Re: [PATCH v4 2/2] procfs/tasks: add a simple per-task procfs hidepid= field

On Wed, Jan 18, 2017 at 3:35 PM, Andy Lutomirski [off-list ref] wrote:

On Wed, Jan 18, 2017 at 2:50 PM, Djalal Harouni [off-list ref] wrote:

quoted

Andy I don't follow here, no_new_privs is never cleared right ? I
can't see the corresponding clear bit code for it.

I believe that unsharing userns clears no_new_privs.

Seriously? That's kind of ... weird. I mean, I guess you're
priv-confined in a way, but that seems fragile.

-Kees

-- 
Kees Cook
Pixel Security