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[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> X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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