On Thu, Jul 18, 2013 at 08:47:09PM +0200, Fabian Bergmark wrote: > Im working on implementing UDP encapsulation of SCTP packages. > > I have tried to implement the encapsulation/decapsulation in a way > that is transparent to the logic of the current implementation. > > Currently I'am able to send and recieve data over localhost or over > intranet. However, when trying to communicate over NAT I ran in to > problems. Because of port remapping of the UDP source port I included > as a final step to update the source port of the SCTP header and > recalculate the checksum. > > This however, causes a kernel panic somewhere between receiving the > UDP packet and replying the INIT_ACK, that I am unable to understand. > Is there anything, besides the source port and checksum in the SCTP > header that needs to be updated? > > I have included a packet capture of the INIT-packages that causes the panic. > > As I am new to kernel development, general advice on how to debug this > issue is appreciated. > > -- Fabian Bergmark The backtrace of the panic would be useful here, please. Regards Neil -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html