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 X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6156C4727D for ; Tue, 22 Sep 2020 19:39:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6748F221E8 for ; Tue, 22 Sep 2020 19:39:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="SN3IEdv9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726720AbgIVTjF (ORCPT ); Tue, 22 Sep 2020 15:39:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57108 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726634AbgIVTjF (ORCPT ); Tue, 22 Sep 2020 15:39:05 -0400 Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D072FC0613D0 for ; Tue, 22 Sep 2020 12:39:04 -0700 (PDT) Received: by mail-pg1-x544.google.com with SMTP id k133so8054526pgc.7 for ; Tue, 22 Sep 2020 12:39:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Cl+WO00Kizr4omooNzww9UPHhmmcnUeRH4hrmQ6UKdM=; b=SN3IEdv9DKs8YIAAClvTilYOYD+6BYnK5EIxvb5YteSFPi4IJ8WQVOl0JT2w8UYBCi kTPMlGyAECFOooThXIMqEJD1UrWSfJvddGLnyE15YglUlAfv5jrrGLk5iEUpPAmZWW6x S262k7mNa+eTKHeFPpYSoSeTbprnhPYBC6MwI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Cl+WO00Kizr4omooNzww9UPHhmmcnUeRH4hrmQ6UKdM=; b=rt15Xi/si+POxHkt3CwYifwEMkJa0DB7Jt+UGv0UPUM7BqbHdfgpDVgK4L35oPw0H7 QeBRHhy4oMQB6hstJYZwqTuQTUx7WwZuWCjyRRfMVmXTwJm/+m8PCKTcoJvr2ZTWMccl hecTjMtHfxtp5UgXMK2Y6ZpG7HdwCYUAT+EYVmhSN5q9afOx21FVKYHd3UCSwyXmtKAA Y7GUDu0veI0nmf8TKsjRGXqzvjFuevYB7Gza1yRNhZ2d9KheZQ/jTQ+kiSU4fARqXZob IFjcJiLiwfG5E8s8IBR+4BG22ZznYFOiL6QgIY99Dw7Mc76DHnZGzRKp0QweaiBIPpn5 DgBw== X-Gm-Message-State: AOAM533JQq9W5jMBpolzAUiLttlL1OsFcNLQSltZsN1GjIXO92Irr9Q5 CzradFr1ela8orf/vQ3zQHI7cg== X-Google-Smtp-Source: ABdhPJzDEAChCs+Qx1Viv+taNVtjbQVUqkYi+3GXJZ+jiwSOYs8NZ8ewvBVyJ9+kszBz+qEOPJ9Rcg== X-Received: by 2002:a17:902:7083:b029:d2:4ca:281a with SMTP id z3-20020a1709027083b02900d204ca281amr6006921plk.58.1600803544450; Tue, 22 Sep 2020 12:39:04 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id q190sm16996666pfq.99.2020.09.22.12.39.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2020 12:39:03 -0700 (PDT) Date: Tue, 22 Sep 2020 12:39:02 -0700 From: Kees Cook To: Gabriel Krisman Bertazi Cc: luto@kernel.org, tglx@linutronix.de, x86@kernel.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, willy@infradead.org, linux-kselftest@vger.kernel.org, shuah@kernel.org, kernel@collabora.com Subject: Re: [PATCH v6 4/9] signal: Expose SYS_USER_DISPATCH si_code type Message-ID: <202009221238.66C17E34@keescook> References: <20200904203147.2908430-1-krisman@collabora.com> <20200904203147.2908430-5-krisman@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200904203147.2908430-5-krisman@collabora.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 04, 2020 at 04:31:42PM -0400, Gabriel Krisman Bertazi wrote: > SYS_USER_DISPATCH will be triggered when a syscall is sent to userspace > by the Syscall User Dispatch mechanism. This adjusts eventual > BUILD_BUG_ON around the tree. > > Signed-off-by: Gabriel Krisman Bertazi Yup, this looks good; seccomp is glad to have a new SIGSYS friend. ;) Acked-by: Kees Cook -- Kees Cook