From 7c971d7ef458d47908940396149bf56e6335fb04 Mon Sep 17 00:00:00 2001
From: Chris Branch <cbranch@cloudflare.com>
Date: Thu, 20 Sep 2018 13:28:53 +0100
Subject: Fix transport message length check

wireguard-go has a bad length check in its transport message handling.
Although it cannot be exploited because of another length check earlier in the
function, this should be fixed regardless.
---
 receive.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'receive.go')

diff --git a/receive.go b/receive.go
index 01151ca..abe4e57 100644
--- a/receive.go
+++ b/receive.go
@@ -147,7 +147,7 @@ func (device *Device) RoutineReceiveIncoming(IP int, bind Bind) {
 
 			// check size
 
-			if len(packet) < MessageTransportType {
+			if len(packet) < MessageTransportSize {
 				continue
 			}
 
-- 
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