From: wenxuan70 <t736660416@gmail.com>
Date: Sun, 24 Nov 2024 09:53:23 +0000 (+0800)
Subject: Fix the dname_str method to cause conversion errors when the domain name length is 255
X-Git-Tag: release-1.23.0rc1~88^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F1189%2Fhead;p=thirdparty%2Funbound.git

Fix the dname_str method to cause conversion errors when the domain name length is 255
---

diff --git a/util/data/dname.c b/util/data/dname.c
index 76b2ec7d6..cb78f5d63 100644
--- a/util/data/dname.c
+++ b/util/data/dname.c
@@ -654,7 +654,7 @@ void dname_str(uint8_t* dname, char* str)
 			return;
 		}
 		len += lablen+1;
-		if(len >= LDNS_MAX_DOMAINLEN-1) {
+		if(len >= LDNS_MAX_DOMAINLEN) {
 			*s++ = '&';
 			*s = 0;
 			return;