Messages in this thread | | | Subject | Re: [PATCH v2] cgroup: allow management of subtrees by new cgroup namespaces | From | Aleksa Sarai <> | Date | Mon, 2 May 2016 19:32:24 +1000 |
| |
> + * 3. cgroup core doesn't allow tasks to be migrated by users that have > + * write access to two subtrees unless they also have write access to > + * the common ancestor of the two subtrees. Thus you cannot use a > + * complicit process in less restrictive cgroup to overcome your own > + * cgroup restriction.
It appears this restriction isn't actually being applied on cgroupv1. I'll send an updated patch which makes sure the cgroup.proc common ancestor restriction is enforced for all hierarchies.
-- Aleksa Sarai Software Engineer (Containers) SUSE Linux GmbH https://www.cyphar.com/
| |