Re: [PATCH -v2] rmap: make anon_vma_prepare link in all the anon_vmasof a mergeable VMA

[Rik van Riel]

On 04/10/2010 07:26 AM, Borislav Petkov wrote:

> This time we got stuck on the anon_vma->lock (yep, we've seen that
> oopsie before). So, it might be that we _really_ are staring at the
> wrong code... Back to square one.

This is a different bug, though.

If the null pointer dereference is gone, Linus's patch
fixed that bug and we can move forward to fixing the
anon_vma->lock bug.

I'll start auditing the code to see if we forget to
unlock the anon_vma in some unlikely error path...
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