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netfilter: nf_tables: disallow timeout for anonymous sets

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Never used from userspace, disallow these parameters.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso
2023-06-16 15:22:18 +02:00
parent b770283c98
commit e26d3009ef
1 changed files with 7 additions and 0 deletions
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net/netfilter/nf_tables_api.c
+7
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@@ -4909,6 +4909,9 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
if (!(flags & NFT_SET_TIMEOUT))
return -EINVAL;
if (flags & NFT_SET_ANONYMOUS)
return -EOPNOTSUPP;
err = nf_msecs_to_jiffies64(nla[NFTA_SET_TIMEOUT], &desc.timeout);
if (err)
return err;
@@ -4917,6 +4920,10 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
if (nla[NFTA_SET_GC_INTERVAL] != NULL) {
if (!(flags & NFT_SET_TIMEOUT))
return -EINVAL;
if (flags & NFT_SET_ANONYMOUS)
return -EOPNOTSUPP;
desc.gc_int = ntohl(nla_get_be32(nla[NFTA_SET_GC_INTERVAL]));
}