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 B73D9C0015E for ; Fri, 11 Aug 2023 05:55:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233188AbjHKFz6 (ORCPT ); Fri, 11 Aug 2023 01:55:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233260AbjHKFzz (ORCPT ); Fri, 11 Aug 2023 01:55:55 -0400 Received: from mail-pj1-x1035.google.com (mail-pj1-x1035.google.com [IPv6:2607:f8b0:4864:20::1035]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA7A82D6D for ; Thu, 10 Aug 2023 22:55:52 -0700 (PDT) Received: by mail-pj1-x1035.google.com with SMTP id 98e67ed59e1d1-2680182bc21so975123a91.2 for ; Thu, 10 Aug 2023 22:55:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1691733352; x=1692338152; 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=2OD5ZJXsW01Gkak3C9PDmNcxF6jiUQnE47JaTYXQ2XI=; b=KmJ7vo2x2kgxcCOFYtH2hKSHu+0pY2VUNnZpCBbS25LCbKUtxA688X2pLRPq9USzib SUIXyKe3IQrJtsvW1BW3eo5YJGPrXCSJVMzZDcXuk5jr83tmrf5PuCtCj2wpE4VcbgcK T+S+T323/s0Qx0kVW3cGQ6hnilxAECCDhcmz0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691733352; x=1692338152; 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=2OD5ZJXsW01Gkak3C9PDmNcxF6jiUQnE47JaTYXQ2XI=; b=DKucq2ykopJNL0URs8oMyDC++Ivtd06YnbB/y50Sh7grQFsX9pWxKNfj4KS9AI6VtO P8RcHSnBaUUKmLOUaw1ao7ZYF+p8fnpWvYhME05uK2uh5pYis7TsPai1k2I8rWplX9RT jZcxUSg7TI+O0kj60EFhbljLpstfIspDfgQgxdrmXXaMq5ccSjTJ59+qwLYOfUBHxTLz I+WErC0SFqi/yF7sKQ5xyM+WfT6SYaXrBz3IChW18y7ZSRJGdHot004HmUWTVSiAylT7 bk3FSXkT2lo0jD2RMm+b5/TwmyK/OyfWRfVTcQIUPCRAZ9t+omvALsMBAPRb51fGOoxc mhYg== X-Gm-Message-State: AOJu0Yw7qbTvoxvYwVEiB9YkT0otReF+wBfxA6YeEDTnKInMf4Abtic/ cDql9B6/g6Fk84RDZnocBLtWnw== X-Google-Smtp-Source: AGHT+IG/KPGlnVMvs4ls738U22u+HBpqZA1zXRBdAtInf7cvftgHPpkb2CXU/kZ/s1PD0WUg+5/Ziw== X-Received: by 2002:a17:90b:1b04:b0:268:13e2:fc91 with SMTP id nu4-20020a17090b1b0400b0026813e2fc91mr449458pjb.31.1691733352385; Thu, 10 Aug 2023 22:55:52 -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 v10-20020a17090a898a00b00263fc1ef1aasm4350298pjn.10.2023.08.10.22.55.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Aug 2023 22:55:51 -0700 (PDT) Date: Thu, 10 Aug 2023 22:55:51 -0700 From: Kees Cook To: Russell King Cc: Arnd Bergmann , Lecopzer Chen , Oleg Nesterov , Matthias Brugger , AngeloGioacchino Del Regno , Linus Walleij , Wolfram Sang , Arnd Bergmann , Dan Williams , "Russell King (Oracle)" , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH v2 0/2] ARM: ptrace: Restore syscall skipping and restart while tracing Message-ID: <202308102254.689CB3F@keescook> References: <20230810195141.never.338-kees@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230810195141.never.338-kees@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 10, 2023 at 12:54:17PM -0700, Kees Cook wrote: > Fix tracing on arm since commit 4e57a4ddf6b0 ("ARM: 9107/1: syscall: > always store thread_info->abi_syscall"). This was seen with the broken > seccomp tests "syscall_errno", "syscall_faked", and "syscall_restart". I'd like to get this fixed in v6.5. Russell, do you have a fixes tree that you'll be sending Linus's way before the next -rc? I can send it via my seccomp-fixes tree if that'd be easier. Thanks! -Kees -- Kees Cook