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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1498CC433F5 for ; Thu, 24 Feb 2022 16:33:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229836AbiBXQeS (ORCPT ); Thu, 24 Feb 2022 11:34:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229770AbiBXQeQ (ORCPT ); Thu, 24 Feb 2022 11:34:16 -0500 Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 465E81B6E34 for ; Thu, 24 Feb 2022 08:33:45 -0800 (PST) Received: by mail-pl1-x632.google.com with SMTP id e13so2204062plh.3 for ; Thu, 24 Feb 2022 08:33:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=hicd0tEo/b5LFaXhDInEJPUGfqEVOu+qbFlSudecvJ0=; b=fS9MOKL7PnyGYGUrEHm1W+CpwJy2baJ8/5LJyKMcAWjsJZogmHWVaUfDGQuZCkd8vP VK4ExEycU276xQ5S+kmUK8IVGZL9LtAPjVeyyI9yS6uqvs2uoRZiC/eOJqe8Vq9b+uvP xc4ZlO8+so2JceflzyF2iPU8/gIQZX3lFz5Ts= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=hicd0tEo/b5LFaXhDInEJPUGfqEVOu+qbFlSudecvJ0=; b=eijxj0gTFDWiq8SBIYyNa4sSMD3BnnyhJ1KSvKVA/tRjZg1ZAwyJm+9692JHQfJZBa CD/ZyzkB5K6poQPENrWB9Vn7GrQz2YIevdIDrBmADm3mcJZxkIB4LvFkBsGyFJ/WWXf4 MRHnDSXz63PFIhEiBTmMPQ85p3TCwcjbmrAE9KhouWTaBFZ5rvTZxeLFDwFw+AKT7lMs 3s8A/PF+m4ECCtxDSSv/DRJE2iZyUngpODfeTekyFlFzjSRj74SNXGbH5j2EWTLb5HHb 8ExaOZHU+a7cgOT21HqazcU7J4Pgghtl9B6jF5vfB40+CgA+v6GO5/zgos1j+Uvu3/br uK+g== X-Gm-Message-State: AOAM532XJBlBA0e5pHlU0atcFFq3ESuih3XNmfG+SBfrYASmY1PavxW6 MTC/vD6DAmox/neZhhWMJSUYcw== X-Google-Smtp-Source: ABdhPJyWX2X03NpVP7OG9tb3/bOJYzu9SCAwlXij7cTFtfwKtKMcQhac3eTOvjUxx32AVPETPTB7Vw== X-Received: by 2002:a17:902:e80c:b0:14f:f95c:41ee with SMTP id u12-20020a170902e80c00b0014ff95c41eemr3140315plg.31.1645720424809; Thu, 24 Feb 2022 08:33:44 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id 19sm3998951pfz.153.2022.02.24.08.33.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Feb 2022 08:33:44 -0800 (PST) Date: Thu, 24 Feb 2022 08:33:43 -0800 From: Kees Cook To: matoro Cc: John Paul Adrian Glaubitz , Thorsten Leemhuis , Anthony Yznaga , matoro_bugzilla_kernel@matoro.tk, Andrew Morton , regressions@lists.linux.dev, linux-ia64@vger.kernel.org, Linux-fsdevel , Linux Kernel Mailing List , Alexander Viro Subject: Re: regression: Bug 215601 - gcc segv at startup on ia64 Message-ID: <202202240832.F40AEB20@keescook> References: <823f70be-7661-0195-7c97-65673dc7c12a@leemhuis.info> <03497313-A472-4152-BD28-41C35E4E824E@chromium.org> <94c3be49-0262-c613-e5f5-49b536985dde@physik.fu-berlin.de> <9A1F30F8-3DE2-4075-B103-81D891773246@chromium.org> <4e42e754-d87e-5f6b-90db-39b4700ee0f1@physik.fu-berlin.de> <202202232030.B408F0E895@keescook> <7e3a93e7-1300-8460-30fb-789180a745eb@physik.fu-berlin.de> <65ed8ab4fad779fadf572fb737dfb789@matoro.tk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <65ed8ab4fad779fadf572fb737dfb789@matoro.tk> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 24, 2022 at 09:22:04AM -0500, matoro wrote: > Hi Kees, I can provide live ssh access to my system exhibiting the issue. > My system is a lot more stable due to using openrc rather than systemd, for > me GCC seems to be the only binary affected. Would that be helpful? Yeah, that might be helpful. I have access to a Debian ia64 porter box, but it's not running the broken kernel, so I can only examine "normal" behavior. I'll switch to off-list email... -Kees -- Kees Cook