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=-16.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham 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 C03B9C43381 for ; Mon, 25 Mar 2019 22:11:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8E5C5206C0 for ; Mon, 25 Mar 2019 22:11:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="L6UspPUU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731286AbfCYWLK (ORCPT ); Mon, 25 Mar 2019 18:11:10 -0400 Received: from mail-pg1-f202.google.com ([209.85.215.202]:45506 "EHLO mail-pg1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731239AbfCYWLH (ORCPT ); Mon, 25 Mar 2019 18:11:07 -0400 Received: by mail-pg1-f202.google.com with SMTP id f1so10371734pgv.12 for ; Mon, 25 Mar 2019 15:11:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=5iSVCneQgilycqdqj85O1X6up5O4FEWFZBNwHvOvXOE=; b=L6UspPUU7LpZxMcfbvoaI7Tg2n4+p8fNP0UIxntKJjFcQLBoyhSwOBNbR2F8mzIaKp GIFYVoLj5UCHQLKPSNOy9yizp0XrUg8UzwGIp2+slwke4lpHQBDSdlO5NoKjSnGbCR7h uF7pOgqEe/fSBZncHMy/19wRFDRB2xiQpMA2Bo9V9y/dbESDO0ppIPZB8X72vddRlLHv XSdbSQNs39ZB2osRt/Bxw8FB0kw1KzhihnVnv/26GrLdvgR7Ew+92pmiw3Ojs2WIShPf C3QQ7cCi0EqgtReJFWC6heAf48COoTMjjKW/xEQj+2JB5C9NfAEGtD8DQcTdpBZehENr fokA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=5iSVCneQgilycqdqj85O1X6up5O4FEWFZBNwHvOvXOE=; b=CWavC+bub4KFhNH51+IZiW2LqDD0Db/iTFurHXA0w0r4jF3UT6p1Q+aanvHOTZVz3Q Qzx8d/esBGOoQbWrQPBnQUj4ENRV8wxll7dyg9FvVigifmsxQuvYqWiuYl2OlIyfUqPp 9SYLitxP8xKOToyeE3PSCZ0o1xDIQABN+40WwmXwyHLJuw7gkexwSmjrZ1NtUqoeUGml NWECQBR4csJWF+HjP15RJRy7OP5NK1lyuX6c+zRnvVlW36QxGCO/IwBujL00st4JrorF GkZ3rztIgpBG/rHbRDFGYq0pQiyZSbsb9DxOV8wCMTvXyyzK2t0xMgiRCjhaNEOIQOcp 2sEw== X-Gm-Message-State: APjAAAU20WW6SI76peW2zM174Bl31YBrfi3vxspI6oJtkgUfGTd7oHco BKmEGd+HDKTQSRnNBAcFbQdZOiNoaE4i+ARXhYS6ow== X-Google-Smtp-Source: APXvYqw/eS3XyvJZeawA1kpIC3m8aG+vdw0JhNVqktthhhxksycK7tomczkg1Fo70yGcLG+56LXYxzqHSIkSrhiDGbszvA== X-Received: by 2002:a63:6fc1:: with SMTP id k184mr13169649pgc.239.1553551866271; Mon, 25 Mar 2019 15:11:06 -0700 (PDT) Date: Mon, 25 Mar 2019 15:09:53 -0700 In-Reply-To: <20190325220954.29054-1-matthewgarrett@google.com> Message-Id: <20190325220954.29054-27-matthewgarrett@google.com> Mime-Version: 1.0 References: <20190325220954.29054-1-matthewgarrett@google.com> X-Mailer: git-send-email 2.21.0.392.gf8f6787159e-goog Subject: [PATCH 26/27] lockdown: Print current->comm in restriction messages From: Matthew Garrett To: jmorris@namei.org Cc: linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, dhowells@redhat.com, Matthew Garrett Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: David Howells Print the content of current->comm in messages generated by lockdown to indicate a restriction that was hit. This makes it a bit easier to find out what caused the message. The message now patterned something like: Lockdown: : is restricted; see man kernel_lockdown.7 Signed-off-by: David Howells Signed-off-by: Matthew Garrett --- security/lock_down.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/security/lock_down.c b/security/lock_down.c index 18d8776a4d02..ee00ca2677e7 100644 --- a/security/lock_down.c +++ b/security/lock_down.c @@ -53,8 +53,8 @@ void __init init_lockdown(void) bool __kernel_is_locked_down(const char *what, bool first) { if (what && first && kernel_locked_down) - pr_notice("Lockdown: %s is restricted; see man kernel_lockdown.7\n", - what); + pr_notice("Lockdown: %s: %s is restricted; see man kernel_lockdown.7\n", + current->comm, what); return kernel_locked_down; } EXPORT_SYMBOL(__kernel_is_locked_down); -- 2.21.0.392.gf8f6787159e-goog