linux-kernel - Re: [PATCH] seccomp: dump core when using SECCOMP_RET

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Message-ID: <alpine.LRH.2.20.1701232123460.26208@namei.org>
Date:   Mon, 23 Jan 2017 21:23:55 +1100 (AEDT)
From:   James Morris <jmorris@...ei.org>
To:     Mike Frysinger <vapier@...omium.org>
cc:     Kees Cook <keescook@...omium.org>,
        Mike Frysinger <vapier@...too.org>,
        James Morris <james.l.morris@...cle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>
Subject: Re: [PATCH] seccomp: dump core when using SECCOMP_RET_KILL

On Mon, 23 Jan 2017, Mike Frysinger wrote:

> On Sun, Jan 22, 2017 at 4:10 PM, James Morris wrote:
> > 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@...omium.org>
> > >
> > > James, can you add this to your tree?
> >
> > Mike, please resend the patch, I don't have it.
> 
> looks like patchwork grabbed it:
>   https://patchwork.kernel.org/patch/9527359/
> 
> has a mbox link which should get you what you need ?

Thanks.

Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git next


-- 
James Morris
<jmorris@...ei.org>