linux-kernel - Re: [PATCH] seccomp: add ptrace commands for suspend/resume

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Message-ID: <20150603144531.GD3160@smitten>
Date:	Wed, 3 Jun 2015 08:45:31 -0600
From:	Tycho Andersen <tycho.andersen@...onical.com>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Pavel Emelyanov <xemul@...allels.com>,
	Oleg Nesterov <oleg@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux API <linux-api@...r.kernel.org>,
	Kees Cook <keescook@...omium.org>,
	Will Drewry <wad@...omium.org>,
	Roland McGrath <roland@...k.frob.com>,
	"Serge E. Hallyn" <serge.hallyn@...ntu.com>
Subject: Re: [PATCH] seccomp: add ptrace commands for suspend/resume

On Tue, Jun 02, 2015 at 12:27:42PM -0700, Andy Lutomirski wrote:
>
> It might be worth changing the check to verify that the task trying to
> suspect seccomp isn't itself subject to seccomp.  That should get most
> of the safety.

Sounds good, I'll make the change.

Tycho
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