[webkit-dev] Possible crash in FrameView::endDeferredRepaints()

Darin Adler darin at apple.com
Wed Dec 17 15:08:21 PST 2008

On Dec 17, 2008, at 1:35 PM, Kenneth Christiansen wrote:

> The problem here is that repaintContentRectangle auments (d- 
> >m_repaintRects.append(r)) the items in m_repaintRects or clears it  
> (d->m_repaintRects.clear()), thus the size of m_repaintRects[]  
> changes while iterating it, which can result in a crash.

Well no, that append will only happen if m_deferringRepaints is non- 
zero, and the loop in endDeferredRepaints only runs if  if  
m_deferringRepaints is zero.

Maybe your test case shows some bug in that logic?

     -- Darin

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