linux-kernel - Re: kernel >= 4.0: crashes when using traceroute6 with isatap

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Message-ID: <CAM_iQpWei83_pEoiDWKvHHaj02_D6WGEUHYfEJWM05-RuN3CEw@mail.gmail.com>
Date:	Wed, 6 May 2015 11:15:18 -0700
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Wolfgang Walter <linux@...m.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: kernel >= 4.0: crashes when using traceroute6 with isatap

(Cc'ing netdev.)

On Sat, May 2, 2015 at 5:29 AM, Wolfgang Walter <linux@...m.de> wrote:
> Am Samstag, 2. Mai 2015, 02:16:36 schrieb Wolfgang Walter:
>> Hello,
>>
>> kernel 4.0 (and 4.0.1) crashes immediately when I use traceroute6 with an
>> isatap-tunnel.
>
> I did some further tests. To trigger the crash you need
>
> * isatap-tunnel (probably any sit-tunnel will do it)
> * raw-socket
> * udp
>
> Using icmpv6 or tcp i.e. does not trigger it.
>

Do you have a script to reproduce it?


Thanks for the bug report!
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