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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F3C4C433EF for ; Thu, 17 Mar 2022 01:27:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1358394AbiCQB3H (ORCPT ); Wed, 16 Mar 2022 21:29:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1358296AbiCQB2x (ORCPT ); Wed, 16 Mar 2022 21:28:53 -0400 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85F111EC44 for ; Wed, 16 Mar 2022 18:27:07 -0700 (PDT) Received: by mail-ed1-x530.google.com with SMTP id r23so4880250edb.0 for ; Wed, 16 Mar 2022 18:27:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paul-moore-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=IwLQkBh4p0/MlSYiHpWT3LVO0kaAxEAmEy894o/lBAk=; b=QdGLAG/PyeyxYlxilJap5GzmvukNm9ZyaNle+oQe0mlud/4tIh33bGgDrnbfokq8TF F9vCY5oAoVAw27hbBDaVi10giHe9AaBACGopJfFZEWxXZ+JV5uCfLUV+/ThB1ed7KCQL BtJ6KCb32sqFuKw4m38aGiOIG0cIFsZfscm+r+ln3NZbj3+lJ8HF/Lr/aHFretDA3iCo SbKdB/Wvso3rIipXfznYMJXlw0iee767ymYRJOQJPJ9RmCtJp3KU9hazCS33LSbJzppD 0qpNvkPu8cAWp2XTC4m9y1SkYzQnGBm4ifo+EGKF58wtYT0q+BmjeKr/VDTu4EPe+M8x HuvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=IwLQkBh4p0/MlSYiHpWT3LVO0kaAxEAmEy894o/lBAk=; b=CEQZkdAGIf9kIeOS0OrE59pvmHmgcWNO07n5ZW2MqLSXB+Dl5niRGmxQeGAWKX+lq1 E3rWO4dM3shrixrO+hDqSp3uQquL4ozbgeIxx3I16jf/w3RDYByaYmVElONHuG3a6Yoj oJHftyF+bLNBog6b/HlsOLAdQhBMt/PKkD6oFjChDdAxaLs07Vw3QFCPVc3ychTLi4/r 1cT/sfLYB8acoN1HSa4ky4OfN2CC9bIoWfSmjyX2uOfWMwBFysavo0oWInIICLVVP2lD XsE/mKK6jCzEJSE2eIq4UQ2U3uv4bdRFyV/U6aAbic2rQZ32Sylex5gc9aPBkF3j6P+g OPqw== X-Gm-Message-State: AOAM532tnqMowJSKi8SNheYtmNuUQeW3l2J+CEprzIs+jYkGcVnD850d XK6HpXue3L9Z/E/GrDweuLXvTXcI2cOUPgp1qMr1 X-Google-Smtp-Source: ABdhPJwngiMDrHlrSoWnA729RQinXoUDLUX6Mk3PvLSB5d+1UKewSWcwwlpQVbmesK3RoQZPw/mnWOtGWK0iz+LG5iM= X-Received: by 2002:a05:6402:2552:b0:416:a745:9626 with SMTP id l18-20020a056402255200b00416a7459626mr2022463edb.405.1647480426068; Wed, 16 Mar 2022 18:27:06 -0700 (PDT) MIME-Version: 1.0 References: <20220221212522.320243-1-mic@digikod.net> <20220221212522.320243-9-mic@digikod.net> In-Reply-To: <20220221212522.320243-9-mic@digikod.net> From: Paul Moore Date: Wed, 16 Mar 2022 21:26:55 -0400 Message-ID: Subject: Re: [PATCH v1 08/11] samples/landlock: Add support for file reparenting To: =?UTF-8?B?TWlja2HDq2wgU2FsYcO8bg==?= Cc: James Morris , "Serge E . Hallyn" , Al Viro , Jann Horn , Kees Cook , Konstantin Meskhidze , Shuah Khan , linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, =?UTF-8?B?TWlja2HDq2wgU2FsYcO8bg==?= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 21, 2022 at 4:15 PM Micka=C3=ABl Sala=C3=BCn = wrote: > > From: Micka=C3=ABl Sala=C3=BCn > > Add LANDLOCK_ACCESS_FS_REFER to the "roughly write" access rights and > leverage the Landlock ABI version to only try to enforce it if it is > supported by the running kernel. > > Signed-off-by: Micka=C3=ABl Sala=C3=BCn > Link: https://lore.kernel.org/r/20220221212522.320243-9-mic@digikod.net > --- > samples/landlock/sandboxer.c | 37 +++++++++++++++++++++++++----------- > 1 file changed, 26 insertions(+), 11 deletions(-) Reviewed-by: Paul Moore -- paul-moore.com