the underlying "da" may have already been freed

if it was re-written

diff --git a/src/lib/util/dict_tokenize.c b/src/lib/util/dict_tokenize.c
index 8762fbe637e69f343658ca578af00d51ebc662c2..6e9136b83e2e95a380e54f96f591d29502bcb2a2 100644 (file)
--- a/src/lib/util/dict_tokenize.c
+++ b/src/lib/util/dict_tokenize.c
@@ -1025,7 +1025,7 @@ static int dict_read_process_common(dict_tokenize_ctx_t *dctx, fr_dict_attr_t **
         */
        if (dict_process_type_field(dctx, type_name, &da) < 0) {
        error:
-               talloc_free(to_free);
+               if (da == to_free) talloc_free(to_free);
                return -1;
        }