diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 9d6470c..b3053fd 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -82,6 +82,7 @@
 #define ireq_net		req.__req_common.skc_net
 #define ireq_state		req.__req_common.skc_state
 #define ireq_refcnt		req.__req_common.skc_refcnt
+#define ireq_family		req.__req_common.skc_family
 
 	kmemcheck_bitfield_begin(flags);
 	u16			snd_wscale : 4,
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index f695874..8f6f400 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -642,6 +642,7 @@
 	ireq->ir_loc_addr = ip_hdr(skb)->daddr;
 	ireq->ir_rmt_addr = ip_hdr(skb)->saddr;
 	write_pnet(&ireq->ireq_net, sock_net(sk));
+	ireq->ireq_family = AF_INET;
 
 	/*
 	 * Step 3: Process LISTEN state
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 703a21a..5166b004 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -404,6 +404,7 @@
 	ireq->ir_v6_rmt_addr = ipv6_hdr(skb)->saddr;
 	ireq->ir_v6_loc_addr = ipv6_hdr(skb)->daddr;
 	write_pnet(&ireq->ireq_net, sock_net(sk));
+	ireq->ireq_family = AF_INET6;
 
 	if (ipv6_opt_accepted(sk, skb, IP6CB(skb)) ||
 	    np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo ||
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index c55a6fa..43789c9 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -728,7 +728,7 @@
 		return -EMSGSIZE;
 
 	r = nlmsg_data(nlh);
-	r->idiag_family = sk->sk_family;
+	r->idiag_family = ireq->ireq_family;
 	r->idiag_state = TCP_SYN_RECV;
 	r->idiag_timer = 1;
 	r->idiag_retrans = req->num_retrans;
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 18e5a67..0c43273 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -347,6 +347,7 @@
 	treq->snt_synack	= tcp_opt.saw_tstamp ? tcp_opt.rcv_tsecr : 0;
 	treq->listener		= NULL;
 	write_pnet(&ireq->ireq_net, sock_net(sk));
+	ireq->ireq_family = AF_INET;
 
 	/* We throwed the options of the initial SYN away, so we hope
 	 * the ACK carries the same options again (see RFC1122 4.2.3.8)
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 70b0f70..1f514a0 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1228,6 +1228,7 @@
 	ireq->ir_rmt_addr = ip_hdr(skb)->saddr;
 	ireq->no_srccheck = inet_sk(sk)->transparent;
 	ireq->opt = tcp_v4_save_options(skb);
+	ireq->ireq_family = AF_INET;
 }
 
 static struct dst_entry *tcp_v4_route_req(struct sock *sk, struct flowi *fl,
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 66bba6a..58875ce 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -197,6 +197,7 @@
 	treq = tcp_rsk(req);
 	treq->listener = NULL;
 	write_pnet(&ireq->ireq_net, sock_net(sk));
+	ireq->ireq_family = AF_INET6;
 
 	if (security_inet_conn_request(sk, skb, req))
 		goto out_free;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 1ccfede..c5fc6a5 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -749,6 +749,7 @@
 		atomic_inc(&skb->users);
 		ireq->pktopts = skb;
 	}
+	ireq->ireq_family = AF_INET6;
 }
 
 static struct dst_entry *tcp_v6_route_req(struct sock *sk, struct flowi *fl,