From owner-freebsd-hackers@FreeBSD.ORG  Sat Jan  6 00:06:33 2007
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
X-Original-To: freebsd-hackers@freebsd.org
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id D5BC216A47B;
	Sat,  6 Jan 2007 00:06:33 +0000 (UTC) (envelope-from ed@hoeg.nl)
Received: from palm.hoeg.nl (palm.hoeg.nl [83.98.131.212])
	by mx1.freebsd.org (Postfix) with ESMTP id 8FFC413C46B;
	Sat,  6 Jan 2007 00:06:33 +0000 (UTC) (envelope-from ed@hoeg.nl)
Received: by palm.hoeg.nl (Postfix, from userid 1000)
	id 98B391CC6E; Sat,  6 Jan 2007 01:06:32 +0100 (CET)
Date: Sat, 6 Jan 2007 01:06:32 +0100
From: Ed Schouten <ed@fxq.nl>
To: John Baldwin <jhb@freebsd.org>
Message-ID: <20070106000632.GA46094@hoeg.nl>
References: <20070104201434.GS1072@hoeg.nl>
	<200701051427.46146.jhb@freebsd.org>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="YiEDa0DAkWCtVeE4"
Content-Disposition: inline
In-Reply-To: <200701051427.46146.jhb@freebsd.org>
User-Agent: Mutt/1.5.13 (2006-08-11)
X-Mailman-Approved-At: Sat, 06 Jan 2007 02:35:17 +0000
Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org>, philippe.lang@attiksystem.ch,
	bug-followup@freebsd.org
Subject: Re: kern/89528: [jail] impossible to kill a jail
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 06 Jan 2007 00:06:33 -0000


--YiEDa0DAkWCtVeE4
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

* John Baldwin <jhb@freebsd.org> wrote:
> Why aren't the pty's destroyed?  Once all references to the pty are close=
d it =20
> should be destroyed and the resulting devfs_free() should drop the refere=
nce.
> Is the pty somehow stuck on the dead_cdevsw?

Ouch! I found a comment in tty_pty.c that it doesn't deallocate pty's
anymore. Not a single destroy_dev() is called by tty_pty.c. This means
the FreeBSD kernel leaks a lot of cdev's and thus ucred's and my patch
is working around another bug.

Yours,
--=20
 Ed Schouten <ed@fxq.nl>
 WWW: http://g-rave.nl/

--YiEDa0DAkWCtVeE4
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (FreeBSD)

iD8DBQFFnugI52SDGA2eCwURAggEAJsF9WpUHCnKZaGvtoGp45MFTZRbDwCfexxV
UAdEvGoYVyK0gLlbI+8p8VU=
=Uo2h
-----END PGP SIGNATURE-----

--YiEDa0DAkWCtVeE4--