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=DKIMWL_WL_MED,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=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 402BFC43381 for ; Thu, 7 Mar 2019 00:00:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0CA81206DD for ; Thu, 7 Mar 2019 00:00:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="XHVjtwKc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726781AbfCGAAn (ORCPT ); Wed, 6 Mar 2019 19:00:43 -0500 Received: from mail-io1-f73.google.com ([209.85.166.73]:34712 "EHLO mail-io1-f73.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726762AbfCGAAj (ORCPT ); Wed, 6 Mar 2019 19:00:39 -0500 Received: by mail-io1-f73.google.com with SMTP id b14so7190946ioh.1 for ; Wed, 06 Mar 2019 16:00:39 -0800 (PST) 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=Sa+SgQnAHCfBo1mo2uJRDE5jhlzcMXQqHsZYr3YiEB0=; b=XHVjtwKczBVt6maHMDsBdQD040XvH2+tNtSVuU/nCfJ3PvcWW6Bmf9bvU+Tzoa+W4R FCbE0UrP5nNV1jU5XjJOZkqnPv4x8ko6PJzMBy4FlEKFmjjVjxqmkjJCAzcJTFvEnrsw Un33zXRpj5Edgxlf98Lt0dcO/fZfeodDmrbtLvSJZJUXfyz0FNW2iHBLnNV13g+qlrrT Nq6DCE8jBi4q/GiJCJ2yZyIcUV0AkF4YICved/SAe8Y82vMT0X5J2Gp4dWSpra1gXiOc s+QbGBDccRLIxR+/sSp8jSFkaLhOBcXALLPuavGxyzenZ2EnYEFK759MKEqj781jAqsV A0ag== 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=Sa+SgQnAHCfBo1mo2uJRDE5jhlzcMXQqHsZYr3YiEB0=; b=FIZprgLn0OMJMk4HDu2Mv+sMTvOSYXVqblMNUrNxcPlv+3KHIb8ONuUTXyJzr7Fsc6 tSKfuuS+VmnjLboghKGsO1ul9fkt5fqru2x0fYd7E2NEFT1nhTG7VfjNOnXFHDlmX1ev 8rAvS2TEsltAQhj4iVDXfDdkf+twWaT9lvUvFwM2Oz8+jzrxN8F76mGna7jwuFpgad3m 01/YbmuizDqJ+XBTPiTfaHz4JvpOA53dz2x2DoEFp7XcoyeTN2rSPeoGSUdV8q/ih4/l QD10JE/OObbVxer7a9kp8MhoypVUjKiJkMoLueTW27L9cvD7cx348NB3OQBmLHWk1JBs qZ4w== X-Gm-Message-State: APjAAAXnL+44xgjsqsqUrY1HV8LEaSoNBhDVSl9w0EGUJfvrrUrPKARq tY9SPbvxBHakylAp1v/3SDrF7MRUR6hIKS1uECNBAw== X-Google-Smtp-Source: APXvYqwpf/k9ytvmRK8pEBfgH+rGfGX9tBiGZnv5J8A3JTXkOKnucGqv1lYF3oc3q6Kgmw5CV+qN08xhnulPEYAW9mB65g== X-Received: by 2002:a24:6cd5:: with SMTP id w204mr7949254itb.16.1551916838783; Wed, 06 Mar 2019 16:00:38 -0800 (PST) Date: Wed, 6 Mar 2019 15:59:13 -0800 In-Reply-To: <20190306235913.6631-1-matthewgarrett@google.com> Message-Id: <20190306235913.6631-28-matthewgarrett@google.com> Mime-Version: 1.0 References: <20190306235913.6631-1-matthewgarrett@google.com> X-Mailer: git-send-email 2.21.0.352.gf09ad66450-goog Subject: [PATCH 27/27] 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 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 cfbc2c39712b..5243b55b3c1f 100644 --- a/security/lock_down.c +++ b/security/lock_down.c @@ -58,8 +58,8 @@ 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); -- 2.21.0.352.gf09ad66450-goog