From e84615629f52f551c7482036e4a333498fc5f089 Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Tue, 9 Jan 2024 12:09:03 +1100
Subject: [PATCH] Properly update 'maxtype'

'maxtype' should be checked to see if it should be updated whenever
a type is added to the type map.
---
 lib/dns/zoneverify.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/dns/zoneverify.c b/lib/dns/zoneverify.c
index 684ab9984c..ce60441a44 100644
--- a/lib/dns/zoneverify.c
+++ b/lib/dns/zoneverify.c
@@ -960,6 +960,9 @@ verifynode(vctx_t *vctx, const dns_name_t *name, dns_dbnode_t *node,
 		{
 			if (rdataset.type == dns_rdatatype_ns) {
 				dns_nsec_setbit(types, rdataset.type, 1);
+				if (rdataset.type > maxtype) {
+					maxtype = rdataset.type;
+				}
 			}
 			result = check_no_rrsig(vctx, &rdataset, name, node);
 			if (result != ISC_R_SUCCESS) {
@@ -969,6 +972,9 @@ verifynode(vctx_t *vctx, const dns_name_t *name, dns_dbnode_t *node,
 			}
 		} else {
 			dns_nsec_setbit(types, rdataset.type, 1);
+			if (rdataset.type > maxtype) {
+				maxtype = rdataset.type;
+			}
 		}
 		dns_rdataset_disassociate(&rdataset);
 		result = dns_rdatasetiter_next(rdsiter);