linux-kernel - Re: cgroups(7): documenting /sys/kernel/cgroup files

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20180110173340.GG3668920@devbig577.frc2.facebook.com>
Date:   Wed, 10 Jan 2018 09:33:40 -0800
From:   Tejun Heo <tj@...nel.org>
To:     "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Cc:     Roman Gushchin <guro@...com>, "Serge E. Hallyn" <serge@...lyn.com>,
        linux-man <linux-man@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        "open list:CONTROL GROUP (CGROUP)" <cgroups@...r.kernel.org>
Subject: Re: cgroups(7): documenting /sys/kernel/cgroup files

Hello, Michael.

On Wed, Jan 10, 2018 at 06:31:20PM +0100, Michael Kerrisk (man-pages) wrote:
> So, I am confused. According to Documentation/cgroup-v2.txt,
> cgoup.threads is delegated:
> 
> [[
> Model of Delegation
> ~~~~~~~~~~~~~~~~~~~
> 
> A cgroup can be delegated in two ways.  First, to a less privileged
> user by granting write access of the directory and its "cgroup.procs",
> "cgroup.threads" and "cgroup.subtree_control" files to the user.
> Second, if the "nsdelegate" mount option is set, automatically to a
> cgroup namespace on namespace creation.
> ]]
> 
> So, is that a mistake in that text file?

Yes, it is.  I probably copy&pasted from an earlier version where we
were marking threaded domains instead of threaded roots.  Will fix it
right away.

Thanks.

-- 
tejun