[PATCH 6.1 123/194] netfilter: nft_dynset: disallow object maps

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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






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