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Date: Mon, 28 Dec 2020 15:03:38 -0800 (PST) From: David Miller <davem@...emloft.net> To: bodefang@....com Cc: kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org, kuba@...nel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] ipv6: Prevent overrun when parsing v6 header options From: Defang Bo <bodefang@....com> Date: Sun, 27 Dec 2020 22:11:35 +0800 > Similar to commit<2423496af35>, the fragmentation code tries to parse the header options in order > to figure out where to insert the fragment option. Since nexthdr points > to an invalid option, the calculation of the size of the network header > can made to be much larger than the linear section of the skb and data > is read outside of it. > > Signed-off-by: Defang Bo <bodefang@....com> Could you please repost this with a proper Fixes: tag, thank you.
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