Indeed currently if pivot root is allowed it can be used to subvert apparmor policy. This is a known issue to apparmor upstream. There are plans to fix this in apparmor upstream. At the moment there is nothing snappy can do except maybe move from pivot_root to chroot which is currently better handled by apparmor.
Indeed currently if pivot root is allowed it can be used to subvert apparmor policy. This is a known issue to apparmor upstream. There are plans to fix this in apparmor upstream. At the moment there is nothing snappy can do except maybe move from pivot_root to chroot which is currently better handled by apparmor.