1 files changed, 3 insertions, 3 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 5f9b102c3b55..5b7c8768ed5f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3362,7 +3362,7 @@ static void tcp_rcv_nxt_update(struct tcp_sock *tp, u32 seq)
 
         sock_owned_by_me((struct sock *)tp);
         tp->bytes_received += delta;
-        tp->rcv_nxt = seq;
+        WRITE_ONCE(tp->rcv_nxt, seq);
 }
 
 /* Update our send window.
@@ -5932,7 +5932,7 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
                 /* Ok.. it's good. Set up sequence numbers and
                  * move to established.
                  */
-                tp->rcv_nxt = TCP_SKB_CB(skb)->seq + 1;
+                WRITE_ONCE(tp->rcv_nxt, TCP_SKB_CB(skb)->seq + 1);
                 tp->rcv_wup = TCP_SKB_CB(skb)->seq + 1;
 
                 /* RFC1323: The window in SYN & SYN/ACK segments is
@@ -6035,7 +6035,7 @@ discard:
                         tp->tcp_header_len = sizeof(struct tcphdr);
                 }
 
-                tp->rcv_nxt = TCP_SKB_CB(skb)->seq + 1;
+                WRITE_ONCE(tp->rcv_nxt, TCP_SKB_CB(skb)->seq + 1);
                 tp->copied_seq = tp->rcv_nxt;
                 tp->rcv_wup = TCP_SKB_CB(skb)->seq + 1;