On Fri, Apr 24, 2015 at 12:09 PM, Serge Hallyn <serge.hal...@ubuntu.com> wrote: > Quoting Andy Lutomirski (l...@amacapital.net): >> On Fri, Apr 24, 2015 at 10:53 AM, Serge Hallyn <serge.hal...@ubuntu.com> >> wrote: >> > Quoting Christoph Lameter (c...@linux.com): >> >> On Thu, 9 Apr 2015, Christoph Lameter wrote: >> >> >> >> > > I'll submit a new version this week with the securebits. Sorry for >> >> > > the delay. >> >> > Are we going to get a new version? >> >> >> >> Replying to my own here. Cant we simply use the SETPCAP approach as per >> >> the patch I posted? >> > >> > Andy had objections to that, but it seems ok to me. >> > >> >> I object because CAP_SETPCAP is very powerful whereas >> CAP_NET_BIND_SERVICE, for example, isn't. I'm fine with having a >> switch to turn off ambient caps, but requiring the "on" state to give > > Would only really be needed for the initial 'enable ambient caps for this > process tree', though. Once that was set, add/remove'ing caps from the > ambient set wouldn't need to be required.
That's sort of what my patch does -- you need CAP_SETPCAP to switch the securebit. But Christoph's patch required it to add caps to the ambient set, right? --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
