Quoting Theodore Ts'o ([email protected]): > On Wed, Apr 30, 2014 at 12:16:41AM +0000, Serge Hallyn wrote: > > I forget the details, but there was another case where I wanted to > > have the userns which 'owns' the whole fs available. I guess we'd > > have to check against that instead of using inode_capable. > > Yes, that sounds right. > > And *please* tell me that that under no circumstances can anyone other > than root@init_user_ns is allowed to use mknod....
That's the case. We've considered making exceptions for things like /dev/null, but in practice bind-mounting devices from the host has worked out just fine. -- 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/
