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authorJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2017-09-18 21:43:30 +0200
committerJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2017-09-18 21:43:30 +0200
commitae810f58cbfd08a654877f7f78239526e1caf117 (patch)
tree8ab7319b66b3a4c2b693b89602bef28e753de887 /kernel/net/netfilter/ipset/ip_set_hash_netnet.c
parent7aa278e4c474adfac06ddb35584b31534366628f (diff)
Fix adding an IPv4 range containing more than 2^31 addresses
Wrong comparison prevented the hash types to add a range with more than 2^31 addresses but reported as a success. Fixes bugzilla id #1005, reported by Oleg Serditov and Oliver Ford.
Diffstat (limited to 'kernel/net/netfilter/ipset/ip_set_hash_netnet.c')
-rw-r--r--kernel/net/netfilter/ipset/ip_set_hash_netnet.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/net/netfilter/ipset/ip_set_hash_netnet.c b/kernel/net/netfilter/ipset/ip_set_hash_netnet.c
index db614e1..7f9ae2e 100644
--- a/kernel/net/netfilter/ipset/ip_set_hash_netnet.c
+++ b/kernel/net/netfilter/ipset/ip_set_hash_netnet.c
@@ -250,13 +250,13 @@ hash_netnet4_uadt(struct ip_set *set, struct nlattr *tb[],
if (retried)
ip = ntohl(h->next.ip[0]);
- while (!after(ip, ip_to)) {
+ while (ip <= ip_to) {
e.ip[0] = htonl(ip);
last = ip_set_range_to_cidr(ip, ip_to, &e.cidr[0]);
ip2 = (retried &&
ip == ntohl(h->next.ip[0])) ? ntohl(h->next.ip[1])
: ip2_from;
- while (!after(ip2, ip2_to)) {
+ while (ip2 <= ip2_to) {
e.ip[1] = htonl(ip2);
last2 = ip_set_range_to_cidr(ip2, ip2_to, &e.cidr[1]);
ret = adtfn(set, &e, &ext, &ext, flags);