On Tue, Apr 29, 2014 at 5:32 PM, Theodore Ts'o <ty...@mit.edu> 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 secur...@kernel.org, but that's not quite the same thing.) --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/