From: Eric Dumazet <edumazet@google.com>

[ Upstream commit b4b553253091cafe9ec38994acf42795e073bef5 ]

In a prior commit, I forgot to change sk_getsockopt()
when reading sk->sk_rcvbuf locklessly.

Fixes: ebb3b78db7bf ("tcp: annotate sk->sk_rcvbuf lockless reads")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/core/sock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/sock.c b/net/core/sock.c
index c5dfeb6d4fec6..8c69610753ec2 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c

@@ -1630,7 +1630,7 @@ int sk_getsockopt(struct sock *sk, int level, int optname,
 		break;
 
 	case SO_RCVBUF:
-		v.val = sk->sk_rcvbuf;
+		v.val = READ_ONCE(sk->sk_rcvbuf);
 		break;
 
 	case SO_REUSEADDR:

-- 
2.40.1