diff options
Diffstat (limited to 'kernel/net/netfilter/ipset/ip_set_hash_ip.c')
-rw-r--r-- | kernel/net/netfilter/ipset/ip_set_hash_ip.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/net/netfilter/ipset/ip_set_hash_ip.c b/kernel/net/netfilter/ipset/ip_set_hash_ip.c index 94e17a5..a3559d7 100644 --- a/kernel/net/netfilter/ipset/ip_set_hash_ip.c +++ b/kernel/net/netfilter/ipset/ip_set_hash_ip.c @@ -145,6 +145,9 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[], hosts = h->netmask == 32 ? 1 : 2 << (32 - h->netmask - 1); + if ((ip_to - ip + 1)/hosts > IPSET_MAX_RANGE) + return -ERANGE; + if (retried) { ip = ntohl(h->next.ip); e.ip = htonl(ip); |