From: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Fri, 18 Oct 2013 12:03:41 +0000 (+0200)
Subject: netfilter:ipset: Fix memory allocation for bitmap:port
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=dc476e7c8e7824fd326c79f50d7302faca7a4c2b;p=linux-beck.git

netfilter:ipset: Fix memory allocation for bitmap:port

At the restructuring of the bitmap types creation in ipset, for the
bitmap:port type wrong (too large) memory allocation was copied
(netfilter bugzilla id #859).

Reported-by: Quentin Armitage <quentin@armitage.org.uk>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
---

diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c
index e7603c5b53d7..cf99676e69f8 100644
--- a/net/netfilter/ipset/ip_set_bitmap_port.c
+++ b/net/netfilter/ipset/ip_set_bitmap_port.c
@@ -254,7 +254,7 @@ bitmap_port_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
 		return -ENOMEM;
 
 	map->elements = last_port - first_port + 1;
-	map->memsize = map->elements * sizeof(unsigned long);
+	map->memsize = bitmap_bytes(0, map->elements);
 	set->variant = &bitmap_port;
 	set->dsize = ip_set_elem_len(set, tb, 0);
 	if (!init_map_port(set, map, first_port, last_port)) {