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-rw-r--r--net/netfilter/nft_meta.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c
index 1105a23bda5e..297fe7d97c18 100644
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -41,9 +41,9 @@ static DEFINE_PER_CPU(struct rnd_state, nft_prandom_state);
#include "../bridge/br_private.h"
#endif
-static void nft_meta_get_eval(const struct nft_expr *expr,
- struct nft_regs *regs,
- const struct nft_pktinfo *pkt)
+void nft_meta_get_eval(const struct nft_expr *expr,
+ struct nft_regs *regs,
+ const struct nft_pktinfo *pkt)
{
const struct nft_meta *priv = nft_expr_priv(expr);
const struct sk_buff *skb = pkt->skb;
@@ -107,7 +107,8 @@ static void nft_meta_get_eval(const struct nft_expr *expr,
break;
case NFT_META_SKUID:
sk = skb_to_full_sk(skb);
- if (!sk || !sk_fullsock(sk))
+ if (!sk || !sk_fullsock(sk) ||
+ !net_eq(nft_net(pkt), sock_net(sk)))
goto err;
read_lock_bh(&sk->sk_callback_lock);
@@ -123,7 +124,8 @@ static void nft_meta_get_eval(const struct nft_expr *expr,
break;
case NFT_META_SKGID:
sk = skb_to_full_sk(skb);
- if (!sk || !sk_fullsock(sk))
+ if (!sk || !sk_fullsock(sk) ||
+ !net_eq(nft_net(pkt), sock_net(sk)))
goto err;
read_lock_bh(&sk->sk_callback_lock);
@@ -214,7 +216,8 @@ static void nft_meta_get_eval(const struct nft_expr *expr,
#ifdef CONFIG_CGROUP_NET_CLASSID
case NFT_META_CGROUP:
sk = skb_to_full_sk(skb);
- if (!sk || !sk_fullsock(sk))
+ if (!sk || !sk_fullsock(sk) ||
+ !net_eq(nft_net(pkt), sock_net(sk)))
goto err;
*dest = sock_cgroup_classid(&sk->sk_cgrp_data);
break;