clear stack-memory

diff --git a/src/vpn/gnunet-daemon-vpn.c b/src/vpn/gnunet-daemon-vpn.c
index 3e32ab149404c8679fe5f211b841c9d9e44b1a14..f07538548ad1eca9bd552f5fc64a28578c1dd64b 100644 (file)
--- a/src/vpn/gnunet-daemon-vpn.c
+++ b/src/vpn/gnunet-daemon-vpn.c
@@ -619,6 +619,7 @@ receive_tcp_back (void *cls, struct GNUNET_MESH_Tunnel* tunnel,
   size_t size = pktlen + sizeof(struct ip6_tcp) - 1;
 
   struct ip6_tcp* pkt6 = alloca(size);
+  memset(pkt6, 0, size);
 
   GNUNET_assert(pkt6 != NULL);