[Webkit-unassigned] [Bug 34568] New: 2x execCommand ReadAV at NULL

Thu Feb 4 02:07:38 PST 2010

https://bugs.webkit.org/show_bug.cgi?id=34568

           Summary: 2x execCommand ReadAV at NULL
           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

Repro:

<BODY></BODY>
<SCRIPT>
  document.designMode = "on";
  document.execCommand("selectall");
  document.execCommand("InsertLineBreak");
  document.execCommand("InsertLineBreak");
  document.execCommand("forecolor", false, 1); // Optional, see note
  document.execCommand("InsertText", false, 1);
  document.execCommand("SelectAll");
  document.execCommand("createlink", false, 1);
  document.execCommand("justifycenter", false);
</SCRIPT>

The "forecolor" line is optional: there are two different crashes that can 
happen, one with it and one without (latest non-debug build of Chromium):

WebCore::Node::shadowAncestorNode ReadAV at NULL 
(3b90161564d80c611251f74d8780bd91)
WebCore::CSSStyleDeclaration::diff ReadAV at NULL 
(2b02a76b8ac89beb9292332299f74c09)

Both repro's trigger ASSERTs in debug builds. Details and repros are attached
to the chromium bug:
http://code.google.com/p/chromium/issues/detail?id=34575

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