From 36f7cec4f3af352d7f2c646461afba4cf7fd77b0 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 13 May 2022 11:55:45 -0700 Subject: dccp: use READ_ONCE() to read sk->sk_bound_dev_if When reading listener sk->sk_bound_dev_if locklessly, we must use READ_ONCE(). Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/dccp/ipv4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/dccp/ipv4.c') diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 82696ab86f74..307424872160 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -628,7 +628,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb) sk_daddr_set(req_to_sk(req), ip_hdr(skb)->saddr); ireq->ir_mark = inet_request_mark(sk, skb); ireq->ireq_family = AF_INET; - ireq->ir_iif = sk->sk_bound_dev_if; + ireq->ir_iif = READ_ONCE(sk->sk_bound_dev_if); /* * Step 3: Process LISTEN state -- cgit v1.2.3