diff options
Diffstat (limited to 'kernel/net')
-rw-r--r-- | kernel/net/netfilter/ipset/ip_set_hash_ip.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/net/netfilter/ipset/ip_set_hash_ip.c b/kernel/net/netfilter/ipset/ip_set_hash_ip.c index 789b28a..baa5e14 100644 --- a/kernel/net/netfilter/ipset/ip_set_hash_ip.c +++ b/kernel/net/netfilter/ipset/ip_set_hash_ip.c @@ -148,7 +148,8 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[], hosts = h->netmask == 32 ? 1 : 2 << (32 - h->netmask - 1); - if (((u64)ip_to - ip + 1)/hosts > IPSET_MAX_RANGE) + /* 64bit division is not allowed on 32bit */ + if (((u64)ip_to - ip + 1) >> (32 - h->netmask) > IPSET_MAX_RANGE) return -ERANGE; if (retried) { |