Re: [PATCH] proc: add "personality" to process status file

Arjan van de Ven
2008-10-04T23:43:17Z

On Sat, 4 Oct 2008 15:02:20 -0700
Kees Cook <kees.cook@canonical.com> wrote:

> On Sat, Oct 04, 2008 at 02:51:49PM -0700, Arjan van de Ven wrote:
> > On Thu, 2 Oct 2008 14:14:24 -0700
> > Kees Cook <kees.cook@canonical.com> wrote:
> >
> > > There is no sane way to query the personality flags of arbitrary
> > > process from userspace. This adds the flags to
> > > the /proc/$pid/status file. For example, to detect
> > > READ_IMPLIES_EXEC:
> > >
> >
> > .. I'm sure local exploit writers will love this to find out which
> > processes to attack.
> > Realistically, this probably shouldn't be in a world-readable file.
>
> Nothing else seemed appropriate, but I could make a brand new proc
> file, if that's sensible. "status_private" ?

how about a file called "personality" that has each set bit as an ascii
version ?
(one per line maybe)

--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org