on";
    document.execCommand("Cut",false,2);
    document.execCommand("inserthorizontalrule","");
    document.execCommand("Delete",false, "");
    document.designMode="";
    document.execCommand("Undo","");
    document.designMode="on";
    document.execCommand("InsertHTML",false,"");
  }
</SCRIPT>

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