diff options
| author | Eric Dumazet <edumazet@google.com> | 2023-07-28 15:03:15 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-11 12:08:14 +0200 |
| commit | b53468041d20177c8b8808d1891c0145718ceadf (patch) | |
| tree | d2af7b8b8f9b9271e738df72a7bfabb3f33461b3 /net/netfilter/xt_socket.c | |
| parent | c7bb6860645f83134842e27a2fd1c1449edc5d80 (diff) | |
net: annotate data-races around sk->sk_mark
[ Upstream commit 3c5b4d69c358a9275a8de98f87caf6eda644b086 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/netfilter/xt_socket.c')
| -rw-r--r-- | net/netfilter/xt_socket.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c index 7013f55f05d1..76e01f292aaf 100644 --- a/net/netfilter/xt_socket.c +++ b/net/netfilter/xt_socket.c @@ -77,7 +77,7 @@ socket_match(const struct sk_buff *skb, struct xt_action_param *par, if (info->flags & XT_SOCKET_RESTORESKMARK && !wildcard && transparent && sk_fullsock(sk)) - pskb->mark = sk->sk_mark; + pskb->mark = READ_ONCE(sk->sk_mark); if (sk != skb->sk) sock_gen_put(sk); @@ -138,7 +138,7 @@ socket_mt6_v1_v2_v3(const struct sk_buff *skb, struct xt_action_param *par) if (info->flags & XT_SOCKET_RESTORESKMARK && !wildcard && transparent && sk_fullsock(sk)) - pskb->mark = sk->sk_mark; + pskb->mark = READ_ONCE(sk->sk_mark); if (sk != skb->sk) sock_gen_put(sk); |