From 05d0eae7c1cf6bf7b19c02b3a97ff457b3317323 Mon Sep 17 00:00:00 2001 From: Zhizhou Tian Date: Fri, 8 Sep 2017 11:00:16 +0800 Subject: [PATCH] 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 Signed-off-by: Pablo Neira Ayuso --- net/netfilter/xt_hashlimit.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index 10d48234f5f4..962ea4a63d9f 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -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; -- 2.20.1