On Thu, Nov 3, 2016 at 11:55 AM, Jann Horn <jann@xxxxxxxxx> wrote: > On Thu, Nov 03, 2016 at 10:12:55AM -0600, Kees Cook wrote: >> On Thu, Nov 3, 2016 at 9:30 AM, Lafcadio Wluiki <wluikil@xxxxxxxxx> wrote: >> > (Third, rebased submission, since first two submissions yielded no replies.) >> > >> > This adds a new per-task hidepid= flag that is honored by procfs when >> > presenting /proc to the user, in addition to the existing hidepid= mount >> > option. So far, hidepid= was exclusively a per-pidns setting. Locking >> > down a set of processes so that they cannot see other user's processes >> > without affecting the rest of the system thus currently requires >> > creation of a private PID namespace, with all the complexity it brings, >> > including maintaining a stub init process as PID 1 and losing the >> > ability to see processes of the same user on the rest of the system. > [...] >> Since this adds a new prctl interface, it's best to Cc linux-arch >> (which I added now). > > Please also CC linux-api for the next iteration, since this is a new > userspace-facing API. Oops, thank you. I meant linux-api, not linux-arch. :P -Kees -- Kees Cook Nexus Security -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
