panics on 6.3-RELEASE in IP stack

[Bruce M. Simpson]

John Baldwin wrote:
> On Monday 07 April 2008 12:16:53 pm Petr Holub wrote:
>   
>> Hi all,
>>
>> I started to play with RAT application (ports: mbone/rat + an SVN version)
>> and
>> it seems to crash my 6.3-RELEASE-p1 box in rather deterministic way. Crash
>> details are shown below. Has anyone seen a problem like this?
>>     
>
> Yes, there's an off-by-one reference count bug in the multicast stuff.

I concur, this fix should really be MFCed. The problem went away in 7.x 
due to a total rewrite. I am distracted by other stuff at the moment, 
so, starter's orders...

cheers
BMS