tcp: fix ipv4 mapped request socks
ss should display ipv4 mapped request sockets like this :
tcp SYN-RECV 0 0 ::ffff:192.168.0.1:8080 ::ffff:192.0.2.1:35261
and not like this :
tcp SYN-RECV 0 0 192.168.0.1:8080 192.0.2.1:35261
We should init ireq->ireq_family based on listener sk_family,
not the actual protocol carried by SYN packet.
This means we can set ireq_family in inet_reqsk_alloc()
Fixes: 3f66b083a5b7 ("inet: introduce ireq_family")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 805dc44..df849e5 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -347,7 +347,6 @@
req->ts_recent = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
treq->snt_synack = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsecr : 0;
treq->tfo_listener = false;
- ireq->ireq_family = AF_INET;
ireq->ir_iif = sk->sk_bound_dev_if;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 95caea7..023196f7e 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5980,7 +5980,7 @@
atomic64_set(&ireq->ir_cookie, 0);
ireq->ireq_state = TCP_NEW_SYN_RECV;
write_pnet(&ireq->ireq_net, sock_net(sk_listener));
-
+ ireq->ireq_family = sk_listener->sk_family;
}
return req;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index fc8995a..e073517 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1206,7 +1206,6 @@
sk_daddr_set(req_to_sk(req), ip_hdr(skb)->saddr);
ireq->no_srccheck = inet_sk(sk_listener)->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 2819137..21bc2eb 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -197,7 +197,6 @@
ireq = inet_rsk(req);
treq = tcp_rsk(req);
treq->tfo_listener = false;
- 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 a9568caf..cbdf691 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -688,7 +688,6 @@
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,
