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 8E86AC001DE for ; Fri, 4 Aug 2023 08:13:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231545AbjHDINg (ORCPT ); Fri, 4 Aug 2023 04:13:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232302AbjHDINd (ORCPT ); Fri, 4 Aug 2023 04:13:33 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A95994687 for ; Fri, 4 Aug 2023 01:13:30 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id d9443c01a7336-1bc3d94d40fso15388335ad.3 for ; Fri, 04 Aug 2023 01:13:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1691136810; x=1691741610; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=VL7MGYaWLHKrafJNpDNrQV+kq/3HdTXOCqcOC2etLW4=; b=CJLYGjD0bhLHh1OXkkRsreZPkeVsxE7+g11O/hc8izookwuSJgZi9I/8JSNHysqXmK 9eIDgpbjmiXH+IZ9+bUuoPUZagmJcvLEUULJN0R5fE/lmyhtXs8CDzi3T152BXMjoxcN 7kaoXRTCpVWYZnWuspUM74X52V0EsOSSPhB/Q= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691136810; x=1691741610; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=VL7MGYaWLHKrafJNpDNrQV+kq/3HdTXOCqcOC2etLW4=; b=JSXhYcCqHRuw88xIH2P/5kFVinZ1xRtIZbMxxY9whlr6epEK0ybGda6UJgLJJLgmSW +ju0E0SL/lT7JxbkdIMCPK2dxe8k3yiSh93X0rqrSAsqNpO5W7WB0umgn8/Yi+zV0R9S ZfeAD/3H9WwipH/Ywl7/uOOoF60uFJgjjAy+FlOfR4TXKgrBf09/hZ3MH7oagJJB4mxi oQh222YjLrivfE3j6kNOugvYTiPDibuw1ha7kUOJOGKQp04yF9HQbOQwJn6VWmNPir4p EPfKxyKVNqCn9fx2Vdpa3fmJb098NIJozO2Q+NXgoO0KQ2huBgSYmQZyIOcUaunVRua5 3//g== X-Gm-Message-State: AOJu0Ywy5BnnkdrWjNRmrnOsLipidlRMB1wEChPlYQ55PbO0e1DqXhbN daDoMZKtaxYQAjnkooUUyM7X9g== X-Google-Smtp-Source: AGHT+IE83P9NE4z3R7foSEJsWYLcP/0QXiKnenMC8MJ7cfoR2ZxY4Mv/zhfiFYz+DdY0Sn/WVJ3P5g== X-Received: by 2002:a17:902:bb82:b0:1bc:4030:1fb6 with SMTP id m2-20020a170902bb8200b001bc40301fb6mr1099637pls.21.1691136810155; Fri, 04 Aug 2023 01:13:30 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id ji5-20020a170903324500b001bc445e249asm1128036plb.124.2023.08.04.01.13.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Aug 2023 01:13:29 -0700 (PDT) Date: Fri, 4 Aug 2023 01:13:29 -0700 From: Kees Cook To: Arnd Bergmann , Lecopzer Chen Cc: Russell King , Arnd Bergmann , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, Alexander Viro , Linus Walleij , yj.chiang@mediatek.com, linux-hardening@vger.kernel.org Subject: Re: [PATCH v5 04/10] ARM: syscall: always store thread_info->abi_syscall Message-ID: <202308040113.5A35E32B4B@keescook> References: <20210726141141.2839385-1-arnd@kernel.org> <20210726141141.2839385-5-arnd@kernel.org> <202308031551.034F346@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202308031551.034F346@keescook> Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Thu, Aug 03, 2023 at 04:17:24PM -0700, Kees Cook wrote: > Anyway, I'll keep debugging this, but figured I'd mention it in case > anyone else had been seeing issues in here. Okay, I think I have a working patch now. Sent here: https://lore.kernel.org/lkml/20230804071045.never.134-kees@kernel.org/ -- Kees Cook