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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL autolearn=no 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 2E615C433E0 for ; Wed, 20 Jan 2021 16:49:22 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 97AE1233F7 for ; Wed, 20 Jan 2021 16:49:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 97AE1233F7 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E93CD6B0005; Wed, 20 Jan 2021 11:49:20 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E44F06B0006; Wed, 20 Jan 2021 11:49:20 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D31D96B0007; Wed, 20 Jan 2021 11:49:20 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0044.hostedemail.com [216.40.44.44]) by kanga.kvack.org (Postfix) with ESMTP id B3F496B0005 for ; Wed, 20 Jan 2021 11:49:20 -0500 (EST) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 674A2181AEF3E for ; Wed, 20 Jan 2021 16:49:20 +0000 (UTC) X-FDA: 77726738880.23.trees89_290f9992755c Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin23.hostedemail.com (Postfix) with ESMTP id 45A6B37608 for ; Wed, 20 Jan 2021 16:49:20 +0000 (UTC) X-HE-Tag: trees89_290f9992755c X-Filterd-Recvd-Size: 3912 Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) by imf50.hostedemail.com (Postfix) with ESMTP for ; Wed, 20 Jan 2021 16:49:19 +0000 (UTC) Received: by mail-wm1-f43.google.com with SMTP id u14so3424112wmq.4 for ; Wed, 20 Jan 2021 08:49:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=DUDg6TphmanEAstHgN26xAlXogE8/4FgyIPvwhmL7gs=; b=pghiOVPTDppHJ45SSMy2+CHFk9YLriSho7mdmM71ABsaxcBoFv3ja6EEAbJkf5fut1 moGYip9Q1qdPy8y4PyQmDoI8F3NhweKRHJyYT6RVMgzcirgaWmSM2g7Hs1eCsPvVeqAQ Q9Tap+PfCVJTLJbmIpzQsMDcH4Pgt/9Wg0ut+dezxUd9sU7NI39nu5yftOWPfdjqtC5o f8/TLGh5A3BMY9NwmgGHwE0aiRnk3zEm2KI4zvQhwSbTeZrQvRDJIpVhtw+/fplBTQCo lSpsQygOwAoS1thaJoWKph0ap8WwR3uWeNh6HyM4d1PFoC0cpEZpkxM70rPlvlgCBYPK oAUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=DUDg6TphmanEAstHgN26xAlXogE8/4FgyIPvwhmL7gs=; b=oDB23D8INzed02712GlG1pyPT/i8ONw0kafImtdfuBdBNK2WqVK7WSQdxzk3E7QWNO MExlasbpqgCioZuVmaxiw7vBBM3IsyTg9FSJP3w9kGhkAO4+UXhmyl9JAxW2SsyF0CKV 1H1dO+lmYZSZj+pjFrsKstjRZNCmbI6S3uu4N5uP+q3IE7calAUQgoZ84pgy80n5QF6U pdwt+GKX7UyEa7peAdWtWIYhJUhats5eI/Nmo2jtgSW4Be8nlA0HRrlV3LWvH4s2u0lz J2UkLDc+EfofaMHOGXo5Eo0HAsQM8oRmaOTEAiTTLEkPIVvULSQFSQ/pYVQ2b+Xuw+MO +VKA== X-Gm-Message-State: AOAM532fn0hqktRskt+j230ai2y53nVpHHliXLYFhNhdqPFZ2dsU6eW6 Uaw7F1TDeQyuKBmryEJxcBlvNq1+GhAzr94Q+NSC+A== X-Google-Smtp-Source: ABdhPJz0wZLMLD+76EyvUtDPstR+U0u7fb1/8zCKqlM+va0UuR2w0QT0/wXXhaj0lNefqt31Z564snWdZ0DTedYcOUo= X-Received: by 2002:a05:600c:4e92:: with SMTP id f18mr5148677wmq.126.1611161358342; Wed, 20 Jan 2021 08:49:18 -0800 (PST) MIME-Version: 1.0 References: <20210111170622.2613577-1-surenb@google.com> In-Reply-To: From: Suren Baghdasaryan Date: Wed, 20 Jan 2021 08:49:07 -0800 Message-ID: Subject: Re: [PATCH v2 1/1] mm/madvise: replace ptrace attach requirement for process_madvise To: James Morris Cc: Andrew Morton , Jann Horn , Kees Cook , Jeffrey Vander Stoep , Minchan Kim , Michal Hocko , Shakeel Butt , David Rientjes , =?UTF-8?Q?Edgar_Arriaga_Garc=C3=ADa?= , Tim Murray , linux-mm , selinux@vger.kernel.org, Linux API , LKML , kernel-team , linux-security-module@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Jan 19, 2021 at 9:02 PM James Morris wrote: > > On Mon, 11 Jan 2021, Suren Baghdasaryan wrote: > > > Replace PTRACE_MODE_ATTACH with a combination of PTRACE_MODE_READ > > and CAP_SYS_NICE. PTRACE_MODE_READ to prevent leaking ASLR metadata > > and CAP_SYS_NICE for influencing process performance. > > > Almost missed these -- please cc the LSM mailing list when modifying > capabilities or other LSM-related things. Thanks for the note. Will definitely include it when sending the next version. > > -- > James Morris > > > -- > To unsubscribe from this group and stop receiving emails from it, send an email to kernel-team+unsubscribe@android.com. >