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authorEric Dumazet <edumazet@google.com>2023-07-28 15:03:15 +0000
committerDavid S. Miller <davem@davemloft.net>2023-07-29 18:13:41 +0100
commit3c5b4d69c358a9275a8de98f87caf6eda644b086 (patch)
treefa45713da2bb8c9dc9c4728dcdb990ebd86c98d5 /net/xfrm
parentb4b553253091cafe9ec38994acf42795e073bef5 (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/xfrm')
-rw-r--r--net/xfrm/xfrm_policy.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index e7617c9959c3..d6b405782b63 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2250,7 +2250,7 @@ static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir,
match = xfrm_selector_match(&pol->selector, fl, family);
if (match) {
- if ((sk->sk_mark & pol->mark.m) != pol->mark.v ||
+ if ((READ_ONCE(sk->sk_mark) & pol->mark.m) != pol->mark.v ||
pol->if_id != if_id) {
pol = NULL;
goto out;