From: Vicente Feito <vicente.feito@gmail.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 2.6.12-rc1-mm1] net/ethernet/eth.c - eth_header
Date: Tue, 22 Mar 2005 13:38:08 +0000 [thread overview]
Message-ID: <200503221338.08834.vicente.feito@gmail.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 315 bytes --]
Hi,
Please consider applying (or droping).
Thank you.
Description: This patch prevent drivers from calling eth_header with a 802.3
frame using a len>1536. In such a case returns -EINVAL, which was hard to
choose because the ETH_HLEN is supposed to return.
Signed-off-by: Vicente Feito <vicente.feito@gmail.com>
[-- Attachment #2: eth.patch --]
[-- Type: text/x-diff, Size: 520 bytes --]
--- linux-2.6.12-rc1-mm1/net/ethernet/eth.c.orig 2005-03-22 12:49:08.000000000 +0000
+++ linux-2.6.12-rc1-mm1/net/ethernet/eth.c 2005-03-22 12:49:36.000000000 +0000
@@ -78,6 +78,8 @@ int eth_header(struct sk_buff *skb, stru
{
struct ethhdr *eth = (struct ethhdr *)skb_push(skb,ETH_HLEN);
+ if (type == ETH_P_802_3 && len >= 1536)
+ return -EINVAL;
/*
* Set the protocol type. For a packet of type ETH_P_802_3 we put the length
* in here instead. It is up to the 802.2 layer to carry protocol information.
reply other threads:[~2005-03-22 16:39 UTC|newest]
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