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Message-ID: <20161012060912.GF12841@mwanda> Date: Wed, 12 Oct 2016 09:09:12 +0300 From: Dan Carpenter <dan.carpenter@...cle.com> To: Pablo Neira Ayuso <pablo@...filter.org>, Laura Garcia Liebana <nevola@...il.com> Cc: Patrick McHardy <kaber@...sh.net>, Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>, "David S. Miller" <davem@...emloft.net>, netfilter-devel@...r.kernel.org, coreteam@...filter.org, netdev@...r.kernel.org, kernel-janitors@...r.kernel.org Subject: [patch] netfilter: nft_exthdr: fix error handling in nft_exthdr_init() "err" needs to be signed for the error handling to work. Fixes: 36b701fae12a ('netfilter: nf_tables: validate maximum value of u32 netlink attributes') Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com> diff --git a/net/netfilter/nft_exthdr.c b/net/netfilter/nft_exthdr.c index a84cf3d..47beb3a 100644 --- a/net/netfilter/nft_exthdr.c +++ b/net/netfilter/nft_exthdr.c @@ -59,7 +59,8 @@ static int nft_exthdr_init(const struct nft_ctx *ctx, const struct nlattr * const tb[]) { struct nft_exthdr *priv = nft_expr_priv(expr); - u32 offset, len, err; + u32 offset, len; + int err; if (tb[NFTA_EXTHDR_DREG] == NULL || tb[NFTA_EXTHDR_TYPE] == NULL ||
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