From: Maciej Żenczykowski <maze@xxxxxxxxxx>
this makes fchown() affect '-m owner --uid-owner'
Cc: Lorenzo Colitti <lorenzo@xxxxxxxxxx>
Fixes: 86741ec25462 ('net: core: Add a UID field to struct sock.')
Signed-off-by: Maciej Żenczykowski <maze@xxxxxxxxxx>
---
net/netfilter/xt_owner.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/xt_owner.c b/net/netfilter/xt_owner.c
index e85ce69924ae..3eebd9c7ea4b 100644
--- a/net/netfilter/xt_owner.c
+++ b/net/netfilter/xt_owner.c
@@ -84,8 +84,8 @@ owner_mt(const struct sk_buff *skb, struct xt_action_param *par)
if (info->match & XT_OWNER_UID) {
kuid_t uid_min = make_kuid(net->user_ns, info->uid_min);
kuid_t uid_max = make_kuid(net->user_ns, info->uid_max);
- if ((uid_gte(filp->f_cred->fsuid, uid_min) &&
- uid_lte(filp->f_cred->fsuid, uid_max)) ^
+ if ((uid_gte(sk->sk_uid, uid_min) &&
+ uid_lte(sk->sk_uid, uid_max)) ^
!(info->invert & XT_OWNER_UID))
return false;
}
--
2.34.1.307.g9b7440fafd-goog
