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Date: Tue, 24 Aug 2010 15:45:17 -0700 From: Greg KH <gregkh@...e.de> To: linux-kernel@...r.kernel.org, stable@...nel.org Cc: stable-review@...nel.org, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Changli Gao <xiaosuo@...il.com>, Herbert Xu <herbert@...dor.apana.org.au>, "David S. Miller" <davem@...emloft.net> Subject: [072/114] act_nat: fix wild pointer 2.6.35-stable review patch. If anyone has any objections, please let us know. ------------------ From: Changli Gao <xiaosuo@...il.com> [ Upstream commit 072d79a31a3b870b49886f4347e23f81b7eca3ac ] pskb_may_pull() may change skb pointers, so adjust icmph after pskb_may_pull(). Signed-off-by: Changli Gao <xiaosuo@...il.com> Acked-by: Herbert Xu <herbert@...dor.apana.org.au> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> --- net/sched/act_nat.c | 1 + 1 file changed, 1 insertion(+) --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -218,6 +218,7 @@ static int tcf_nat(struct sk_buff *skb, if (!pskb_may_pull(skb, ihl + sizeof(*icmph) + sizeof(*iph))) goto drop; + icmph = (void *)(skb_network_header(skb) + ihl); iph = (void *)(icmph + 1); if (egress) addr = iph->daddr; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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