[PATCH nf 5/6] netfilter: nf_tables: disallow updates of anonymous sets

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Disallow updates of set timeout and garbage collection parameters for
anonymous sets.

Fixes: 123b99619cca ("netfilter: nf_tables: honor set timeout and garbage collection updates")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
 net/netfilter/nf_tables_api.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index a4f1a9f3d6d4..e8865a85b7d6 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4890,6 +4890,9 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
 		if (info->nlh->nlmsg_flags & NLM_F_REPLACE)
 			return -EOPNOTSUPP;
 
+		if (nft_set_is_anonymous(set))
+			return -EOPNOTSUPP;
+
 		err = nft_set_expr_alloc(&ctx, set, nla, exprs, &num_exprs, flags);
 		if (err < 0)
 			return err;
-- 
2.30.2




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