linux-kernel - Re: [RFC -resend] Make Yama pid

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Message-ID: <CAGXu5jKHFaA6YawiospVcZWk5aVjGE+5p9TosrtQHgRYLbXuLw@mail.gmail.com>
Date:	Mon, 28 Nov 2011 12:15:36 -0800
From:	Kees Cook <keescook@...omium.org>
To:	Vasiliy Kulikov <segoon@...nwall.com>
Cc:	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	kernel-hardening@...ts.openwall.com,
	"Serge E. Hallyn" <serge@...lyn.com>
Subject: Re: [RFC -resend] Make Yama pid_ns aware

On Mon, Nov 28, 2011 at 11:35 AM, Kees Cook <keescook@...omium.org> wrote:
> On Mon, Nov 28, 2011 at 11:16 AM, Vasiliy Kulikov <segoon@...nwall.com> wrote:
>> As Yama's sysctls are about defining a security policy for the system,
>> it is reasonable to define it per container in case of LXC containers
>> (or out-of-tree alternatives like OpenVZ).  In my opinion they belong
>> to pid namespace.  With per-pid_ns sysctls it is possible to create
>> multiple containers with different ptrace, /tmp, etc. policies.
>> [...]
>> Signed-off-by: Vasiliy Kulikov <segoon@...nwall.com>
>
> Thanks! I'll include this in the next Yama patch set.
>
> Acked-by: Kees Cook <keescook@...omium.org>

I should mention, this lives here now:
http://git.kernel.org/?p=linux/kernel/git/kees/linux.git;a=shortlog;h=refs/heads/yama

-Kees

-- 
Kees Cook
ChromeOS Security
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