ipv6 multicast refcnt panic

[Andrew Thompson]

On Thu, Apr 12, 2007 at 09:43:44AM +0100, Bruce M. Simpson wrote:
> Andrew Thompson wrote:
> >I have come across this panic which appears to be from incorrect
> >refcounting on the inet6 multicast code.
> >  
> I'm assuming this is in -CURRENT, as the refcount code has not yet been 
> MFCed.
 
Yes sorry, a fresh current kernel.
 
> >in6m_refcount is still 1 so the in6_multi is not freed.
> 
> I'll try to investigate further as time permits. Thanks for pointing 
> this out, I suspect the same problem affects vlan and other nested cloners.

Cool. Its 100% reproducible for me so hopefully you will be able to
trigger the panic too.


Andrew