dccp: do not leak jiffies on the wire

[ Upstream commit 3d1e5039f5f87a8731202ceca08764ee7cb010d3 ]

For some reason I missed the case of DCCP passive
flows in my previous patch.

Fixes: a904a0693c18 ("inet: stop leaking jiffies on the wire")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Thiemo Nagel <tnagel@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 8e08cea..17afa03 100644 (file)
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -417,7 +417,7 @@ struct sock *dccp_v4_request_recv_sock(const struct sock *sk,
        RCU_INIT_POINTER(newinet->inet_opt, rcu_dereference(ireq->ireq_opt));
        newinet->mc_index  = inet_iif(skb);
        newinet->mc_ttl    = ip_hdr(skb)->ttl;
-       newinet->inet_id   = jiffies;
+       newinet->inet_id   = prandom_u32();
 
        if (dst == NULL && (dst = inet_csk_route_child_sock(sk, newsk, req)) == NULL)
                goto put_and_exit;