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

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Message-ID: <1958390.Ugr57PpLDS@h2o.as.studentenwerk.mhn.de>
Date:	Sat, 02 May 2015 14:29:37 +0200
From:	Wolfgang Walter <linux@...m.de>
To:	linux-kernel@...r.kernel.org
Cc:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Subject: Re: kernel >= 4.0: crashes when using traceroute6 with isatap

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.

> 
> I took an image of the message I got. It is not complete as my vt has not
> enough lines.
> 
> 3.19.3 works fine.
> 
> Regards,

Regards,
-- 
Wolfgang Walter
Studentenwerk München
Anstalt des öffentlichen Rechts
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