From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758839Ab2ECVos (ORCPT ); Thu, 3 May 2012 17:44:48 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:56988 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754455Ab2ECVor (ORCPT ); Thu, 3 May 2012 17:44:47 -0400 Date: Thu, 3 May 2012 16:44:39 -0500 From: Tyler Hicks To: Sasha Levin Cc: Sasha Levin , dustin.kirkland@gazzang.com, Dave Jones , "linux-kernel@vger.kernel.org" , ecryptfs@vger.kernel.org Subject: Re: ecryptfs: Kernel BUG when closing device Message-ID: <20120503214439.GC16993@boyd> References: <1336024803.10945.5.camel@lappy> <20120503161736.GA16993@boyd> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="AkbCVLjbJ9qUtAXD" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --AkbCVLjbJ9qUtAXD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2012-05-03 18:22:01, Sasha Levin wrote: > On Thu, May 3, 2012 at 6:17 PM, Tyler Hicks wrote: > > On 2012-05-03 08:00:03, Sasha Levin wrote: > >> Hi all, > >> > >> After some fuzzing using trinity inside a KVM guest, I've stumbled on = the following: > > > > Hi Sasha - Thanks for reporting this issue. Is there any way to get > > trinity to reproduce this fuzzing sequence? >=20 > Hi Tyler, >=20 > Not really, since it's not the result of a single command it can't > recreate it easily. >=20 > On the other hand, I'd be happy to add any debugging ideas you have > into the tested kernel and attempt to recreate the issue. I appreciate the offer, but I was able to reproduce the issue pretty easily. Inherited and passed file descriptors of /dev/ecryptfs are not handled properly. I've opened this bug to track the resolution: https://launchpad.net/bugs/994247 Tyler --AkbCVLjbJ9qUtAXD Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBCgAGBQJPovxHAAoJENaSAD2qAscKR1EP/js/9xWND/LzZkF9cLnSzN8v 3nZsBUnmrTNlKAHfQFd3xhbeWWU3KDUYdAU7pLyx8sfAzOU6FnmT5Wp0Eqt0zNB6 BCznytieVpyCLsk5EwLTwhCFN9ZgmOfb03u0e4K1H69jGWYWMLa65lz81h8StH+w s3MuSFeQ54rD4YeWxrJ82NWlrw2POt24sP8+nlTonKec7hdW108YWLp/PY0Rqinp KDckw/UOjUP2mwwE5BpeOCxg8Qd3V9IEAQoUzkgQ0DLhSa9nknT53cF1DSyfCxGn E0vrv2PPeYChK/RSiPmcsuvpjjsUaWZqK3uksBT/iMCktmRnBuTIuHssNDv5yQoF XgDWDYRUaW8HbbzUfW6JZQq9+eMZRo4eRZGecAmtAxMoPTZ7lntffp1B3hWH36by JIHICZGaO5VyXkU4R8juFpDpXogHAFIGWn5HIZAISbqQkdgUcNu8NBcu6DTqLQw2 En1kvA65zt22m/dcpBXaOHmzuGl2CWMrr4ctFM9vZjk33z4xipVTsNpwNt8Xrj/u xi0yK5pVU00yNLZh0cT89LqVVitBBR0holP8ySe7cwlUtQSZy9yMf2rbaanfmKdj RHwKGN1dclFfUN6VwjkF4sb1GHF2KY3aHaIMrcQe/SVV1OKKcOVlIZcBvWzFDE7R IPyLu5GrogiNjIF1kt5J =ENfT -----END PGP SIGNATURE----- --AkbCVLjbJ9qUtAXD--