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>
---
v4: no changes
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 bab792434a8d..16995b88da2f 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4963,6 +4963,9 @@ 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
