On Fri, Dec 04, 2015 at 11:27:38AM -0600, Serge E. Hallyn wrote: > On Wed, Dec 02, 2015 at 09:40:09AM -0600, Seth Forshee wrote: > > Add checks to inode_change_ok to verify that uid and gid changes > > will map into the superblock's user namespace. If they do not > > fail with -EOVERFLOW. This cannot be overriden with ATTR_FORCE. > > > > Signed-off-by: Seth Forshee <seth.forshee@xxxxxxxxxxxxx> > > Acked-by: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx> > > ... although i could see root on the host being upset that it can't > assign a uid not valid in the mounter's ns. But it does seem safer. That change wouldn't be representable in the backing store though, and that could lead to unexpected behaviour. It's better to tell root that we can't make the requested change, in my opinion. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
