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Re: bind() broken for AF_UNIX in chroots

From: Michael Banck
Subject: Re: bind() broken for AF_UNIX in chroots
Date: Fri, 29 Jun 2007 13:40:55 +0200
User-agent: Mutt/1.5.13 (2006-08-11)


On Fri, Jun 29, 2007 at 01:30:37PM +0200, olafBuddenhagen@gmx.net wrote:
> On Fri, Jun 29, 2007 at 03:00:54AM +0200, Michael Banck wrote:
> > The following program works fine in a real installation, but fails with
> > EADDRNOTAVAIL if run in a chroot:
> I think I get the same effect: Running it the first time (non-chrooted
> Linux or Hurd) works; second run always gets "address already in use".
> Same for "chroot /". chroot to another partition gives "address not
> available" on first run, and again "address already in use" on later
> runs.

That is EADDRINUSE and is expected if the socket already exists (so
you'd need to rm /tmp/foo in my example, or modify it to unlink the file

The human readable error you get when running in a chroot is 'Cannot
assign requested address' when /tmp/foo does not exists (otherwise
you'll get EADDRINUSE as well), having /tmp/foo in the main root or not
does not matter in this case.

Sorry for being unclear,


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