From owner-freebsd-arm@FreeBSD.ORG  Wed Jul 24 00:27:53 2013
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Date: Tue, 23 Jul 2013 19:27:41 -0500
From: Diane Bruce <db@db.net>
To: Ganbold Tsagaankhuu <ganbold@gmail.com>
Subject: Re: SSHD crash
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On Tue, Jul 23, 2013 at 01:13:58PM +0800, Ganbold Tsagaankhuu wrote:
> On Tue, Jul 23, 2013 at 12:48 PM, Tim Kientzle <kientzle@freebsd.org> wrote:
> 
> > Hope to find time to dig into this later this week, but am seeing
> > a pretty consistent crash in sshd on BeagleBone Black with armv6:
> >
> > $ sshd -d
> > ?. connect from another machine ...
> > ?. usual connection messages, then ...
> > debug1: Local version string SSH-2.0-OpenSSH_6.2 FreeBSD-20130515
> > debug1: permanently_set_uid: 22/22 [preauth]
> > debug1: list_hostkey_types: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256 [preauth]
> > debug1: SSH2_MSG_KEXINIT sent [preauth]
> > debug1: SSH2_MSG_KEXINIT received [preauth]
> > <jemalloc>: jemalloc_arena.c:380: Failed assertion: "p[i] == 0"
> >
> 
> If I'm not mistaken I've seen this recently on mips board(Routerstation
> Pro) too.
> 
> Ganbold
> 
> 
> >
> > This is with SVN r253514
> >
> > Completely standard build except for the vm_map.c patch.
> >
> > Tim
> >

I have isolated it down to this option in sshd_config

UsePrivilegeSeparation no

not a fix but a workaround. I'll prod at it some more.


- Diane
-- 
- db@FreeBSD.org db@db.net http://www.db.net/~db