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Date: Sat, 19 Apr 2014 13:32:59 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: "Bad Address" response to many net tools after updating cygwin x86_64 1.7.29
Message-ID: <20140419113259.GH16638@calimero.vinschen.de>
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On Apr 19 20:18, repudi8or repu wrote:
> I decided to update my cygwin x86_64 environment a few days back out
> of concern about the openssh heartbleed bug.
>=20
> Since that time most of my network tools no longer work as expected,
> reporting "Bad address" as the failure reason
>=20
> Here are some samples:-
>=20
> rep@WinServer:~$ ping 192.168.1.1
> -bash: /cygdrive/c/Windows/system32/ping: Bad address
> rep@WinServer:~$ which ping
> /cygdrive/c/Windows/system32/ping
> rep@WinServer:~$ file /cygdrive/c/Windows/system32/ping
> /cygdrive/c/Windows/system32/ping: PE32+ executable (console) x86-64,
> for MS Windows
>=20
> rep@WinServer:~$ netstat -na
> -bash: /cygdrive/c/Windows/system32/netstat: Bad address
> rep@WinServer:~$ which netstat
> /cygdrive/c/Windows/system32/netstat
> rep@WinServer:~$ file /cygdrive/c/Windows/system32/netstat
> /cygdrive/c/Windows/system32/netstat: PE32+ executable (console)
> x86-64, for MS Windows
>=20
> rep@WinServer:~$ wget www.google.com
> --2014-04-19 20:03:25--  http://www.google.com/
> Resolving www.google.com (www.google.com)... failed: Bad address.
> wget: unable to resolve host address =E2=80=98www.google.com=E2=80=99
>=20
> and so on and so forth. Did some googling of the error, nothing recent
> that seems immediately obvious. The same tools work ok from windows
> command prompt.
>=20
> rep@WinServer:~$ uname -a
> CYGWIN_NT-6.1 WinServer 1.7.29(0.272/5/3) 2014-04-07 13:46 x86_64 Cygwin

All your examples work fine for me using the same DLL:

  $ uname -a
  CYGWIN_NT-6.3 vmbert8164 1.7.29(0.272/5/3) 2014-04-07 13:46 x86_64 Cygwin

> Any suggestions how i can track down / fix whatever is going wrong here ?

That looks certainly like a local problem, maybe a BLODA:
http://cygwin.com/faq/faq.html#faq.using.bloda.  Did you update more
than just Cygwin, by any chance?  Do the Windows event logs show
something?  Alternatively, maybe something broke during update.
Reinstalling Cygwin might fix this.  Or rebasing.  You could also try if
a recent snapshot of the Cygwin DLL helps since there was a change in
exception handling: http://cygwin.com/snapshots/


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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