From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
[ Upstream commit 23185c6aed1ffb8fc44087880ba2767aba493779 ]
Do not allow to insert elements from datapath to objects maps.
Fixes: 8aeff920dcc9 ("netfilter: nf_tables: add stateful object reference to set elements")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/netfilter/nft_dynset.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c
index e65a83328b554..cf9a1ae87d9b1 100644
--- a/net/netfilter/nft_dynset.c
+++ b/net/netfilter/nft_dynset.c
@@ -191,6 +191,9 @@ static int nft_dynset_init(const struct nft_ctx *ctx,
if (IS_ERR(set))
return PTR_ERR(set);
+ if (set->flags & NFT_SET_OBJECT)
+ return -EOPNOTSUPP;
+
if (set->ops->update == NULL)
return -EOPNOTSUPP;
--
2.40.1
