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

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

The following reply was made to PR kern/54559; it has been noted by GNATS.

From: Ryota Ozaki <ozaki-r%netbsd.org@localhost>
To: "gnats-bugs%NetBSD.org@localhost" <gnats-bugs%netbsd.org@localhost>
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/54559: reproducable panic in routing cache code
Date: Thu, 19 Sep 2019 20:58:12 +0900

 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