untarring symlinks with ../ fails randomly

Corinna Vinschen corinna-cygwin@cygwin.com
Thu Jun 30 15:26:00 GMT 2011

On Jun 30 11:05, Ken Brown wrote:
> On 6/30/2011 9:37 AM, Corinna Vinschen wrote:
> >On Jun 30 14:43, Wolf Geldmacher wrote:
> >>Dear all,
> >>
> >>just joining after being hit by an obviously known issue:
> >>
> >>Running tar (in my case to extract openssl-0.9.8r.tar.gz) results in
> >>symbolic links being randomly substituted by zero length mode 0 files as
> >>described in http://sourceware.org/ml/cygwin/2011-04/msg00299.html.
> >>
> >>For me this happens on both Windows 7 and Windows Server 2008.
> >>
> >>The interesting (new?) tidbit:
> >>
> >>In sheer desparation I downgraded from cygwin1.dll/ to
> >>cygwin1.ddl/ via setup.exe and the issue seems to be gone.
> >>
> >>As this is the only change I made: Is it possible that the problem is
> >>not an issue with tar (as discussed on the mailing list) but in fact a
> >>regression in cygwin1.dll?
> >
> >I never saw this happen.  Therefore, somebody actually seeing this
> >problem has to debug it.  The least I need is an strace.
> I'm not sure it needs further debugging.  The patch to tar given in
>   http://cygwin.com/ml/cygwin/2011-04/msg00385.html
> solves the problem.  Eric said (in the next message) that he will
> apply this to the next release of tar.  In the meantime, it's easy
> to download the tar source, apply the patch, and rebuild.

Thanks for the reminder.  That's one problem less to worry about :}


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

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