diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h
index 15fe980a27ead226cdf5cbd00df3c54f2dd944a6..5c916e6dff3627a8c830a1bcbf9624dd3312cc33 100644
--- a/include/linux/sock_diag.h
+++ b/include/linux/sock_diag.h
@@ -25,6 +25,15 @@ void sock_diag_unregister(const struct sock_diag_handler *h);
 void sock_diag_register_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
 void sock_diag_unregister_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
 
+static inline
+void sock_init_cookie(struct sock *sk)
+{
+	u64 res;
+
+	res = atomic64_inc_return(&sock_net(sk)->cookie_gen);
+	atomic64_set(&sk->sk_cookie, res);
+}
+
 u64 sock_gen_cookie(struct sock *sk);
 int sock_diag_check_cookie(struct sock *sk, const __u32 *cookie);
 void sock_diag_save_cookie(struct sock *sk, __u32 *cookie);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 5a17cfc753260c44382af4003123f5aa3b981be8..17b78582ba631299f3a01e354b846386d6e82050 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -78,6 +78,7 @@
 #include <linux/errqueue.h>
 #include <trace/events/tcp.h>
 #include <linux/static_key.h>
+#include <linux/sock_diag.h>
 
 int sysctl_tcp_max_orphans __read_mostly = NR_FILE;
 
@@ -6190,10 +6191,15 @@ struct request_sock *inet_reqsk_alloc(const struct request_sock_ops *ops,
 #if IS_ENABLED(CONFIG_IPV6)
 		ireq->pktopts = NULL;
 #endif
-		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;
+
+		BUILD_BUG_ON(offsetof(struct inet_request_sock, ir_cookie) !=
+					offsetof(struct sock, sk_cookie));
+		BUILD_BUG_ON(offsetof(struct inet_request_sock, ireq_net) !=
+					offsetof(struct sock, sk_net));
+		sock_init_cookie((struct sock *)ireq);
 	}
 
 	return req;