Re: fs: use after free in /proc/pid/mountinfo

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On Tue, 15 Jul 2014, Sasha Levin wrote:

> I've been running mainline for a while, and while I can reproduce a different
> bug for Hugh, I can't reproduce this one at all. Not sure how to call it now,
> maybe memory corruption from somewhere else (I did find an unrelated memory
> corruption couple days ago)?
> 

I have a very large /proc/pid/mountinfo on one of my busy systems with VM 
and slub debugging enabled and have not been able to reproduce the issue 
while reading it in a loop for 24 hours.  I would call the patch good on 
that basis, but it's very strange you'd report this problem a day after 
the patch was merged and could not reproduce it once it was reverted.  
(Unless the patch was misapplied locally and reapplying it now worked, but 
I doubt you originally merged -mm patches into a local tree yourself.)
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