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Date: Thu, 09 Dec 2010 20:46:32 -0800 (PST) From: David Miller <davem@...emloft.net> To: eric.dumazet@...il.com Cc: netdev@...r.kernel.org Subject: Re: [PATCH net-next-2.6] filter: use size of fetched data in __load_pointer() From: Eric Dumazet <eric.dumazet@...il.com> Date: Wed, 08 Dec 2010 09:26:15 +0100 > __load_pointer() checks data we fetch from skb is included in head > portion, but assumes we fetch one byte, instead of up to four. > > This wont crash because we have extra bytes (struct skb_shared_info) > after head, but this can read uninitialized bytes. > > Fix this using size of the data (1, 2, 4 bytes) in the test. > > Signed-off-by: Eric Dumazet <eric.dumazet@...il.com> I'll apply this, thanks Eric. -- 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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