ancestors must be structural

diff --git a/src/lib/util/pair.c b/src/lib/util/pair.c
index 455e2ed92d9c06180c2874723ecc89a26a894977..f47a5e209e644c3647e62fcac9982cf66b0d8661 100644 (file)
--- a/src/lib/util/pair.c
+++ b/src/lib/util/pair.c
@@ -2242,6 +2242,8 @@ int fr_pair_list_copy_by_ancestor(TALLOC_CTX *ctx, fr_pair_list_t *to,
        fr_pair_t       *tlv;
        bool            found = false;
 
+       if (!fr_type_is_structural(parent_da->type)) return -1;
+
        /*
         *      Allow for nested attributes.
         */