X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet_packet.c;h=5d704815939b09590f551309505d985d461cf6a5;hb=291b8f864ea57dd68b894a3b1482ee822aad66ed;hp=ebf2938acb8bc826f2dd517d37b700f0a41718bf;hpb=22ae0c3549628739ca7c40e48ce1a276469ded92;p=tinc

diff --git a/src/net_packet.c b/src/net_packet.c
index ebf2938a..5d704815 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -167,7 +167,6 @@ static void udp_probe_h(node_t *n, vpn_packet_t *packet, length_t len) {
 	   packet used. */
 	if(!n->status.udp_confirmed) {
 		n->status.udp_confirmed = true;
-		fprintf(stderr, "Updating address cache...\n");
 
 		if(!n->address_cache) {
 			n->address_cache = open_address_cache(n);
@@ -462,7 +461,10 @@ static bool receive_udppacket(node_t *n, vpn_packet_t *inpkt) {
 
 		inpkt = outpkt;
 
-		origlen -= MTU / 64 + 20;
+		if (origlen > MTU / 64 + 20)
+			origlen -= MTU / 64 + 20;
+		else
+			origlen = 0;
 	}
 
 	if(inpkt->len > n->maxrecentlen) {