linux-kernel - Re: [PATCH 5/9] sched: prctl() core-scheduling interface

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Message-ID: <YG3lMaqnH10s6JfN@hirez.programming.kicks-ass.net>
Date:   Wed, 7 Apr 2021 19:00:33 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     joel@...lfernandes.org, chris.hyser@...cle.com, joshdon@...gle.com,
        mingo@...nel.org, vincent.guittot@...aro.org,
        valentin.schneider@....com, mgorman@...e.de
Cc:     linux-kernel@...r.kernel.org, tj@...nel.org, tglx@...utronix.de
Subject: Re: [PATCH 5/9] sched: prctl() core-scheduling interface

On Thu, Apr 01, 2021 at 03:10:17PM +0200, Peter Zijlstra wrote:

> Current hard-coded policies are:
> 
>  - a user can clear the cookie of any process they can set a cookie for.
>    Lack of a cookie *might* be a security issue if cookies are being used
>    for that.

ChromeOS people, what are you doing about this? syscall/prctl filtering?