From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f69.google.com (mail-wm0-f69.google.com [74.125.82.69]) by kanga.kvack.org (Postfix) with ESMTP id 4D3106B025F for ; Wed, 30 Aug 2017 09:27:44 -0400 (EDT) Received: by mail-wm0-f69.google.com with SMTP id t82so2317103wmd.10 for ; Wed, 30 Aug 2017 06:27:44 -0700 (PDT) Received: from mail-wm0-x231.google.com (mail-wm0-x231.google.com. [2a00:1450:400c:c09::231]) by mx.google.com with ESMTPS id c20si5756381ede.45.2017.08.30.06.27.42 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 30 Aug 2017 06:27:42 -0700 (PDT) Received: by mail-wm0-x231.google.com with SMTP id 187so1482631wmn.1 for ; Wed, 30 Aug 2017 06:27:42 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20170830095735.GB31503@amd> References: <20170816231458.2299-1-labbott@redhat.com> <20170816231458.2299-3-labbott@redhat.com> <20170817033148.ownsmbdzk2vhupme@thunk.org> <20170830095735.GB31503@amd> From: Nick Kralevich Date: Wed, 30 Aug 2017 06:27:40 -0700 Message-ID: Subject: Re: [kernel-hardening] Re: [PATCHv3 2/2] extract early boot entropy from the passed cmdline Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: Pavel Machek Cc: Theodore Ts'o , Laura Abbott , Kees Cook , Daniel Micay , kernel-hardening@lists.openwall.com, lkml , linux-mm@kvack.org, Andrew Morton On Wed, Aug 30, 2017 at 2:57 AM, Pavel Machek wrote: > The command line is visible to unpriviledged userspace (/proc/cmdline, > dmesg). Is that a problem? These files are not exposed to untrusted processes on Android. -- Nick Kralevich | Android Security | nnk@google.com | 650.214.4037 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org