linux-kernel - Re: [PATCH] Trace event for capable().

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Message-ID: <CAFLxGvzZ_YJS25wK=YHCELwJOZZuhdeoB6S5Yw_TMVEXzTofOg@mail.gmail.com>
Date:	Sat, 19 May 2012 00:33:03 +0200
From:	richard -rw- weinberger <richard.weinberger@...il.com>
To:	Auke Kok <auke-jan.h.kok@...el.com>
Cc:	Serge Hallyn <serge.hallyn@...onical.com>,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, Eric Paris <eparis@...hat.com>
Subject: Re: [PATCH] Trace event for capable().

On Thu, May 17, 2012 at 9:50 PM, Auke Kok <auke-jan.h.kok@...el.com> wrote:
> Add a simple trace event for capable().
>
> There's been a lot of discussion around capable(), and there
> are plenty of tools to help reduce capabilities' usage from
> userspace. A major gap however is that it's almost impossible
> to see or verify which bits are requested from either userspace
> or in the kernel.
>
> This patch adds a minimal tracer that will print out which
> CAPs are requested and whether the request was granted.

Can we please have support for user namespaces?
At least idicate whether the current namespace is init_user_ns or not.

-- 
Thanks,
//richard
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