From owner-svn-src-all@freebsd.org  Sat Jan 30 09:12:54 2016
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From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To: Craig Rodrigues <rodrigc@FreeBSD.org>
Cc: "src-committers\@freebsd.org" <src-committers@freebsd.org>,
 "svn-src-all\@freebsd.org" <svn-src-all@freebsd.org>,
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Subject: Re: svn commit: r294315 - in vendor-crypto/openssh/dist: .
 contrib/redhat contrib/suse
References: <201601191010.u0JAAw3O039299@repo.freebsd.org>
 <CAG=rPVdGhnweO6PzvJY4Vx_CQP7Hu4k4BSWjFmxzHPG_qtzppQ@mail.gmail.com>
Date: Sat, 30 Jan 2016 10:02:58 +0100
In-Reply-To: <CAG=rPVdGhnweO6PzvJY4Vx_CQP7Hu4k4BSWjFmxzHPG_qtzppQ@mail.gmail.com>
 (Craig Rodrigues's message of "Fri, 29 Jan 2016 19:48:19 -0800")
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Craig Rodrigues <rodrigc@FreeBSD.org> writes:
> Performing sanity check on sshd configuration.
> Fssh_key_load_public: invalid format
> Could not load host key: /etc/ssh/ssh_host_rsa_key
> Could not load host key: /etc/ssh/ssh_host_dsa_key
> Fssh_key_load_public: invalid format
> Could not load host key: /etc/ssh/ssh_host_ecdsa_key
> Fssh_key_load_public: invalid format
> Could not load host key: /etc/ssh/ssh_host_ed25519_key
> Disabling protocol version 2. Could not load host key
> sshd: no hostkeys available -- exiting.
>
> [the host keys] seem to be all zeroes

Can you modify /etc/rc.d/sshd so it runs ssh-keygen under ktrace:

ktrace -f "$keyfile.tr" /usr/bin/ssh-keygen -q -t $alg -f "$keyfile" -N ""

then send me a tarball of /etc/ssh from the next VM that fails?

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no