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=-17.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 B4A71C433F5 for ; Wed, 15 Sep 2021 12:34:44 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 559FA610E9 for ; Wed, 15 Sep 2021 12:34:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 559FA610E9 Authentication-Results: mail.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1631709283; h=from:from:sender:sender: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:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=yLXz5SgGBaa08CQTOh+TkQ0yFBjWmrZ6LTN3aSSc+TM=; b=SmM2XXkbIUW/lKlX7nIOtY1uERRBFa1RKkCwxyjsvkpMJWX8ipwncdTAmh8w3S31QSRg8U 49cp2xiIkwfiyoYxZNli1qQXUuyNVs5gp6oWvEVyzGIytFJv+SHeyDfEteowLjvNGmF0fo McYwNlfbLtS+BcEvTYYrbvZSALUt1h8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-428--BQ0CFvvPq2bg1N_qAfdxg-1; Wed, 15 Sep 2021 08:34:41 -0400 X-MC-Unique: -BQ0CFvvPq2bg1N_qAfdxg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A8CB3A40C1; Wed, 15 Sep 2021 12:34:38 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 638345D6AD; Wed, 15 Sep 2021 12:34:38 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 059C05A0C2; Wed, 15 Sep 2021 12:34:38 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 18FCYZoO011046 for ; Wed, 15 Sep 2021 08:34:35 -0400 Received: by smtp.corp.redhat.com (Postfix) id E66AB10074FD; Wed, 15 Sep 2021 12:34:35 +0000 (UTC) Received: from madcap2.tricolour.ca (unknown [10.3.128.14]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 50254100164C; Wed, 15 Sep 2021 12:34:27 +0000 (UTC) Date: Wed, 15 Sep 2021 08:34:24 -0400 From: Richard Guy Briggs To: Ondrej Mosnacek Subject: Re: [PATCH] lsm_audit: avoid overloading the "key" audit field Message-ID: <20210915123424.GN490529@madcap2.tricolour.ca> References: <20210914131516.128823-1-omosnace@redhat.com> MIME-Version: 1.0 In-Reply-To: <20210914131516.128823-1-omosnace@redhat.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-loop: linux-audit@redhat.com Cc: linux-audit@redhat.com, linux-security-module@vger.kernel.org, James Morris X-BeenThere: linux-audit@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Linux Audit Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-audit-bounces@redhat.com Errors-To: linux-audit-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=linux-audit-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On 2021-09-14 15:15, Ondrej Mosnacek wrote: > The "key" field is used to associate records with the rule that > triggered them, os it's not a good idea to overload it with an > additional IPC key semantic. Moreover, as the classic "key" field is a > text field, while the IPC key is numeric, AVC records containing the IPC > key info actually confuse audit userspace, which tries to interpret the > number as a hex-encoded string, thus showing garbage for example in the > ausearch "interpret" output mode. > > Hence, change it to "ipc_key" to fix both issues and also make the > meaning of this field more clear. Good call. > Signed-off-by: Ondrej Mosnacek Reviewed-by: Richard Guy Briggs > --- > security/lsm_audit.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/security/lsm_audit.c b/security/lsm_audit.c > index 5a5016ef43b0..1897cbf6fc69 100644 > --- a/security/lsm_audit.c > +++ b/security/lsm_audit.c > @@ -224,7 +224,7 @@ static void dump_common_audit_data(struct audit_buffer *ab, > case LSM_AUDIT_DATA_NONE: > return; > case LSM_AUDIT_DATA_IPC: > - audit_log_format(ab, " key=%d ", a->u.ipc_id); > + audit_log_format(ab, " ipc_key=%d ", a->u.ipc_id); > break; > case LSM_AUDIT_DATA_CAP: > audit_log_format(ab, " capability=%d ", a->u.cap); > -- > 2.31.1 > - RGB -- Richard Guy Briggs Sr. S/W Engineer, Kernel Security, Base Operating Systems Remote, Ottawa, Red Hat Canada IRC: rgb, SunRaycer Voice: +1.647.777.2635, Internal: (81) 32635 -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit