From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F01A6C43218 for ; Thu, 25 Apr 2019 19:46:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1BB86206BF for ; Thu, 25 Apr 2019 19:46:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730228AbfDYTqJ (ORCPT ); Thu, 25 Apr 2019 15:46:09 -0400 Received: from mx1.mailbox.org ([80.241.60.212]:28184 "EHLO mx1.mailbox.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726206AbfDYTqJ (ORCPT ); Thu, 25 Apr 2019 15:46:09 -0400 Received: from smtp2.mailbox.org (smtp2.mailbox.org [IPv6:2001:67c:2050:105:465:1:2:0]) (using TLSv1.2 with cipher ECDHE-RSA-CHACHA20-POLY1305 (256/256 bits)) (No client certificate requested) by mx1.mailbox.org (Postfix) with ESMTPS id 674304CF59; Thu, 25 Apr 2019 21:46:04 +0200 (CEST) X-Virus-Scanned: amavisd-new at heinlein-support.de Received: from smtp2.mailbox.org ([80.241.60.241]) by spamfilter06.heinlein-hosting.de (spamfilter06.heinlein-hosting.de [80.241.56.125]) (amavisd-new, port 10030) with ESMTP id 3e0jGezFJOCG; Thu, 25 Apr 2019 21:45:43 +0200 (CEST) Date: Fri, 26 Apr 2019 05:45:25 +1000 From: Aleksa Sarai To: Kees Cook Cc: Andy Lutomirski , Al Viro , Jeff Layton , "J. Bruce Fields" , Arnd Bergmann , David Howells , Eric Biederman , Jann Horn , Christian Brauner , David Drysdale , Tycho Andersen , Linux Containers , Linux FS Devel , Linux API , Andrew Morton , Alexei Starovoitov , Chanho Min , Oleg Nesterov , Aleksa Sarai , Linus Torvalds , LKML , linux-arch Subject: Re: [PATCH RESEND v5 0/5] namei: vfs flags to restrict path resolution Message-ID: <20190425194525.5d66uzfqfxmorx2n@yavin> References: <20190320143717.2523-1-cyphar@cyphar.com> <20190325130429.dbrgjxnvq3w5cpb3@yavin> <20190424153806.64qkkmkudzodxnz2@yavin> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="mgp24gaplbeperzh" Content-Disposition: inline In-Reply-To: <20190424153806.64qkkmkudzodxnz2@yavin> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --mgp24gaplbeperzh Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2019-04-25, Aleksa Sarai wrote: > On 2019-04-23, Kees Cook wrote: > > This series provides solutions to so many different race and confusion > > issues, I'd really like to see it land. What's the next step here? Is > > this planned to go directly to Linus for v5.2, or is it going to live > > in -mm for a while? I'd really like to see this moving forward. >=20 > Given some of the security requirements of this interface, I think > getting it to live in -mm wouldn't be a bad idea so folks can shake the > bugs out before it's depended on by container runtimes. Scratch my mention of -mm, it should be in Al's tree since it touches quite a few of the namei seqlocks. My point was that it should live in someone's tree for a little bit before it goes into a release. I will put together a PoC of a resolveat(2) variation of this series and re-send it out with both versions. --=20 Aleksa Sarai Senior Software Engineer (Containers) SUSE Linux GmbH --mgp24gaplbeperzh Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEb6Gz4/mhjNy+aiz1Snvnv3Dem58FAlzCDlUACgkQSnvnv3De m5+dTBAAkJaalB1ZAlNLaIBqNJeW7q7mu/h9lSLPEiXvdvYaaX7vsxdRP+qw733+ 70e5zLtSp63rWZ+C1qC+X29jPP6sqxoYIbSrufbpBGXFl0DqWh2bdibbyJ0OfMgl uWQRnlzgKF9OsdXWHUOe6vyaL5OrBYM27mgCZ0DRzOrULUbTcYn2C3iYFI6sIwwq 9i58pEVwTosNB48fvvmP97ANjZrdpIfovNCELQJL//uQTGTRIYc31lRn5bxJw31R kZAO9hv2khQZnBQmiB/AntAnYzAjOeaT1I2EgbO4eDXmb1VOzBlO7VzlkPDy34Wj EiyVktScI1Fr/ckbyQ2f0HJVXwYIE6Qh7kodot8ZY3BcYQUpptW6BTffvU7qqra8 LUScCOdgyOf4A3iTJM3/HdnWkTCOnbbwMHQf97sQlJN3+SnBelrz++bQ8d4Pnlci IXDQkTvaJPzmehd8iBEfqdoSb5H0ipxmIr1OZgdvBskQ1X3zRMhemSKfGU2umC7p Dt5qTpiuwmMdqN/mzb6rd/OQCiww3vHaPWn0cY9ppPQyaqn5M7vVd38B0sJ2RfRm n7ojrJ6Hrl3Tl30N0LXlS8EXTEF2gOFznn/beWig+SIoF1WRBX+YdD+N03h940C2 /D7ioE/0fOukT/9ZM4Aco28Y4b2GLI36jlmEFGSDRzzwuEtb4UU= =niPy -----END PGP SIGNATURE----- --mgp24gaplbeperzh--