From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from imap.thunk.org ([74.207.234.97]:36672 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388815AbeG0VSC (ORCPT ); Fri, 27 Jul 2018 17:18:02 -0400 Date: Fri, 27 Jul 2018 15:54:16 -0400 From: "Theodore Y. Ts'o" To: Jann Horn Cc: salyzyn@google.com, Steven Rostedt , Nick Desaulniers , Golden_Miller83@protonmail.ch, Greg KH , Kees Cook , salyzyn@android.com, kernel list , Ingo Molnar , kernel-team@android.com, stable@vger.kernel.org, Kernel Hardening , Jeffrey Vander Stoep Subject: Re: [PATCH] tracing: do not leak kernel addresses Message-ID: <20180727195416.GF13922@thunk.org> References: <20180726181558.25a5c3b8@gandalf.local.home> <753E9YR1QhdsPhsFoYuXCwfUzfyntDrc_A93hMUkktMi7lbh3KUZMcbfqKVWUfi15zYhuiDFant-ROa4QNV5shx74ff4hGngq2BOJDv-hq4=@protonmail.ch> <20180727094730.3a448629@gandalf.local.home> <20180727143141.4b53d554@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: stable-owner@vger.kernel.org List-ID: More generally, stupid question, but does Android *really* need to have debugfs mounted? And if so, can we figure out what facilities that are needed and can we find some other way of meeting those requirements? - Ted