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[209.132.180.67]) by mx.google.com with ESMTP id u20si14729403pgi.431.2019.04.03.17.35.20; Wed, 03 Apr 2019 17:35:35 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=OMHv1x1H; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728700AbfDDAeR (ORCPT + 99 others); Wed, 3 Apr 2019 20:34:17 -0400 Received: from mail-ot1-f74.google.com ([209.85.210.74]:56222 "EHLO mail-ot1-f74.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728645AbfDDAd7 (ORCPT ); Wed, 3 Apr 2019 20:33:59 -0400 Received: by mail-ot1-f74.google.com with SMTP id d38so283409otb.22 for ; Wed, 03 Apr 2019 17:33:58 -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=al58t6ANDPLU85eDCqgZCBVARE5LKCf1VFpj6vFxHNY=; b=OMHv1x1HxndU3NYmoUDmr9gQTnccB79SBkQfVDDbXGerRUffhKe6CcKdOi1Ir6U/wV 63pZmusqM4wrJB3yOIwud+H8z+rdBHLPiu2Nd2+CvehvZTx/coIYOejQtGpr5JFfvqMP MNj8GYj1yT0GExuZlz77AKMQyhlLsSMVTk5K7AYVMbxIX35vv6uMnYQvXU+tEVr0nFnJ y0NtltQc0YcLV2t1wBZGv+p05r+BoNoBrXxeT+rhmRkJs42rPYcHU7PUIFLfi6y18jM3 b2GRyv7mdMlx6fdRqiGL8NEZ942MHhJgDUsEAUs0AOwl3ctDo8EtN/OVpbri/oz+lrTG QiRA== 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=al58t6ANDPLU85eDCqgZCBVARE5LKCf1VFpj6vFxHNY=; b=nFLsvcUdRidbVmDQGWYgTMAaoqZczOhum/MGd95q2cCothayqtS3C1G4Q6YfzCSrVH mGy7NDZJXQUpEIk7hCGdsAcqnrBk29DxP0SSt099+TraaLn+gzrpp1NUSnlId8HRLajl pVRbZIbcwdF/zTRVMAPpZMKpgv00YEzmaGJBYlIYkl0lNL8VW9Q+2Mte9ssh89T5lHlj R8V71f7kxzaGOUU8Frnm3nvs0DtofomJoH96zDQQ0S2OYU3LWn6l+BHJSW+ER8OGTyl5 EVDS8FI5eP3N1E4Ckx+CYZRNwQhq4ezmA7uRor70YzQs13qAvSvm5XJ0s4PyG72UtZpY wn3w== X-Gm-Message-State: APjAAAVXnKCaG2Z8HBj5S8yrq5fnHd3h8jcB+xHhR1vctPOYEhjCUoLF WKwVdJRkN3Jdk4/eYSjwzUOi25YH+VbG9MqYXVfJsQ== X-Received: by 2002:a9d:61d9:: with SMTP id h25mr264758otk.27.1554338038536; Wed, 03 Apr 2019 17:33:58 -0700 (PDT) Date: Wed, 3 Apr 2019 17:32:47 -0700 In-Reply-To: <20190404003249.14356-1-matthewgarrett@google.com> Message-Id: <20190404003249.14356-26-matthewgarrett@google.com> Mime-Version: 1.0 References: <20190404003249.14356-1-matthewgarrett@google.com> X-Mailer: git-send-email 2.21.0.392.gf8f6787159e-goog Subject: [PATCH V32 25/27] 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, linux-api@vger.kernel.org, luto@kernel.org, Matthew Garrett , 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 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 9913fff09ad0..2659722784cc 100644 --- a/security/lock_down.c +++ b/security/lock_down.c @@ -70,8 +70,8 @@ bool __kernel_is_locked_down(const char *what, enum lockdown_level level, bool first) { if ((kernel_locked_down >= level) && what && first) - 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 >= level); } EXPORT_SYMBOL(__kernel_is_locked_down); -- 2.21.0.392.gf8f6787159e-goog