From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 31 Dec 2010 11:10:03 -0800 (PST) Message-Id: <20101231.111003.48499853.davem@davemloft.net> From: David Miller In-Reply-To: <1293284490-17114-1-git-send-email-xiaosuo@gmail.com> References: <1293284490-17114-1-git-send-email-xiaosuo@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: [Bridge] [PATCH] net: bridge: check the length of skb after nf_bridge_maybe_copy_header() List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: xiaosuo@gmail.com Cc: netdev@vger.kernel.org, bridge@lists.linux-foundation.org From: Changli Gao Date: Sat, 25 Dec 2010 21:41:30 +0800 > Since nf_bridge_maybe_copy_header() may change the length of skb, > we should check the length of skb after it to handle the ppoe skbs. > > Signed-off-by: Changli Gao This is really strange. packet_length() subtracts VLAN_HLEN from the value it returns, so the correct fix seems to be to make this function handle the PPPOE case too. Otherwise I suspect you have many other functions to fix as well. I'm not applying this patch.