if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
            !dso__is_kcore(dso)) {
-               char bf[BUILD_ID_SIZE * 2 + 16] = " with build id ";
+               char bf[SBUILD_ID_SIZE + 15] = " with build id ";
                char *build_id_msg = NULL;
 
                if (dso->annotate_warned)
 
                                   enum dso_binary_type type,
                                   char *root_dir, char *filename, size_t size)
 {
-       char build_id_hex[BUILD_ID_SIZE * 2 + 1];
+       char build_id_hex[SBUILD_ID_SIZE];
        int ret = 0;
        size_t len;
 
 
 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp)
 {
-       char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+       char sbuild_id[SBUILD_ID_SIZE];
 
        build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);
        return fprintf(fp, "%s", sbuild_id);
 
 
        dso = machine__findnew_dso(machine, filename);
        if (dso != NULL) {
-               char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+               char sbuild_id[SBUILD_ID_SIZE];
 
                dso__set_build_id(dso, &bev->build_id);
 
 
        nr = dso__load(map->dso, map, filter);
        if (nr < 0) {
                if (map->dso->has_build_id) {
-                       char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+                       char sbuild_id[SBUILD_ID_SIZE];
 
                        build_id__sprintf(map->dso->build_id,
                                          sizeof(map->dso->build_id),
 
                             struct machine *machine)
 {
        struct tables *tables = container_of(dbe, struct tables, dbe);
-       char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+       char sbuild_id[SBUILD_ID_SIZE];
        PyObject *t;
 
        build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);
 
 static char *dso__find_kallsyms(struct dso *dso, struct map *map)
 {
        u8 host_build_id[BUILD_ID_SIZE];
-       char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+       char sbuild_id[SBUILD_ID_SIZE];
        bool is_host = false;
        char path[PATH_MAX];