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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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7
include/net/inet_sock.h
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@@ -107,11 +107,12 @@ static inline struct inet_request_sock *inet_rsk(const struct request_sock *sk)
static inline u32 inet_request_mark(const struct sock *sk, struct sk_buff *skb)
{
if (!sk->sk_mark &&
READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fwmark_accept))
u32 mark = READ_ONCE(sk->sk_mark);
if (!mark && READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fwmark_accept))
return skb->mark;
return sk->sk_mark;
return mark;
}
static inline int inet_request_bound_dev_if(const struct sock *sk,