Re: kernel/1816: Repetable crashes of ipfilter code

[Camiel Dobbelaar <dobbe@xs4all.nl>]

This can be reproduced on 2.7-stable with ipf 3.3.21 too.

--
Cam

> On Tue, 8 May 2001, Przemyslaw Frasunek wrote:
> 
> > On Tue, May 08, 2001 at 05:54:34AM -0000, venglin@freebsd.lublin.pl wrote:
> > > 	Sending ICMP ECHO with record route, directed to OpenBSD box
> > > 	with ipfilter enabled, causes 'panic: in_cksum: mp == NULL'.
> > 
> > I've noticed, that crash occurs only when record route packet is triggered
> > by rule containing return-icmp keyword. A simple workaround is to remove
> > return-icmp from rules which could match against ICMP packet.
> 
>