From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965005AbdLRXnb (ORCPT ); Mon, 18 Dec 2017 18:43:31 -0500 Received: from mail.kernel.org ([198.145.29.99]:40418 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934965AbdLRXn2 (ORCPT ); Mon, 18 Dec 2017 18:43:28 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E8B1421879 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=rostedt@goodmis.org Date: Mon, 18 Dec 2017 18:43:24 -0500 From: Steven Rostedt To: "Tobin C. Harding" Cc: Felix Fietkau , kernel-hardening@lists.openwall.com, Tycho Andersen , Linus Torvalds , Kees Cook , Andrew Morton , Daniel Borkmann , Masahiro Yamada , Alexei Starovoitov , linux-kernel@vger.kernel.org, Network Development Subject: Re: [PATCH 1/3] kallsyms: don't leak address when symbol not found Message-ID: <20171218184324.527ffd0e@gandalf.local.home> In-Reply-To: <1513636889.2482269.1209330464.6971721E@webmail.messagingengine.com> References: <1513554812-13014-1-git-send-email-me@tobin.cc> <1513554812-13014-2-git-send-email-me@tobin.cc> <5b86abe3-2c9d-1396-777d-a5a8f19555ef@nbd.name> <1513636889.2482269.1209330464.6971721E@webmail.messagingengine.com> X-Mailer: Claws Mail 3.14.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 19 Dec 2017 09:41:29 +1100 "Tobin C. Harding" wrote: > Current suggestion on list is to remove this function. Do you have a use > case in mind where debugging will break? We could add a fix to this > series if so. Otherwise next version will likely drop > string_is_no_symbol() What about adding a kernel command line parameter that lets one put back the old behavior. "insecure_print_all_symbols" ? -- Steve