From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f72.google.com (mail-oi0-f72.google.com [209.85.218.72]) by kanga.kvack.org (Postfix) with ESMTP id 0A11F6B02F3 for ; Mon, 7 Aug 2017 14:59:12 -0400 (EDT) Received: by mail-oi0-f72.google.com with SMTP id x3so965110oia.8 for ; Mon, 07 Aug 2017 11:59:12 -0700 (PDT) Received: from mail-it0-x230.google.com (mail-it0-x230.google.com. [2607:f8b0:4001:c0b::230]) by mx.google.com with ESMTPS id j6si5425373oib.186.2017.08.07.11.59.11 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Aug 2017 11:59:11 -0700 (PDT) Received: by mail-it0-x230.google.com with SMTP id m34so7728566iti.1 for ; Mon, 07 Aug 2017 11:59:11 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <1502131739.1803.12.camel@gmail.com> From: Kees Cook Date: Mon, 7 Aug 2017 11:59:09 -0700 Message-ID: Subject: Re: binfmt_elf: use ELF_ET_DYN_BASE only for PIE breaks asan Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: Kostya Serebryany Cc: Daniel Micay , Dmitry Vyukov , Michal Hocko , Andrew Morton , "linux-mm@kvack.org" , Rik van Riel , Reid Kleckner , Peter Collingbourne , Evgeniy Stepanov On Mon, Aug 7, 2017 at 11:56 AM, Kostya Serebryany wrote: > Is it possible to implement some userspace<=>kernel interface that will > allow applications (sanitizers) > to request *fixed* address ranges from the kernel at startup (so that the > kernel couldn't refuse)? Wouldn't building non-PIE accomplish this? -Kees -- Kees Cook Pixel Security -- 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