Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754253AbdFWEnC (ORCPT ); Fri, 23 Jun 2017 00:43:02 -0400 Received: from mail-it0-f47.google.com ([209.85.214.47]:33919 "EHLO mail-it0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751107AbdFWEnA (ORCPT ); Fri, 23 Jun 2017 00:43:00 -0400 MIME-Version: 1.0 In-Reply-To: References: <20170622123045.GA2694@decadent.org.uk> <20170622124659.GE22510@1wt.eu> <1498136291.2655.24.camel@decadent.org.uk> <20170622135927.GA22684@1wt.eu> <1498140840.2655.28.camel@decadent.org.uk> <20170622143443.GA22690@1wt.eu> From: Linus Torvalds Date: Thu, 22 Jun 2017 21:42:58 -0700 X-Google-Sender-Auth: JsvHMeoI3b2usa_uRULt_xHebio Message-ID: Subject: Re: [vs-plain] Re: [PATCH] mm: larger stack guard gap, between vmas To: Andy Lutomirski Cc: Willy Tarreau , Ben Hutchings , Levente Polyak , Hugh Dickins , Oleg Nesterov , Michal Hocko , "Jason A. Donenfeld" , Rik van Riel , Larry Woodman , "Kirill A. Shutemov" , Tony Luck , "James E.J. Bottomley" , Helge Diller , James Hogan , Laura Abbott , Greg KH , "security@kernel.org" , linux-distros@vs.openwall.org, Qualys Security Advisory , stable , LKML 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: 544 Lines: 17 On Thu, Jun 22, 2017 at 8:10 PM, Andy Lutomirski wrote: > > Has anyone checked how grsecurity deals with this? I think they have > a large stack guard gap. Don't bother with grsecurity. Their approach has always been "we don't care if we break anything, we'll just claim it's because we're extra secure". The thing is a joke, and they are clowns. When they started talking about people taking advantage of them, I stopped trying to be polite about their bullshit. Their patches are pure garbage. Linus