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Date: Mon, 28 Nov 2011 12:15:36 -0800
From: Kees Cook <>
To: Vasiliy Kulikov <>
Cc:,,, "Serge E. Hallyn" <>
Subject: Re: [RFC -resend] Make Yama pid_ns aware

On Mon, Nov 28, 2011 at 11:35 AM, Kees Cook <> wrote:
> On Mon, Nov 28, 2011 at 11:16 AM, Vasiliy Kulikov <> 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 <>
> Thanks! I'll include this in the next Yama patch set.
> Acked-by: Kees Cook <>

I should mention, this lives here now:;a=shortlog;h=refs/heads/yama


Kees Cook
ChromeOS Security

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