diff mbox series

[nf,v2,6/7] netfilter: nf_tables: disallow timeout for anonymous sets

Message ID 20230612131409.63157-6-pablo@netfilter.org
State Changes Requested
Delegated to: Pablo Neira
Headers show
Series [nf,v2,1/7] netfilter: nf_tables: fix chain binding transaction logic | expand

Commit Message

Pablo Neira Ayuso June 12, 2023, 1:14 p.m. UTC 
Never used from userspace, disallow these parameters.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
v2: no changes

 net/netfilter/nf_tables_api.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index e8865a85b7d6..37981472f148 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4836,6 +4836,9 @@  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;
@@ -4844,6 +4847,10 @@  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]));
 	}