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Date: Wed, 5 Feb 2014 01:10:29 +0000
From: Al Viro <viro@ZenIV.linux.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>, LKML <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
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        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Igor Zhbanov <i.zhbanov@samsung.com>,
        Christoph Hellwig <hch@infradead.org>
Subject: Re: [RFC][PATCH] exec: Fix use after free of tracepoint
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On Tue, Feb 04, 2014 at 04:57:31PM -0800, Linus Torvalds wrote:
> On Tue, Feb 4, 2014 at 3:42 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
> >
> > New version that moves all the ugliness into a static inline helper
> > function.
> 
> Ok, that's better, but I really think we should just use "getname()"
> and "putname()".

Umm...  Interactions with aushit might be interesting.  It hooks into
getname() and putname(); I'm not up to doing analysis right now (13 hours
of nearly non-stop {R,Grep}TFS today already and I'm ears-deep in
looking through locking implications of Miklos' stuff at the moment ;-/),
but it's worth looking into; there may be dragons.