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Date: Sun, 16 Aug 2020 15:34:34 -0700 (PDT) From: David Miller <davem@...emloft.net> To: linmiaohe@...wei.com Cc: kuba@...nel.org, pshelar@....org, fw@...len.de, martin.varghese@...ia.com, edumazet@...gle.com, dcaratti@...hat.com, steffen.klassert@...unet.com, pabeni@...hat.com, shmulik@...anetworks.com, kyk.segfault@...il.com, jiri@...lanox.com, vyasevic@...hat.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] net: Fix potential wrong skb->protocol in skb_vlan_untag() From: Miaohe Lin <linmiaohe@...wei.com> Date: Sat, 15 Aug 2020 04:44:31 -0400 > We may access the two bytes after vlan_hdr in vlan_set_encap_proto(). So > we should pull VLAN_HLEN + sizeof(unsigned short) in skb_vlan_untag() or > we may access the wrong data. > > Fixes: 0d5501c1c828 ("net: Always untag vlan-tagged traffic on input.") > Signed-off-by: Miaohe Lin <linmiaohe@...wei.com> Applied, thank you.
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