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af_unix: Annotate data-race of sk->sk_state in unix_stream_read_skb().
[ Upstream commitaf4c733b6b
] unix_stream_read_skb() is called from sk->sk_data_ready() context where unix_state_lock() is not held. Let's use READ_ONCE() there. Fixes:77462de14a
("af_unix: Add read_sock for stream socket types") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -2630,7 +2630,7 @@ static struct sk_buff *manage_oob(struct sk_buff *skb, struct sock *sk,
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static int unix_stream_read_skb(struct sock *sk, skb_read_actor_t recv_actor)
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{
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if (unlikely(sk->sk_state != TCP_ESTABLISHED))
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if (unlikely(READ_ONCE(sk->sk_state) != TCP_ESTABLISHED))
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return -ENOTCONN;
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return unix_read_skb(sk, recv_actor);
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