netfilter: ipset: Fix hash:* type expiration

Incorrect index was used when the data blob was shrinked at expiration,
which could lead to falsely expired entries and memory leak when
the comment extension was used too.

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index 4ff22194ce55..fa4f6374bb73 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -523,7 +523,7 @@ mtype_expire(struct ip_set *set, struct htype *h, u8 nets_length, size_t dsize)
                                         continue;
                                 data = ahash_data(n, j, dsize);
                                 memcpy(tmp->value + d * dsize, data, dsize);
-                                set_bit(j, tmp->used);
+                                set_bit(d, tmp->used);
                                 d++;
                         }
                         tmp->pos = d;