broken stack trace (Was: carp kernel trap)

Btw, Yar, while working on this panic I noticed the trace is not
correct.  gdb shows sin=0x0 but oviously it is not.  Any ideas why?

> #12 0xc054733a in carp_set_addr (sc=0xc115bc00, sin=0x0) at ../../../netinet/ip_carp.c:1439
>         ifp = (struct ifnet *) 0xc1291000
>         cif = (struct carp_if *) 0x6b5
>         ia = (struct in_ifaddr *) 0xc12a4500
>         ia_if = (struct in_ifaddr *) 0xc1291000
>         imo = (struct ip_moptions *) 0xc115bc0c
>         addr = {s_addr = 301990112}
>         iaddr = 3239427084
>         own = 0
>         error = -1066976812

-- 
Maxim Konovalov