linux-kernel - Re: [PATCH 05/10] cgroup/cpuset: Don't allow creation of local partition over a remote one

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: <c5akoqcuatispflklzykfwjn65zk7y22pq6q6ejseo35dw5nh2@yvm7pbhh5bi4>
Date: Thu, 3 Apr 2025 15:33:44 +0200
From: Michal Koutný <mkoutny@...e.com>
To: Waiman Long <longman@...hat.com>
Cc: Tejun Heo <tj@...nel.org>, Johannes Weiner <hannes@...xchg.org>, 
	Shuah Khan <shuah@...nel.org>, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH 05/10] cgroup/cpuset: Don't allow creation of local
 partition over a remote one

On Sun, Mar 30, 2025 at 05:52:43PM -0400, Waiman Long <longman@...hat.com> wrote:
> Currently, we don't allow the creation of a remote partition underneath
> another local or remote partition. However, it is currently possible to
> create a new local partition with an existing remote partition underneath
> it if top_cpuset is the parent. However, the current cpuset code does
> not set the effective exclusive CPUs correctly to account for those
> that are taken by the remote partition.

That sounds like
Fixes: 181c8e091aae1 ("cgroup/cpuset: Introduce remote partition")

(but it's merge, so next time :-)

Michal

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)