From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7410555E4A for ; Tue, 27 Feb 2024 22:58:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.18.0.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709074689; cv=none; b=I+26nOCQfo1imtNs7JfzK9SmXieZbV99P9LKBQNc6iaP2AYcfR7549Y63OsXeYXWnro6kAXpfcyKTi81z3Ctv8H/Vh0+RbXGRb6q/ZWeh6m33Qo1nyoYAsHly4yHyeUvHoqLsih7flllx7DqRAWx1vyHaasGBoF3GFvnMiL7uto= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709074689; c=relaxed/simple; bh=ck2Bpm9vcnmnA7VPiReoASiqij5RSPlXtN8btx6/xnU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=iuyTQaO/AzW58MyZFsK1LNDxBQmXWLcZ8GCPz2BohV+BLn1f/WFU+eshFqb2cVfKLi6UFFOTDlGGsZjee6wtTZRg4mo84x0mPjNe2+q/vw2xqMrgDCnseB0p+s/FsD+UL4cA25mYmv5Z6afdqFXaQ3RzoiZ+H/Or5WK6PZxVjOk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org; spf=pass smtp.mailfrom=nefkom.net; arc=none smtp.client-ip=212.18.0.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nefkom.net Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4Tkt6N50vpz1s94j; Tue, 27 Feb 2024 23:52:28 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 4Tkt6N3fBtz1qqlW; Tue, 27 Feb 2024 23:52:28 +0100 (CET) X-Virus-Scanned: amavis at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavis, port 10024) with ESMTP id ZgYzovAitFOO; Tue, 27 Feb 2024 23:52:27 +0100 (CET) X-Auth-Info: GYlOfxn5ZQFEUug8eHWWxrd5sgHu2V9FIyeNiDzF3b0+1WGgO5321EFxoDg/KbX8 Received: from igel.home (aftr-62-216-202-59.dynamic.mnet-online.de [62.216.202.59]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Tue, 27 Feb 2024 23:52:27 +0100 (CET) Received: by igel.home (Postfix, from userid 1000) id 44CEE2C1A60; Tue, 27 Feb 2024 23:52:27 +0100 (CET) From: Andreas Schwab To: Kees Cook Cc: Geert Uytterhoeven , Guenter Roeck , linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org Subject: Re: stackinit unit test failures on m68k In-Reply-To: <202402271423.270DBF1@keescook> (Kees Cook's message of "Tue, 27 Feb 2024 14:25:33 -0800") References: <202402271401.CB43AB2E8@keescook> <202402271423.270DBF1@keescook> X-Yow: Is this ANYWHERE, USA? Date: Tue, 27 Feb 2024 23:52:27 +0100 Message-ID: <87y1b5zfis.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Feb 27 2024, Kees Cook wrote: > Oh, no, that wasn't it. Something else is happening. The stack pointer > isn't moving between them. Is there anything special about character > arrays on m68k? You mean, beyond undefined behaviour? -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."