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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 03425C433EF for ; Mon, 4 Oct 2021 17:54:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC79161207 for ; Mon, 4 Oct 2021 17:54:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234494AbhJDR42 (ORCPT ); Mon, 4 Oct 2021 13:56:28 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:57271 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233881AbhJDR41 (ORCPT ); Mon, 4 Oct 2021 13:56:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1633370077; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=y+2zA1jjle3vmfTB5/pcGcT1V4t7upA8muF5rWRjTyI=; b=eUkiB07ZvRupaWjs0f7E0MOZqieYpDjHmYyRh8BWnkJIuICHHs5L4LqgPiduoV6S76QAQ1 FA9xOrUdADgLL7YqNML5W2vyqgZgjj/ytnQlCSKrCkT8ikJl1JkHh/7KAveecxMGWKwowd engCwdmnfcSpM1thDk2dy4I87dvmQx4= Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-542-RGnTP0r-OsiCcyMtHN039A-1; Mon, 04 Oct 2021 13:54:36 -0400 X-MC-Unique: RGnTP0r-OsiCcyMtHN039A-1 Received: by mail-qk1-f199.google.com with SMTP id t2-20020a05620a450200b0045e34e4f9c7so24603320qkp.18 for ; Mon, 04 Oct 2021 10:54:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=y+2zA1jjle3vmfTB5/pcGcT1V4t7upA8muF5rWRjTyI=; b=yTOCMZrIh1/8TrR+TrifMGSLaKDgbUKcPwtvTavzZDJ5JIoSzmKuIq8Q5Hd47Qd1wM XsxYFh4wwTEWjPHId6OtHizY55IiExYjW17DG0VHmR5px/sPejHvNdWl+mAk0d1NYQbH rXPctwo+B6OLpp5dZnmDsRwS5bgrsD1diBwhjz05OJAEM3lqfATg3snB/+P1QNEWfC1b negdHl0YEqI/81Ms5yb8EmRk7p7ZueYP2cv0vadZCb8xQTi0/HY7kZ3ivtFCaIRKymPY WRBrmFcYXrnb4Dv1GW6rDaCAfz69EOxvFnR2EL9djCArxV6W2M7180frg92kgdxZQcNg H08Q== X-Gm-Message-State: AOAM531CX7/S9hKBaP0b1calx4R+iKbyb0h8u0oz7vX6uJdRnAonuaBd yA8czZ3uCnaADJbdNhJnN5UHvnRCkEFRfsGzKztu9whHTCA0s8ysdWDLjTrRziFvsGIL8AdrlZ5 PQGAsWVVeq7LV X-Received: by 2002:a05:622a:1646:: with SMTP id y6mr14823559qtj.146.1633370075981; Mon, 04 Oct 2021 10:54:35 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyOn+3ShPF0raBL9KUr3smyATPofejRnGaUi0gpHiRJsdE8Mg50Kmary4N5R8LkG0fx0Rb1ew== X-Received: by 2002:a05:622a:1646:: with SMTP id y6mr14823519qtj.146.1633370075730; Mon, 04 Oct 2021 10:54:35 -0700 (PDT) Received: from treble ([2600:1700:6e32:6c00::15]) by smtp.gmail.com with ESMTPSA id g12sm9153881qtm.59.2021.10.04.10.54.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Oct 2021 10:54:35 -0700 (PDT) Date: Mon, 4 Oct 2021 10:54:31 -0700 From: Josh Poimboeuf To: Kees Cook Cc: Andrea Arcangeli , Thomas Gleixner , YiFei Zhu , Linux Containers , YiFei Zhu , bpf , kernel list , Aleksa Sarai , Andy Lutomirski , David Laight , Dimitrios Skarlatos , Giuseppe Scrivano , Hubertus Franke , Jack Chen , Jann Horn , Josep Torrellas , Tianyin Xu , Tobin Feldman-Fitzthum , Tycho Andersen , Valentin Rothberg , Will Drewry , Jiri Kosina , Waiman Long , Andi Kleen Subject: Re: [PATCH 1/1] x86: change default to spec_store_bypass_disable=prctl spectre_v2_user=prctl Message-ID: <20211004175431.5myyh2wqnxbwqnwh@treble> References: <202109111411.C3D58A18EC@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Sat, Sep 11, 2021 at 07:01:40PM -0700, Josh Poimboeuf wrote: > > > > On Sep 11, 2021, at 2:13 PM, Kees Cook wrote: > > > > On Wed, Nov 04, 2020 at 06:50:54PM -0500, Andrea Arcangeli wrote: > >> Switch the kernel default of SSBD and STIBP to the ones with > >> CONFIG_SECCOMP=n (i.e. spec_store_bypass_disable=prctl > >> spectre_v2_user=prctl) even if CONFIG_SECCOMP=y. > > > > Hello x86 maintainers! > > > > I'd really like to get this landed, so I'll take this via the > > seccomp-tree unless someone else speaks up. This keeps falling off > > the edge of my TODO list. :) > > Thanks! You can add my > > Acked-by: Josh Poimboeuf Hi Kees, Ping - I don't see this patch in linux-next. Are you planning on grabbing this for the next merge window? -- Josh