From: Pablo Neira Ayuso pablo@netfilter.org
[ Upstream commit b770283c98e0eee9133c47bc03b6cc625dc94723 ]
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@netfilter.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 f065542750376..b9e276820c722 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4894,6 +4894,9 @@ 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;