netfilter: nft_dynset: disallow object maps

[ Upstream commit 23185c6aed ]

Do not allow to insert elements from datapath to objects maps.

Fixes: 8aeff920dc ("netfilter: nf_tables: add stateful object reference to set elements")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pablo Neira Ayuso 2023-08-15 15:39:02 +02:00 committed by Greg Kroah-Hartman
parent 9177869b85
commit bf221e5e4b

View file

@ -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;