From 3e329a537d271a6fef875609512e39c88a37dab6 Mon Sep 17 00:00:00 2001
From: Pierre Pronchery <khorben@defora.org>
Date: Wed, 18 Jul 2018 22:37:54 +0200
Subject: [PATCH] Correct the packet length calculation with IPv6

---
 server/process_packet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/process_packet.c b/server/process_packet.c
index 0b1cf03d..962766d3 100644
--- a/server/process_packet.c
+++ b/server/process_packet.c
@@ -308,7 +308,7 @@ process_packet_ipv6(fko_srv_options_t * opts, const unsigned char * packet,
      * frame (such as a 4-byte Ethernet Frame Check Sequence) to not
      * interfere with SPA operations.
     */
-    pkt_end = ((unsigned char*)iph_p)+ntohs(iph_p->ip6_plen);
+    pkt_end = ((unsigned char*)(iph_p + 1))+ntohs(iph_p->ip6_plen);
     if(pkt_end > fr_end)
         return;