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netfilter: xt_hashlimit: alloc hashtable with right size 

struct xt_byteslimit_htable used hlist_head, but memory allocation is
done through sizeof(struct list_head).

Signed-off-by: Zhizhou Tian <zhizhou.tian@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Zhizhou Tian 2017-09-08 11:00:16 +08:00 committed by Pablo Neira Ayuso
parent 74585d4f84
commit 05d0eae7c1
1 changed files with 2 additions and 2 deletions
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4
net/netfilter/xt_hashlimit.c
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@ -279,7 +279,7 @@ static int htable_create(struct net *net, struct hashlimit_cfg3 *cfg,
size = cfg->size;
} else {
size = (totalram_pages << PAGE_SHIFT) / 16384 /
sizeof(struct list_head);
sizeof(struct hlist_head);
if (totalram_pages > 1024 * 1024 * 1024 / PAGE_SIZE)
size = 8192;
if (size < 16)
@ -287,7 +287,7 @@ static int htable_create(struct net *net, struct hashlimit_cfg3 *cfg,
}
/* FIXME: don't use vmalloc() here or anywhere else -HW */
hinfo = vmalloc(sizeof(struct xt_hashlimit_htable) +
sizeof(struct list_head) * size);
sizeof(struct hlist_head) * size);
if (hinfo == NULL)
return -ENOMEM;
*out_hinfo = hinfo;