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 15C0BC433DB for ; Wed, 20 Jan 2021 16:50:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D411D233EB for ; Wed, 20 Jan 2021 16:50:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404032AbhATQuH (ORCPT ); Wed, 20 Jan 2021 11:50:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404019AbhATQuA (ORCPT ); Wed, 20 Jan 2021 11:50:00 -0500 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF00CC0613D3 for ; Wed, 20 Jan 2021 08:49:19 -0800 (PST) Received: by mail-wm1-x333.google.com with SMTP id e15so3447051wme.0 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=HLVJjLmL6i7KqBdKHCtNBfLg9UrXyLZ+tOY2HKp4008RD1oW935WGaUMepo1Q/stBg qxG/u2ryqi4Iq4sApYeVMyvY0eQFGyv+x+kRmbdOJDv2ADyq6uV/s+xSmY+n0Kxftn9P HMdhyTch0E6wx4DrTWmaZLRyARgQhLFQM166oiYQtR0Rp8O8KfgnhCAuDynX9HFHLGbf 5y3RzFP0uBVBmhphwAYYad8VMm2u1y4kbcviXYCt3fFRr03AxztICwTb6XTP1n8edd1D mNKpXVZZveRbMC12/yLrv0hoLq6N+6Ak4ViailrO5Ale3lfk0eh1+VFpg80gTA5Y2+Zo c5Fg== X-Gm-Message-State: AOAM532C3QAjzdPI4Og5vMo4cPSL+4ahyy42M7TOnenZ3SSX3YGylwAB VCtr1B4EbZAY4z+ZrlP996NCmCMbisvJuIv4oYOYgw== 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" Precedence: bulk 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. >