On Mon, Aug 19, 2013 at 11:43 AM, Oleg Nesterov <[email protected]> wrote: > On 08/19, Andy Lutomirski wrote: >> >> On Mon, Aug 19, 2013 at 11:33 AM, Oleg Nesterov <[email protected]> wrote: >> > >> > So do you think this change is fine or not (ignoring the fact it needs >> > cleanups) ? >> >> I think that removing the CLONE_VM check is fine (although there are >> some other ones that should probably be removed as well), but I'm not >> sure if that check needs replacing with something else. > > OK, thanks... but I still can't understand. > > The patch I sent is equivalent to the new one below. I just tried to > unify it with another check in do_fork().
I was confused. Currently (with or without your patch), vfork() followed by unshare(CLONE_NEWUSER) or unshare(CLONE_NEWPID) will unshare the VM. This may be surprising, but at least it will work. --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
