mac_socket_label_alloc
struct label *mac_socket_label_alloc(int flag);
so->so_label = mac_socket_label_alloc(flag);
intlabel = mac_socket_label_alloc(M_WAITOK);
intlabel = mac_socket_label_alloc(M_WAITOK);
intlabel = mac_socket_label_alloc(M_WAITOK);
intlabel = mac_socket_label_alloc(M_WAITOK);
intlabel = mac_socket_label_alloc(M_WAITOK);