From: Alan T. DeKok <aland@freeradius.org>
Date: Thu, 14 Oct 2021 13:23:57 +0000 (-0400)
Subject: initialize only as much as necessary
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33846070bf029f080daae4b1556bce3bf6e3d6de;p=thirdparty%2Ffreeradius-server.git

initialize only as much as necessary
---

diff --git a/src/protocols/dns/base.c b/src/protocols/dns/base.c
index 6e99ffa9a96..eccb7c602e0 100644
--- a/src/protocols/dns/base.c
+++ b/src/protocols/dns/base.c
@@ -166,7 +166,10 @@ fr_dns_labels_t *fr_dns_labels_get(uint8_t const *packet, size_t packet_len, boo
 	lb->blocks[0].start = DNS_HDR_LEN;
 	lb->blocks[0].end = DNS_HDR_LEN;
 
-	if (init_mark) memset(lb->mark, 0, sizeof(fr_dns_marker));
+	if (init_mark) {
+		fr_assert(packet_len <= 65535);
+		memset(lb->mark, 0, packet_len);
+	}
 
 	return lb;
 }