From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67D46C433DF for ; Wed, 13 May 2020 21:50:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6779020575 for ; Wed, 13 May 2020 21:50:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729893AbgEMVuJ (ORCPT ); Wed, 13 May 2020 17:50:09 -0400 Received: from mout.kundenserver.de ([217.72.192.73]:36723 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729487AbgEMVuI (ORCPT ); Wed, 13 May 2020 17:50:08 -0400 Received: from mail-qv1-f54.google.com ([209.85.219.54]) by mrelayeu.kundenserver.de (mreue108 [212.227.15.145]) with ESMTPSA (Nemesis) id 1MbRbr-1ixzYF26Z7-00bqgH; Wed, 13 May 2020 23:50:06 +0200 Received: by mail-qv1-f54.google.com with SMTP id ee19so687688qvb.11; Wed, 13 May 2020 14:50:06 -0700 (PDT) X-Gm-Message-State: AOAM531JAEN9kSOOT1Y1baGa3r4pXSpQxM3vbmLSiwXKY1sseErZos0/ szpHAOjmK/PoYhEmkoU4y5YmUzsnfQ3Db0WCQcU= X-Google-Smtp-Source: ABdhPJxu6IOeZhVVTBpAnf6wMcH+LrEESP7lfvaexyVk2mxPcafnnpFLiQtV6YqpD7k1w+UdsGU8e7ppGk9I/merpdo= X-Received: by 2002:a0c:eb11:: with SMTP id j17mr1706535qvp.197.1589406605322; Wed, 13 May 2020 14:50:05 -0700 (PDT) MIME-Version: 1.0 References: <20200509120707.188595-1-arnd@arndb.de> <20200509120707.188595-2-arnd@arndb.de> <87v9l24qz6.fsf@kamboji.qca.qualcomm.com> <87r1vq4qev.fsf@kamboji.qca.qualcomm.com> <87d078tjl0.fsf_-_@kamboji.qca.qualcomm.com> <20200513154847.GA158356@rani.riverdale.lan> <20200513214128.GB6733@zn.tnic> In-Reply-To: <20200513214128.GB6733@zn.tnic> From: Arnd Bergmann Date: Wed, 13 May 2020 23:49:49 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: gcc-10: kernel stack is corrupted and fails to boot To: Borislav Petkov Cc: Arvind Sankar , Kalle Valo , linux-wireless , "linux-kernel@vger.kernel.org" , Linus Torvalds , "the arch/x86 maintainers" , Nick Desaulniers , Kees Cook , Thomas Gleixner Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:ObwVCSlB/YIwv/A8inaMufMiam7thFJq82AUznYSpJ74m2HOXz7 TcPAdoPZ7qyhsM2nd0SmTXxwQvPlXdZoZTnC7dJekeqFSJ2a7ZD8hVIpnHP2khbHU+8gsK0 YjZl0nAkqb/Jx8vEs0h8ucVVZlIrfIMBBkcp1fc4MozTwaO66Tkj25v7tZh7+e+J7vPkZjk ggoxlgoCpekurLCQI7PYA== X-UI-Out-Filterresults: notjunk:1;V03:K0:tDehfZeI1xE=:qrAs+11EYEgqXNdleolY3D xku0pVmWpaS80lOiusVPe/MyQGiBkiCjhQbqUKlGnweUiCpQ4AQVAzmaxytZhWhrA6sT18A0C CVC0FRTMiP+LPFSx3wDDOnReKHd7EVLSUvRDdiRyEUAI2V7etT18DyeeBIq33hh176X/AOKGx q4t2DV8xAHNWXk+UES7Qxz7f0dfwyO5tA9N+5UeQPX5pvl1wCNGb8wurOfiPx740RWGXmVKGD SaADQUk4MWogCRgz48RYAArbnUhpgDX7pZpmFQvditqVYEveu9l6UIT4/xVMHTI54lLv8R3NT Rfyj1lLjPFy1nz3JOyrcdiwmMt47803sarE8HwYN069k5xTVFCq2Bihyoyr3p5uImBmwAqCsx 1l4SwRoF3ITvH2TTxvs+nQZ5gEFIP+rXYOqUkt7fbF6zglQyWMtzcrDlgdo/vOczJdPJquMTg CxZfMs7SLc0uTfKKbTgSnAJOW2qUj4p0/aof10Gl2hAz28npbEqPKmU3oCMB+dFSvANk7BrLI DUz3LksPzkGSg1Z8g7kBOumU9DWtAVZBvjRXz6xi1ZFcRDbnIzUYacv7thXt6Zodro3vthK7y z6S3t9qQq80kKnpIIKSqeo7YI85bDZuG2YJg8poDQb7E9lMWiWzRbJ/uaUP4TeOWlfp/Ccy6r PT2yZ2tJOvr2OJ2C5BBF+fKvsaCfNdFB3X4PA4Vk5sH7Vkh51z3fxVRuVYIqKGv1dlaUrE/BQ TSbKcZzVxTaYIgr5XYVXhW+/6mTCPkhGq5kUN3GzFQF7LnurwM3hD38j2+CjnJpkV3u5Bzli1 UzGx6I83Rxfu69yh2IyVJyTQWNu4W1lopWJMkG0qxXuSb/YzU0= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 13, 2020 at 11:41 PM Borislav Petkov wrote: > > On Wed, May 13, 2020 at 11:28:09PM +0200, Arnd Bergmann wrote: > > I see the patch in linux-next but not in mainline. I suppose we want > > it in v5.7 and backported to stable kernels so they can boot when > > built with gcc-10? > > It is queued for 5.8. For a good reason, if you read the whole thread > Arvind pointed you to. > > Lemme guess: gcc10 got released in the meantime (hohumm, website says > so) and so we probably should expedite this and send it to Linus now...? Right, in particular since Linus started building with gcc-10 already and would likely soon run into that problem if he hasn't already ;-) Arnd