Re: Delegate v1 cgroup controller permissions

[Lennart Poettering <lennart@xxxxxxxxxxxxxx>]

On Do, 11.07.19 09:57, Michal Koutný (mkoutny@xxxxxxxx) wrote:

> On Thu, Jun 20, 2019 at 02:19:34PM +0200, Lennart Poettering <lennart@xxxxxxxxxxxxxx> wrote:
> > Sorry, but there is not, it's not safe, as documented.
>
> The doc [1] says:
> > Think twice before delegating cgroup v1 controllers to less privileged
> > containers. It’s not safe, you basically allow your containers to
> > freeze the system with that and worse.
>
> My search-fu is not strong enough and I'm interested in the details.
> What controller settings can have such ramifications on the rest of the
> system?

the rt ones for example. Further further details, ping Tejun Heo.

Lennart

--
Lennart Poettering, Berlin
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