linux-kernel - Re: [PATCH] ipv6: Prevent overrun when parsing v6 header options

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Message-ID: <CAKgHYH0nocPY5NBu-5Bmp8WMv2-mf-1Hj+_1=7ixzdGCm0XSqw@mail.gmail.com>
Date:   Sat, 1 Jun 2019 00:12:19 +0800
From:   Yang Xiao <92siuyang@...il.com>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        David Miller <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Steffen Klassert <steffen.klassert@...unet.com>
Subject: Re: [PATCH] ipv6: Prevent overrun when parsing v6 header options

On Fri, May 31, 2019 at 11:57 PM Eric Dumazet <eric.dumazet@...il.com> wrote:
>
>
>
> On 5/31/19 7:54 AM, Herbert Xu wrote:
> > On Fri, May 31, 2019 at 07:50:06AM -0700, Eric Dumazet wrote:
> >>
> >> What do you mean by should ?
> >>
> >> Are they currently already linearized before the function is called,
> >> or is it missing and a bug needs to be fixed ?
> >
> > AFAICS this is the code-path for locally generated outbound packets.
> > Under what circumstances can the IPv6 header be not in the head?
> >
> >
>
> I guess this means we had yet another random submission from Young Xiao :/

Excuse me, what do you mean about random submission from Young?
A month ago, I submitted the patch, and I was told that the format
should be correct.
Then, I resubmitted again.


>
> Thanks.
>