[Webkit-unassigned] [Bug 49315] New: chrome.dll!WebCore::ApplyStyleCommand::surroundNodeRangeWithElement ReadAV at NULL (d21e8ab8aa42253ec7e46b595e4cf4fd)

Wed Nov 10 03:49:35 PST 2010

https://bugs.webkit.org/show_bug.cgi?id=49315

           Summary: chrome.dll!WebCore::ApplyStyleCommand::surroundNodeRan
                    geWithElement ReadAV at NULL
                    (d21e8ab8aa42253ec7e46b595e4cf4fd)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://code.google.com/p/chromium/issues/detail?id=626
                    54
        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=73482)
 --> (https://bugs.webkit.org/attachment.cgi?id=73482&action=review)
Repro for crash 1

Repro:
<html>
  <head>
    <script>
      function go() {
        document.designMode= "on";
        document.execCommand("selectall", false, "eory");
        document.execCommand("italic", false);
        document.execCommand("InsertOrderedList", false, "Tue");
        document.execCommand("inserthorizontalrule", false, "966BF0");
        document.execCommand("InsertOrderedList", false, true);
        document.execCommand("insertimage", false, NaN);
        document.execCommand("insertorderedlist", false, Infinity);
        document.execCommand("outdent", false, "chroextEEExxWWWWWWWWWWWWWRRRR444444444");
        document.execCommand("createlink", false, true);
        document.execCommand("indent", false, "ht//examWWWWWWWWWWWWWWWWWWWWWWWWWW3333333333");
        document.execCommand("InsertNewlineInQuotedContent", false);
        document.execCommand("delete", false, "-0x00003");
        document.execCommand("InsertParagraph", false);
        document.execCommand("outdent", false, "ps:xample.com");
        document.execCommand("outdent", false, "ps:xample.com");
        location.reload();
      }
    </script>
  </head>
  <body onload="go()">
    <pre style="white-space: pre-wrap;">x</pre>
  </body>
</html>

id:             chrome.dll!WebCore::ApplyStyleCommand::surroundNodeRangeWithElement ReadAV at NULL (d21e8ab8aa42253ec7e46b595e4cf4fd)
description:    Attempt to read from unallocated NULL pointer+0x1C in chrome.dll!WebCore::ApplyStyleCommand::surroundNodeRangeWithElement
application:    Chromium 9.0.571.0
stack:          chrome.dll!WebCore::ApplyStyleCommand::surroundNodeRangeWithElement
                chrome.dll!WebCore::ApplyStyleCommand::addInlineStyleIfNeeded
                chrome.dll!WebCore::ApplyStyleCommand::applyInlineStyleToNodeRange
                chrome.dll!WebCore::ApplyStyleCommand::fixRangeAndApplyInlineStyle
                chrome.dll!WebCore::ApplyStyleCommand::applyInlineStyle
                chrome.dll!WebCore::ApplyStyleCommand::doApply
                chrome.dll!WebCore::EditCommand::apply
                chrome.dll!WebCore::CompositeEditCommand::applyCommandToComposite
                chrome.dll!WebCore::CompositeEditCommand::applyStyle
                chrome.dll!WebCore::CompositeEditCommand::moveParagraphs
                chrome.dll!WebCore::InsertListCommand::unlistifyParagraph
                chrome.dll!WebCore::InsertListCommand::doApplyForSingleParagraph
                chrome.dll!WebCore::InsertListCommand::doApply
                chrome.dll!WebCore::EditCommand::apply
                chrome.dll!WebCore::CompositeEditCommand::applyCommandToComposite
                chrome.dll!WebCore::IndentOutdentCommand::outdentParagraph
                chrome.dll!WebCore::IndentOutdentCommand::outdentRegion
                chrome.dll!WebCore::ApplyBlockElementCommand::doApply
                chrome.dll!WebCore::EditCommand::apply
                chrome.dll!WebCore::applyCommand
                chrome.dll!WebCore::executeOutdent
                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
                ...

A variation of this can be triggered by changing the <body> in the repro to:
  <body onload="go()" style="white-space: pre-wrap;">
    x
  </body>
That crash is:
id:             chrome.dll!WebCore::RangeBoundaryPoint::toPosition ReadAV at NULL (cf0d0f28bc56f2591cc74f71b46036ea)
description:    Attempt to read from unallocated NULL pointer+0xC in chrome.dll!WebCore::RangeBoundaryPoint::toPosition
application:    Chromium 9.0.571.0
stack:          chrome.dll!WebCore::RangeBoundaryPoint::toPosition
                chrome.dll!WebCore::InsertListCommand::doApply
                chrome.dll!WebCore::EditCommand::apply
                chrome.dll!WebCore::applyCommand
                chrome.dll!WebCore::executeInsertOrderedList
                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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