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netfilter: ipset: off by one in ip_set_nfnl_get_byindex()

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The ->ip_set_list[] array is initialized in ip_set_net_init() and it
has ->ip_set_max elements so this check should be >= instead of >
otherwise we are off by one.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Dan Carpenter 2014-10-21 11:28:12 +03:00 committed by Pablo Neira Ayuso
parent e37ad9fd63
commit 0f9f5e1b83
1 changed files with 1 additions and 1 deletions
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net/netfilter/ipset/ip_set_core.c
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@ -659,7 +659,7 @@ ip_set_nfnl_get_byindex(struct net *net, ip_set_id_t index)
struct ip_set *set;
struct ip_set_net *inst = ip_set_pernet(net);
if (index > inst->ip_set_max)
if (index >= inst->ip_set_max)
return IPSET_INVALID_ID;
nfnl_lock(NFNL_SUBSYS_IPSET);