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Date: Tue, 31 Jul 2012 14:28:24 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: sshd crashing
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On Jul 30 17:49, Aleš wrote:
> 
> Hello,
> 
> I can confirm the issue. It's occurring after upgrade to 1.7.16 and seems to
> be limited to VMWare guests in my case. Any write attempt within the /etc
> directory causes sshd to crash. Other directories are fine.
> 
> uname -a before upgrade (sshd doens't crash):
> CYGWIN_NT-6.0-WOW64 dbs6 1.7.15(0.260/5/3) 2012-05-09 10:25 i686 Cygwin
> and after upgrade (sshd crashes):
> CyGWIN_NT-6.0-WOW64 dbs6 1.7.16(0.262/5/3) 2012-07-20 22:55 i686 Cygwin
> 
> 
> cygrunsrv -S sshd
> ssh localhost
> $ touch /etc/x
> Connection to localhost closed by remote host.
> Connection to localhost closed.
> 
> 
> A familiar message appears in the event log:
> service sshd failed: signal 11 raised 
> 
> The /etc/x file gets created in the example above. If running vim /etc/x
> instead, the  .x.swp file gets also created and a vim-nox.exe process keeps
> on living, taking all CPU resources till it's killed.
> 
> I have reproduced this on over ten machines running MS Server 2003 and 2008,
> all VMware guests.

I can reproduce this as well.  I also found the patch which introduced
the problem, but it's not clear yet, why.  Stay tuned.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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