On Tue, Apr 29, 2014 at 5:32 PM, Theodore Ts'o <tytso@xxxxxxx> wrote: > 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.... I haven't read the code, but I tried it the other day, and I got -EPERM. So we're okay for now. (Well, other than the issue I just sent to security@xxxxxxxxxx, but that's not quite the same thing.) --Andy _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers