diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 328419e05c81..d148f1b03c5d 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -445,7 +445,7 @@ static int rawv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 	if (flags & MSG_ERRQUEUE)
 		return ipv6_recv_error(sk, msg, len, addr_len);
 
-	if (np->rxpmtu && np->rxopt.bits.rxpmtu)
+	if (np->rxopt.bits.rxpmtu && READ_ONCE(np->rxpmtu))
 		return ipv6_recv_rxpmtu(sk, msg, len, addr_len);
 
 	skb = skb_recv_datagram(sk, flags, &err);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 57e38e5e4be9..9b93df668025 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -394,7 +394,7 @@ int udpv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 	if (flags & MSG_ERRQUEUE)
 		return ipv6_recv_error(sk, msg, len, addr_len);
 
-	if (np->rxpmtu && np->rxopt.bits.rxpmtu)
+	if (np->rxopt.bits.rxpmtu && READ_ONCE(np->rxpmtu))
 		return ipv6_recv_rxpmtu(sk, msg, len, addr_len);
 
 try_again: