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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>,
	Oleg Nesterov <oleg@redhat.com>, David Smith <dsmith@redhat.com>,
	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 trace_sched_process_exec
Date: Wed, 5 Feb 2014 01:10:29 +0000	[thread overview]
Message-ID: <20140205011028.GM10323@ZenIV.linux.org.uk> (raw)
In-Reply-To: <CA+55aFyTC1UGvRgH5vASh-C3M+GqHPMNGsUq3Q1MuynzkiSaEA@mail.gmail.com>

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.

  reply	other threads:[~2014-02-05  1:10 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-04 17:05 [RFC][PATCH] exec: Fix use after free of tracepoint trace_sched_process_exec Steven Rostedt
2014-02-04 19:00 ` Oleg Nesterov
2014-02-04 20:10   ` Steven Rostedt
2014-02-04 20:18 ` Linus Torvalds
2014-02-04 20:31   ` Steven Rostedt
2014-02-04 23:28   ` Steven Rostedt
2014-02-04 23:42     ` Steven Rostedt
2014-02-05  0:57       ` Linus Torvalds
2014-02-05  1:10         ` Al Viro [this message]
2014-02-05  3:37           ` Linus Torvalds
2014-02-05 13:52             ` Oleg Nesterov
2014-02-05 16:52               ` Linus Torvalds
2014-02-05  2:31         ` Steven Rostedt
2014-02-05  2:51           ` Steven Rostedt

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