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 29F24C7EE25 for ; Wed, 26 Apr 2023 14:21:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241367AbjDZOV5 (ORCPT ); Wed, 26 Apr 2023 10:21:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60368 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241360AbjDZOVy (ORCPT ); Wed, 26 Apr 2023 10:21:54 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB4536E90; Wed, 26 Apr 2023 07:21:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=UlGyOC+dZ9jM8uq2AbAYjxW/eRqy+SHHT/cj9czdtZA=; b=mYHgtFZffSP0zSxghYAqv/xYil LbxNzzdoBpuTahkiYD8MdM4WlZdvMxu5vz/B5ySvJTBOEVKtQQXTPQ4rM9uZdqv/7TVV8MtHUIxkd ZSM+w9gBfEGEkfZE5Jg21u6dO+S+kMJBhe84FuKb0XX5YrL9x4/4fDa84nt6MiaRsm6Xj6vMRD6G5 Ilkh9WXFY8ZdF884WAH4JxOUayYPGI4S5K5NVjsEGEJWn0p/QYRyCe+dwg9P5KzISeKYtnfrk/9Gh cn1p5ejTDigTEQvM9YJtQc57z8baLO9YaSnUPfH/MqNX8eRVRaCcs3Z4t7sOss8mMFpzvPioxRenR UmgQ7hIw==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1prg0v-002Xdk-RA; Wed, 26 Apr 2023 14:20:58 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id ABE86300244; Wed, 26 Apr 2023 16:20:54 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 828103240EFBA; Wed, 26 Apr 2023 16:20:54 +0200 (CEST) Date: Wed, 26 Apr 2023 16:20:54 +0200 From: Peter Zijlstra To: Joel Fernandes Cc: Michael Ellerman , Zhouyi Zhou , Christophe Leroy , Boqun Feng , Segher Boessenkool , linuxppc-dev , rcu , linux-kernel , lance@osuosl.org, "Paul E. McKenney" Subject: Re: BUG : PowerPC RCU: torture test failed with __stack_chk_fail Message-ID: <20230426142054.GA1381951@hirez.programming.kicks-ass.net> References: <87fs8pzalj.fsf@mail.concordia> <20230424151351.GP19790@gate.crashing.org> <20230425101324.GD1331236@hirez.programming.kicks-ass.net> <877ctyzv08.fsf@mail.concordia> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org On Wed, Apr 26, 2023 at 09:44:22AM -0400, Joel Fernandes wrote: > How could you control which code paths don't have the stack protector? > Just curious. https://lkml.kernel.org/r/20230412-no_stackp-v2-0-116f9fe4bbe7@google.com