crash with Unknown KMP message 300

[Nikos Mavrogiannopoulos]

On Tue, Feb 27, 2018 at 9:36 AM, David Woodhouse <dwmw2 at infradead.org> wrote:
> On Thu, 2018-01-11 at 10:44 +0000, Jerry van Kooten wrote:
>>
>> OpenConnect gives me these messages and then crashes:
>>
>>
>> Unrecognised data packet
>> Unknown KMP message 300 of size 1427:
>> RTNETLINK answers: No such process
>> RTNETLINK answers: No such process
>
> The 'Unrecognised data packet' message means that it wasn't either IPv6
> or Legacy IP; it was something else.
>
> I wonder if this might happen if there was an MTU issue and we got out
> of sync on a previous packet. Can you reproduce with '-v' and show the
> last output *including* the packet before this happens?

Could it be related to the discussion in "Re: MTU mismatch with 7.08
and "Unknown DTLS packet"? That is an issue on the oc protocol (and
there is a patch with a fix on that discussion).

regards,
Nikos