Re: kern/54559: reproducable panic in routing cache code

[Ryota Ozaki <ozaki-r%netbsd.org@localhost>]

On Thu, Sep 19, 2019 at 8:35 PM <martin%netbsd.org@localhost> wrote:
>
> >Number:         54559
> >Category:       kern
> >Synopsis:       reproducable panic in routing cache code
> >Confidential:   no
> >Severity:       critical
> >Priority:       high
> >Responsible:    kern-bug-people
> >State:          open
> >Class:          sw-bug
> >Submitter-Id:   net
> >Arrival-Date:   Thu Sep 19 11:35:00 +0000 2019
> >Originator:     Martin Husemann
> >Release:        NetBSD 9.99.12
> >Organization:
> The NetBSD Foundation, Inc.
> >Environment:
> System: NetBSD space-truckin.duskware.de 9.99.12 NetBSD 9.99.12 (GENERIC) #7: Thu Sep 19 07:12:32 CEST 2019 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src/sys/arch/evbarm/compile/GENERIC evbarm
> Architecture: earmv7hfeb
> Machine: evbarm
> >Description:
>
> On a networked machine do:
>
>   cd /usr/tests/lib/libc/rpc && atf-run
>
> Watch the kernel die with:
>
> [ 8281.9339213] panic: kernel diagnostic assertion "ro->ro_sa != NULL || ro->_ro_rt == NULL" failed: file "../../../../net/route.h", line 481
> [ 8281.9490152] cpu0: Begin traceback...
> [ 8281.9490152] 0x9a7cbd8c: netbsd:db_panic+0x14
> [ 8281.9552516] 0x9a7cbda4: netbsd:vpanic+0x194
> [ 8281.9552516] 0x9a7cbdbc: netbsd:__aeabi_uldivmod
> [ 8281.9652559] 0x9a7cbdfc: netbsd:rtcache_lookup2+0x138
> [ 8281.9652559] 0x9a7cbeec: netbsd:ip6_input+0xb60
> [ 8281.9761998] 0x9a7cbf44: netbsd:ip6intr+0xa4
> [ 8281.9761998] 0x9a7cbfac: netbsd:softint_dispatch+0x120
> [ 8281.9871177] Bad frame pointer: 0x80b29f54
> [ 8281.9871177] cpu0: End traceback...

Can you try again with including ip6_input.c v1.211?
It should fix the panic.

Thanks,
  ozaki-r