Eric W. Biederman wrote: > Cedric Le Goater <clg@xxxxxxxxxx> writes: >> right. I think we can address Ulrich concerns first because we have >> a solution for it (which looks like unsharing all namespaces at once, >> here comes back the container object story :) > > It doesn't work because we can't create a fresh mount namespace. > > We need to create all new mounts (and deny access to the old ones) > if we want to prevent all possibility of user space goof ups. > > While that is easy enough to build an application to do we can't > easily enforce that in the kernel. Currently this is all > CAP_SYS_ADMIN so only root can do this anyway. So we can easily > say don't do that then. > > Clone flag consistency checking should only be used to enforce > cases where the kernel side cannot support correctly. Currently > the kernel has no problems with the current mix and match possibilities > short of implementation deficiencies. So I do not see us > addressing Ulrich's concerns with clone flags. ACK :) Since this all is CAP_SYS_ADMIN-ed we can do with just a warning. > Eric > _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers