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netfilter: nft_dynset: disallow object maps

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[ Upstream commit 23185c6aed1ffb8fc44087880ba2767aba493779 ]

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 7f8a160d40
commit 7148bca63b
1 changed files with 3 additions and 0 deletions
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3
net/netfilter/nft_dynset.c
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@ -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;