[Devel] Re: [PATCH 04/10] cr: split core function out of some set*{u, g}id functions

[Serge E. Hallyn]

Quoting James Morris (jmorris at namei.org):
> On Tue, 9 Jun 2009, Serge E. Hallyn wrote:
> 
> > When restarting tasks, we want to be able to change xuid and
> > xgid in a struct cred, and do so with security checks.  Break
> > the core functionality of set{fs,res}{u,g}id into cred_setX
> > which performs the access checks based on current_cred(),
> > but performs the requested change on a passed-in cred.
> > 
> 
> Please cc the lsm list when making changes to security.

Argh, they were cc:d on my last version, and I was sure I'd
put them in the list of headers for this set.

FWIW, the thread can be seen here
https://lists.linux-foundation.org/pipermail/containers/2009-June/018509.html

thanks,
-serge
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