[Webkit-unassigned] [Bug 50218] New: chrome.dll!WebCore::canHaveChildrenForEditing ReadAV at NULL (4c335fdc0441ae912c5dd65199668a34)

Tue Nov 30 02:53:39 PST 2010

https://bugs.webkit.org/show_bug.cgi?id=50218

           Summary: chrome.dll!WebCore::canHaveChildrenForEditing
                    ReadAV at NULL (4c335fdc0441ae912c5dd65199668a34)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://code.google.com/p/chromium/issues/detail?id=647
                    49
        OS/Version: Windows Vista
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: skylined at chromium.org
                CC: eric at webkit.org


Created an attachment (id=75119)
 --> (https://bugs.webkit.org/attachment.cgi?id=75119&action=review)
Repro

Repro:
<body><script>
  with(window.getSelection()) {
    addRange(document.createRange());
    collapseToStart();
  }
  document.designMode = "on";
  document.write('<video>');
  document.execCommand("indent");
</script>

id:             chrome.dll!WebCore::canHaveChildrenForEditing ReadAV at NULL (4c335fdc0441ae912c5dd65199668a34)
description:    Attempt to read from unallocated NULL pointer+0x24 in chrome.dll!WebCore::canHaveChildrenForEditing
application:    Chromium 9.0.596.0
stack:          chrome.dll!WebCore::canHaveChildrenForEditing
                chrome.dll!WebCore::CompositeEditCommand::insertNodeAt
                chrome.dll!WebCore::ApplyBlockElementCommand::formatSelection
                chrome.dll!WebCore::ApplyBlockElementCommand::doApply
                chrome.dll!WebCore::EditCommand::apply
                chrome.dll!WebCore::applyCommand
                chrome.dll!WebCore::executeIndent
                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
                ...

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