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/ip_output.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/ip_output.c')
-rw-r--r-- | net/ipv4/ip_output.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 6e70839257f7..bcdbf448324a 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -186,7 +186,7 @@ int ip_build_and_send_pkt(struct sk_buff *skb, const struct sock *sk, skb->priority = sk->sk_priority; if (!skb->mark) - skb->mark = sk->sk_mark; + skb->mark = READ_ONCE(sk->sk_mark); /* Send it out. */ return ip_local_out(net, skb->sk, skb); @@ -529,7 +529,7 @@ packet_routed: /* TODO : should we use skb->sk here instead of sk ? */ skb->priority = sk->sk_priority; - skb->mark = sk->sk_mark; + skb->mark = READ_ONCE(sk->sk_mark); res = ip_local_out(net, sk, skb); rcu_read_unlock(); |