Re: [PATCH 2/2] sysctl: allow CLONE_NEWUSER to be disabled
From: Serge Hallyn
Date: Fri Jan 22 2016 - 19:45:25 EST
Quoting Kees Cook (keescook@xxxxxxxxxxxx):
> On Fri, Jan 22, 2016 at 2:55 PM, Robert ÅwiÄcki <robert@xxxxxxxxxxx> wrote:
> > 2016-01-22 23:50 GMT+01:00 Kees Cook <keescook@xxxxxxxxxxxx>:
> >>> Seems that Debian and some older Ubuntu versions are already using
> >>> $ sysctl -a | grep usern
> >>> kernel.unprivileged_userns_clone = 0
> >>> Shall we be consistent wit it?
> >> Oh! I didn't see that on systems I checked. On which version did you find that?
> > $ uname -a
> > Linux bc1 4.3.0-0.bpo.1-amd64 #1 SMP Debian 4.3.3-5~bpo8+1
> > (2016-01-07) x86_64 GNU/Linux
> > $ cat /etc/debian_version
> > 8.2
> Ah-ha, Debian only, though it looks like this was just committed to
> the Ubuntu kernel tree too:
> > IIRC some older kernels delivered with Ubuntu Precise were also using
> > it (but maybe I'm mistaken)
> I don't see it there.
> I think my patch is more complete, but I'm happy to change the name if
> this sysctl has already started to enter the global consciousness. ;)
> Serge, Ben, what do you think?
Oh, sorry - as for the name of it, what is the alternative you are proposing?