[webkit-reviews] review requested: [Bug 42894] RenderLayer crashes on page with MathML : [Attachment 62423] Patch to fix crash

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jul 23 06:46:29 PDT 2010


Alex Milowski <alex at milowski.com> has asked  for review:
Bug 42894: RenderLayer crashes on page with MathML
https://bugs.webkit.org/show_bug.cgi?id=42894

Attachment 62423: Patch to fix crash
https://bugs.webkit.org/attachment.cgi?id=62423&action=review

------- Additional Comments from Alex Milowski <alex at milowski.com>
The code in RenderLayer makes some assumptions about the rendering tree that
turn out to not be true.  As such, it does get a render object back in certain
methods and causes an exception and crash due to a zero pointer.

An example page that has this issue is:

   http://golem.ph.utexas.edu/wiki/instiki/show/Sandbox

The attached patch fixes the crash.


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