openssh-portable segmentation faults

Dewayne Geraghty dewayne.geraghty at heuristicsystems.com.au
Thu Feb 7 21:16:07 UTC 2013



> -----Original Message-----
> From: Bryan Drewery [mailto:bdrewery at FreeBSD.org] 
> Sent: Friday, 8 February 2013 1:00 AM
> To: Dewayne
> Cc: ports at FreeBSD.org
> Subject: Re: openssh-portable segmentation faults
> 
> On 2/7/2013 5:59 AM, Dewayne wrote:
> > Would it be possible if someone with a FreeBSD 9.1Stable 
> system built after 2-Feb could build and run openssh-portable.
> > 
> 
> For what it's worth, I am planning to upgrade this very soon 
> to a newer release.
> 
> I haven't seen these general crashes yet. A debug trace would 
> be great.
> 
> > Segmentation faults are occurring with both ssh, and sshd 
> built today on both i386 and amd64 machines.
> > 
> > A portsnap was performed and built all ports on 4-Feb. The openssh 
> > issue was picked up during pre-deployment testing. We then 
> performed another portsnap, which updated openssl, hence the 
> openssl 1.0.1.d below; it also failed using 1.0.1c.
> > 
> > Starting from the default options, each option was turned 
> off, and rebuilt until there was only one option OVERWRITE_BASE=on.
> > 
> > Other info:
> > # ldd `which ssh`
> > /usr/bin/ssh:
> >  libcrypto.so.8 => /usr/lib/libcrypto.so.8 (0x280bb000)
> >  libutil.so.9 => /lib/libutil.so.9 (0x2823d000)
> >  libz.so.6 => /lib/libz.so.6 (0x28250000)
> >  libcrypt.so.5 => /lib/libcrypt.so.5 (0x28264000)
> >  libthr.so.3 => /lib/libthr.so.3 (0x28289000)
> >  libc.so.7 => /lib/libc.so.7 (0x282a9000)
> > 
> > # ll /usr/bin/ssh
> > -rwxr-xr-x  1 root  wheel  347136 Feb  7 22:37 /usr/bin/ssh
> > 
> > Example:
> > # /usr/bin/ssh -vvv localhost
> > OpenSSH_5.8p2-hpn13v11 FreeBSD-openssh-portable-5.8.p2_3,1, OpenSSL 
> > 1.0.1d 5 Feb 2013 Segmentation fault (core dumped)
> > 
> > # /usr/sbin/sshd
> > Segmentation fault
> > 
> > Regards, Dewayne.
> > 
> 
> --
> Regards,
> Bryan Drewery
> bdrewery at freenode/EFNet
> 
>
Bryan, Dimitry,
Thank-you for your interest.
Unfortunately we have no debugging tools on any of the machines. I'll build one today and reproduce.
Regards, Dewayne.



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