diff options
author | Eric Dumazet <edumazet@google.com> | 2023-07-28 15:03:15 +0000 |
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committer | David S. Miller <davem@davemloft.net> | 2023-07-29 18:13:41 +0100 |
commit | 3c5b4d69c358a9275a8de98f87caf6eda644b086 (patch) | |
tree | fa45713da2bb8c9dc9c4728dcdb990ebd86c98d5 /include/net/route.h | |
parent | b4b553253091cafe9ec38994acf42795e073bef5 (diff) | |
download | lwn-3c5b4d69c358a9275a8de98f87caf6eda644b086.tar.gz lwn-3c5b4d69c358a9275a8de98f87caf6eda644b086.zip |
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 'include/net/route.h')
-rw-r--r-- | include/net/route.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/route.h b/include/net/route.h index 5a5c726472bd..8c2a8e7d8f8e 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -168,7 +168,7 @@ static inline struct rtable *ip_route_output_ports(struct net *net, struct flowi __be16 dport, __be16 sport, __u8 proto, __u8 tos, int oif) { - flowi4_init_output(fl4, oif, sk ? sk->sk_mark : 0, tos, + flowi4_init_output(fl4, oif, sk ? READ_ONCE(sk->sk_mark) : 0, tos, RT_SCOPE_UNIVERSE, proto, sk ? inet_sk_flowi_flags(sk) : 0, daddr, saddr, dport, sport, sock_net_uid(net, sk)); @@ -301,7 +301,7 @@ static inline void ip_route_connect_init(struct flowi4 *fl4, __be32 dst, if (inet_sk(sk)->transparent) flow_flags |= FLOWI_FLAG_ANYSRC; - flowi4_init_output(fl4, oif, sk->sk_mark, ip_sock_rt_tos(sk), + flowi4_init_output(fl4, oif, READ_ONCE(sk->sk_mark), ip_sock_rt_tos(sk), ip_sock_rt_scope(sk), protocol, flow_flags, dst, src, dport, sport, sk->sk_uid); } |