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SubjectRe: kernel >= 4.0: crashes when using traceroute6 with isatap
Date
Am Mittwoch, 6. Mai 2015, 12:10:00 schrieb Eric Dumazet:
> On Wed, 2015-05-06 at 11:15 -0700, Cong Wang wrote:
> > (Cc'ing netdev.)
> >
> > On Sat, May 2, 2015 at 5:29 AM, Wolfgang Walter <linux@stwm.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!
> > --
>
> Please Wolfgang try to revert 32dce968dd987adfb0c00946d78dad9154f64759
> ("ipv6: Allow for partial checksums on non-ufo packets")

Indeed, that fixes the problem.

Regards
--
Wolfgang Walter
Studentenwerk München
Anstalt des öffentlichen Rechts


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