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Message-Id: <1391794904-4017-8-git-send-email-pablo@netfilter.org> Date: Fri, 7 Feb 2014 18:41:33 +0100 From: Pablo Neira Ayuso <pablo@...filter.org> To: netfilter-devel@...r.kernel.org Cc: davem@...emloft.net, netdev@...r.kernel.org Subject: [PATCH 07/18] netfilter: nf_tables: fix overrun in nf_tables_set_alloc_name() From: Patrick McHardy <kaber@...sh.net> The map that is used to allocate anonymous sets is indeed BITS_PER_BYTE * PAGE_SIZE long. Signed-off-by: Patrick McHardy <kaber@...sh.net> Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org> --- net/netfilter/nf_tables_api.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 9ce3053..2a22a18 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -1989,13 +1989,13 @@ static int nf_tables_set_alloc_name(struct nft_ctx *ctx, struct nft_set *set, if (!sscanf(i->name, name, &tmp)) continue; - if (tmp < 0 || tmp > BITS_PER_LONG * PAGE_SIZE) + if (tmp < 0 || tmp >= BITS_PER_BYTE * PAGE_SIZE) continue; set_bit(tmp, inuse); } - n = find_first_zero_bit(inuse, BITS_PER_LONG * PAGE_SIZE); + n = find_first_zero_bit(inuse, BITS_PER_BYTE * PAGE_SIZE); free_page((unsigned long)inuse); } -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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