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From: James Morris <jmorris@namei.org>
To: Kees Cook <keescook@chromium.org>
Cc: Mike Frysinger <vapier@gentoo.org>,
	James Morris <james.l.morris@oracle.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Will Drewry <wad@chromium.org>,
	Mike Frysinger <vapier@chromium.org>
Subject: Re: [PATCH] seccomp: dump core when using SECCOMP_RET_KILL
Date: Mon, 23 Jan 2017 09:10:25 +1100 (AEDT)	[thread overview]
Message-ID: <alpine.LRH.2.20.1701230909540.27432@namei.org> (raw)
In-Reply-To: <CAGXu5jK3Vp9eXZngaK+HosF8Vs_iQEgdSxFXz0w7F4if1qdNFg@mail.gmail.com>

On Fri, 20 Jan 2017, Kees Cook wrote:

> Yup, I think this is fine. The additional kernel code executed before
> the do_exit() is relatively limited, and is equivalent to leaving
> kill(self, SIGSEGV) exposed in a seccomp filter. Setting an RLIMIT is
> also sufficient to block the core generation, so really paranoid
> environments can still do that.
> 
> The forwarded ack stands:
> 
> Acked-by: Kees Cook <keescook@chromium.org>
> 
> James, can you add this to your tree?

Mike, please resend the patch, I don't have it.


-- 
James Morris
<jmorris@namei.org>

  reply	other threads:[~2017-01-22 22:10 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-20  4:28 Mike Frysinger
2017-01-20 20:37 ` Kees Cook
2017-01-22 22:10   ` James Morris [this message]
2017-01-23  7:37     ` Mike Frysinger
2017-01-23 10:23       ` James Morris
2017-01-25  0:53 ` Andrei Vagin
2017-01-25  1:42   ` Mike Frysinger
2017-01-25 20:05   ` Kees Cook
2017-01-27 21:48     ` Kees Cook
2017-01-28 14:35       ` Paul Moore
2017-01-31 21:47       ` Andrei Vagin
2017-01-31 21:59       ` Andy Lutomirski
2017-02-01  0:18         ` Kees Cook

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