From ee232f9c14bd879235e6586484083ff91addd052 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 10 Mar 2017 17:56:17 +0100
Subject: [PATCH] fix integer overflow test to actually work

---
 src/transport/plugin_transport_udp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/transport/plugin_transport_udp.c b/src/transport/plugin_transport_udp.c
index 76132523b..eb48341b7 100644
--- a/src/transport/plugin_transport_udp.c
+++ b/src/transport/plugin_transport_udp.c
@@ -1623,7 +1623,7 @@ enqueue (struct Plugin *plugin,
     GNUNET_break (0);
     return;
   }
-  if (plugin->bytes_in_buffer + udpw->msg_size > INT64_MAX)
+  if (plugin->bytes_in_buffer > INT64_MAX - udpw->msg_size)
   {
     GNUNET_break (0);
   }
-- 
2.25.1