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net: annotate data-races around sk->sk_mark

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sk->sk_mark is often read while another thread could change the value.

Fixes: 4a19ec5800 ("[NET]: Introducing socket mark socket option.")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2023-07-28 15:03:15 +00:00
committed by David S. Miller
parent b4b5532530
commit 3c5b4d69c3
23 changed files with 42 additions and 40 deletions
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2
net/mptcp/sockopt.c
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@@ -103,7 +103,7 @@ static void mptcp_sol_socket_sync_intval(struct mptcp_sock *msk, int optname, in
break;
case SO_MARK:
if (READ_ONCE(ssk->sk_mark) != sk->sk_mark) {
ssk->sk_mark = sk->sk_mark;
WRITE_ONCE(ssk->sk_mark, sk->sk_mark);
sk_dst_reset(ssk);
}
break;