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Date: Fri, 11 Jan 2019 06:23:49 -0800 From: Eric Dumazet <edumazet@...gle.com> To: Stefano Brivio <sbrivio@...hat.com> Cc: David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>, Eric Dumazet <eric.dumazet@...il.com>, syzbot <syzkaller@...glegroups.com>, Sabrina Dubroca <sd@...asysnail.net> Subject: Re: [PATCH net] fou, fou6: do not assume linear skbs On Fri, Jan 11, 2019 at 6:20 AM Eric Dumazet <edumazet@...gle.com> wrote: > > On Fri, Jan 11, 2019 at 6:15 AM Stefano Brivio <sbrivio@...hat.com> wrote: > > > > On Fri, 11 Jan 2019 04:55:52 -0800 > > Eric Dumazet <edumazet@...gle.com> wrote: > > > > > Both gue_err() and gue6_err() incorrectly assume > > > linear skbs. Fix them to use pskb_may_pull(). > > > > Thanks for fixing this! I stupidly didn't suspect we could get > > non-linear skbs there. Just two things: > > > > > + if (!pskb_may_pull(skb, len + optlen) > > ^ ) missing > > > Interesting, I had no compile error there :/ > > I will send a V2 Ah, CONFIG_NET_FOU_IP_TUNNELS was not set, of course.
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