diff options
| author | Eric Dumazet <edumazet@google.com> | 2023-07-28 15:03:15 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-07-29 18:13:41 +0100 |
| commit | 3c5b4d69c358a9275a8de98f87caf6eda644b086 (patch) | |
| tree | fa45713da2bb8c9dc9c4728dcdb990ebd86c98d5 /net/ipv4/tcp_ipv4.c | |
| parent | b4b553253091cafe9ec38994acf42795e073bef5 (diff) | |
net: annotate data-races around sk->sk_mark
sk->sk_mark is often read while another thread could change the value.
Fixes: 4a19ec5800fc ("[NET]: Introducing socket mark socket option.")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 069642014636..894653be033a 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -931,7 +931,7 @@ static void tcp_v4_send_ack(const struct sock *sk, ctl_sk = this_cpu_read(ipv4_tcp_sk); sock_net_set(ctl_sk, net); ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ? - inet_twsk(sk)->tw_mark : sk->sk_mark; + inet_twsk(sk)->tw_mark : READ_ONCE(sk->sk_mark); ctl_sk->sk_priority = (sk->sk_state == TCP_TIME_WAIT) ? inet_twsk(sk)->tw_priority : sk->sk_priority; transmit_time = tcp_transmit_time(sk); |