new_node: Fixed rrset initializations.

src/knot/zone/node.c

@@ -801,11 +801,13 @@ void knot_node_fill_rrset(const knot_node_t *node, uint16_t type,
 	for (uint i = 0; i < node->rrset_count; ++i) {
 		hit = node->rrs[i].type == type;
 		if (hit) {
+			struct rr_data *rr_data = &node->rrs[i];
 			rrset->owner = node->owner;
 			rrset->type = type;
 			rrset->rclass = KNOT_CLASS_IN;
-			rrset->rrs = node->rrs[i].rrs;
-			rrset->additional = node->rrs->additional;
+			rrset->rrs = rr_data->rrs;
+			rrset->additional = rr_data->additional;
+			return;
 		}
 	}
 	if (!hit) {

src/libknot/packet/pkt.c

@@ -745,6 +745,7 @@ int knot_pkt_parse_rr(knot_pkt_t *pkt, unsigned flags)
 	/* Parse wire format. */
 	size_t rr_size = pkt->parsed;
 	knot_rrset_t *rr = &pkt->rr[pkt->rrset_count];
+	knot_rrs_init(&rr->rrs);
 	ret = knot_pkt_rr_from_wire(pkt->wire, &pkt->parsed, pkt->max_size,
 	                           &pkt->mm, rr);
 	if (ret != KNOT_EOK) {