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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA990CCA48D for ; Tue, 7 Jun 2022 21:42:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381573AbiFGVlN (ORCPT ); Tue, 7 Jun 2022 17:41:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49006 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377999AbiFGUvQ (ORCPT ); Tue, 7 Jun 2022 16:51:16 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65C831FDEA0; Tue, 7 Jun 2022 11:41:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 18832B8220B; Tue, 7 Jun 2022 18:41:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F7CFC385A2; Tue, 7 Jun 2022 18:41:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654627270; bh=a6TL4JGMCf1l+ghTXObmrd74SYUyO4vsE8A7pjANyUU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1XtxoGvT6bgWK8aQmddtecf+OtassyzM4yvt74Hh2V/SzLwm4qYhyGzck8w2KIdTR lp8zHl/ndtPdElmALWM+xWTrFsdXK2flBlH4Z7aZGA8/zGW3QUJE9ibj8UPOfAh/8m uvM/5nsNm+VB/7461ev6vuoElJ8jA89JgGqCsr7M= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shuah Khan , =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= Subject: [PATCH 5.17 678/772] selftests/landlock: Add tests for unknown access rights Date: Tue, 7 Jun 2022 19:04:30 +0200 Message-Id: <20220607165009.036456691@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607164948.980838585@linuxfoundation.org> References: <20220607164948.980838585@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mickaël Salaün commit c56b3bf566da5a0dd3b58ad97a614b0928b06ebf upstream. Make sure that trying to use unknown access rights returns an error. Cc: Shuah Khan Link: https://lore.kernel.org/r/20220506160820.524344-5-mic@digikod.net Cc: stable@vger.kernel.org Signed-off-by: Mickaël Salaün Signed-off-by: Greg Kroah-Hartman --- tools/testing/selftests/landlock/fs_test.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) --- a/tools/testing/selftests/landlock/fs_test.c +++ b/tools/testing/selftests/landlock/fs_test.c @@ -448,6 +448,22 @@ TEST_F_FORK(layout1, file_access_rights) ASSERT_EQ(0, close(path_beneath.parent_fd)); } +TEST_F_FORK(layout1, unknown_access_rights) +{ + __u64 access_mask; + + for (access_mask = 1ULL << 63; access_mask != ACCESS_LAST; + access_mask >>= 1) { + struct landlock_ruleset_attr ruleset_attr = { + .handled_access_fs = access_mask, + }; + + ASSERT_EQ(-1, landlock_create_ruleset(&ruleset_attr, + sizeof(ruleset_attr), 0)); + ASSERT_EQ(EINVAL, errno); + } +} + static void add_path_beneath(struct __test_metadata *const _metadata, const int ruleset_fd, const __u64 allowed_access, const char *const path)