From: Guus Sliepen <guus@tinc-vpn.org>
Date: Tue, 17 Aug 2021 21:33:33 +0000 (+0200)
Subject: Fix memcmp() reading out of bounds in the tinc info command.
X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=commitdiff_plain;h=c55480eff9eded93c66505a764be7967c3a1dbe6

Fix memcmp() reading out of bounds in the tinc info command.
---

diff --git a/src/info.c b/src/info.c
index 1649be06..c324df94 100644
--- a/src/info.c
+++ b/src/info.c
@@ -297,7 +297,7 @@ static int info_subnet(int fd, const char *item) {
 					continue;
 				}
 
-				if(memcmp(&find.net.ipv4.address, &subnet.net.ipv4.address, sizeof(subnet.net.ipv4))) {
+				if(memcmp(&find.net.ipv4.address, &subnet.net.ipv4.address, sizeof(subnet.net.ipv4.address))) {
 					continue;
 				}
 			}
@@ -311,14 +311,14 @@ static int info_subnet(int fd, const char *item) {
 					continue;
 				}
 
-				if(memcmp(&find.net.ipv6.address, &subnet.net.ipv6.address, sizeof(subnet.net.ipv6))) {
+				if(memcmp(&find.net.ipv6.address, &subnet.net.ipv6.address, sizeof(subnet.net.ipv6.address))) {
 					continue;
 				}
 			}
 		}
 
 		if(find.type == SUBNET_MAC) {
-			if(memcmp(&find.net.mac.address, &subnet.net.mac.address, sizeof(subnet.net.mac))) {
+			if(memcmp(&find.net.mac.address, &subnet.net.mac.address, sizeof(subnet.net.mac.address))) {
 				continue;
 			}
 		}