linux-kernel - Re: [PATCH] exec: do not leave bprm->interp on stack

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Message-ID: <alpine.LFD.2.02.1211061332470.18031@wniryva.cad.erqung.pbz>
Date:	Tue, 6 Nov 2012 13:40:38 +0530 (IST)
From:	P J P <ppandit@...hat.com>
To:	Kees Cook <keescook@...omium.org>
cc:	Al Viro <viro@...iv.linux.org.uk>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Josh Triplett <josh@...htriplett.org>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	linux-fsdevel@...r.kernel.org, halfdog <me@...fdog.net>
Subject: Re: [PATCH] exec: do not leave bprm->interp on stack


  Hello Kees, Al,

+-- On Sat, 27 Oct 2012, Kees Cook wrote --+
| If we change binfmt_script to not make a recursive call, then we still
| need to keep the interp change somewhere off the stack. I still think
| my patchset is the least bad.
|
| Al, do you have something else in mind?

  Guys, are there any updates further?

  Al, what's your take on the *rare* extra call to request_module?

Thank you.
--
Prasad J Pandit / Red Hat Security Response Team
DB7A 84C5 D3F9 7CD1 B5EB  C939 D048 7860 3655 602B
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