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=-16.1 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 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 03C2DC4708F for ; Mon, 31 May 2021 13:49:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D330761C35 for ; Mon, 31 May 2021 13:49:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231912AbhEaNuu (ORCPT ); Mon, 31 May 2021 09:50:50 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:38541 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232989AbhEaNrn (ORCPT ); Mon, 31 May 2021 09:47:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1622468762; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=y54MkJ1DkDPUmNpg6ptgLnrQ5/7BnVMsItBiTZSYR8Q=; b=Mek8ndKnCF4xvYU5PqUiIpL1CAsUguqFnK8vvcMepLiFw9M/cpHLnFrLPlX59e086+ffmW h9DUah/x9IuSstnEo1lsTA/DsUMKGAexzAzcbPlgygCNOehkNseeEM6LkF0e1qCspGQ7bN VFg1kWrcnTr472TDHFvKl9/944LfQv0= 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-593-AjF5-yO5PKy1ZPlxqlSV7A-1; Mon, 31 May 2021 09:45:57 -0400 X-MC-Unique: AjF5-yO5PKy1ZPlxqlSV7A-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E7774189C44F; Mon, 31 May 2021 13:45:54 +0000 (UTC) Received: from madcap2.tricolour.ca (unknown [10.3.128.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id B3B5B5C1B4; Mon, 31 May 2021 13:45:52 +0000 (UTC) From: Richard Guy Briggs To: Paul Moore , linux-audit@redhat.com, io-uring@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org, Kumar Kartikeya Dwivedi , Jens Axboe , Alexander Viro , Richard Guy Briggs Subject: [PATCH 2/2] audit: block PERM fields being used with io_uring filtering Date: Mon, 31 May 2021 09:44:55 -0400 Message-Id: <8d1435a4b5db9139cc8eebce633f14872dd3a007.1622467740.git.rgb@redhat.com> In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org The commit ("audit: add filtering for io_uring records") added support for filtering io_uring operations. The PERM field is invalid for io_uring filtering, so block it. Signed-off-by: Richard Guy Briggs --- kernel/auditfilter.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index bcdedfd1088c..d75acb014ccd 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -336,6 +336,10 @@ static int audit_field_valid(struct audit_entry *entry, struct audit_field *f) if (entry->rule.listnr != AUDIT_FILTER_FS) return -EINVAL; break; + case AUDIT_PERM: + if (entry->rule.listnr == AUDIT_FILTER_URING_EXIT) + return -EINVAL; + break; } switch (entry->rule.listnr) { -- 2.27.0