Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753807AbdCHWgt (ORCPT ); Wed, 8 Mar 2017 17:36:49 -0500 Received: from mail-it0-f50.google.com ([209.85.214.50]:35502 "EHLO mail-it0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751262AbdCHWgq (ORCPT ); Wed, 8 Mar 2017 17:36:46 -0500 MIME-Version: 1.0 In-Reply-To: <58C08535.3070000@iogearbox.net> References: <20170301125426.l4nf65rx4wahohyl@wfg-t540p.sh.intel.com> <20170302202338.ci6wwb3yzjmdy4n2@wfg-t540p.sh.intel.com> <58B88353.2010508@iogearbox.net> <58C08535.3070000@iogearbox.net> From: Kees Cook Date: Wed, 8 Mar 2017 14:36:04 -0800 X-Google-Sender-Auth: 7aNrIJQfBC-3Qicx2La1Vnm9ym0 Message-ID: Subject: Re: [net/bpf] 3051bf36c2 BUG: unable to handle kernel paging request at 0000a7cf To: Daniel Borkmann Cc: Linus Torvalds , Thomas Gleixner , Ingo Molnar , Peter Anvin , Fengguang Wu , Network Development , LKML , LKP , ast@fb.com, "the arch/x86 maintainers" , Laura Abbott , "David S. Miller" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 388 Lines: 13 On Wed, Mar 8, 2017 at 2:27 PM, Daniel Borkmann wrote: > [ 28.474232] rodata_test: test data was not read only > [...] In my tests so far, I've never been able to get rodata_test to fail (Qemu 2.5.0, Ubuntu). I'll retry with your .config and see if I can recheck under Qemu 2.7.1. Do you see these failures on real hardware? -Kees -- Kees Cook Pixel Security