diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2023-06-16 15:22:18 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2023-06-20 22:43:41 +0200 |
| commit | e26d3009efda338f19016df4175f354a9bd0a4ab (patch) | |
| tree | a7ea8e34b3f44f28ca5328fc7e7fcc29d41d2e2e | |
| parent | b770283c98e0eee9133c47bc03b6cc625dc94723 (diff) | |
netfilter: nf_tables: disallow timeout for anonymous sets
Never used from userspace, disallow these parameters.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 16995b88da2f..0d293eab310b 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -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])); } |