5.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
[ Upstream commit 38ed1c7062ada30d7c11e7a7acc749bf27aa14aa ]
Direction attribute is ignored, reject it in case this ever needs to be
supported
Fixes: 3087c3f7c23b ("netfilter: nft_ct: Add ct id support")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/netfilter/nft_ct.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index 5b16161526e7..2b15dbbca98b 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -482,6 +482,9 @@ static int nft_ct_get_init(const struct nft_ctx *ctx,
break;
#endif
case NFT_CT_ID:
+ if (tb[NFTA_CT_DIRECTION])
+ return -EINVAL;
+
len = sizeof(u32);
break;
default:
--
2.43.0
