From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753180AbdF0PtF (ORCPT ); Tue, 27 Jun 2017 11:49:05 -0400 Received: from mail-co1nam03on0073.outbound.protection.outlook.com ([104.47.40.73]:10959 "EHLO NAM03-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752462AbdF0Ps5 (ORCPT ); Tue, 27 Jun 2017 11:48:57 -0400 Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=pitt.edu; Subject: Re: selftests/capabilities: test FAIL on linux mainline and linux-next and PASS on linux-4.4.70+ To: Greg KH , Naresh Kamboju Cc: luto@kernel.org, keescook@chromium.org, Shuah Khan , linux-kselftest@vger.kernel.org, "linux-kernel@vger.kernel.org" References: <20170627151359.GA11756@kroah.com> <20170627151600.GB11756@kroah.com> From: Paul Elder Message-ID: 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X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN2PR04MB2174 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/28/2017 12:16 AM, Greg KH wrote: > On Tue, Jun 27, 2017 at 05:13:59PM +0200, Greg KH wrote: >> On Tue, Jun 27, 2017 at 02:10:32PM +0530, Naresh Kamboju wrote: >>> selftest capabilities test failed on linux mainline and linux-next and >>> PASS on linux-4.4.70+ >> >> Odd. Any chance you can use 'git bisect' to track down the offending >> commit? >> >> Does this also fail on x86 or any other platform you have available? >> Let me go try this on my laptop... > > Ok, Linus's current tree (4.12.0-rc7+) also fails on this. I'm guessing > it's failing, it's hard to understand the output. If only we had TAP > output for this test :) I tried to take down this test as the next one to tapify but all the forking with exec_other_validate_cap("./validate_cap", eff, perm, inh, ambient) was throwing me and the test counter off. > [RUN] +++ Tests with uid == 0 +++ > [NOTE] Using global UIDs for tests > [RUN] Root => ep > [OK] Capabilities after execve were correct > [OK] Child succeeded > [OK] Check cap_ambient manipulation rules > [OK] PR_CAP_AMBIENT_RAISE failed on non-inheritable cap > [OK] PR_CAP_AMBIENT_RAISE failed on non-permitted cap > [OK] PR_CAP_AMBIENT_RAISE worked > [OK] Basic manipulation appears to work > [RUN] Root +i => eip > [OK] Capabilities after execve were correct > [OK] Child succeeded > [RUN] UID 0 +ia => eipa > [OK] Capabilities after execve were correct > [OK] Child succeeded > [RUN] Root +ia, suidroot => eipa > [OK] Capabilities after execve were correct > [OK] Child succeeded > [RUN] Root +ia, suidnonroot => ip > [FAIL] Wrong effective state (AT_SECURE is not set) > [FAIL] Child failed > [RUN] Root +ia, sgidroot => eipa > [OK] Capabilities after execve were correct > [OK] Child succeeded > [RUN] Root, gid != 0, +ia, sgidroot => eip > [FAIL] Wrong ambient state (AT_SECURE is not set) > [FAIL] Child failed > [RUN] Root +ia, sgidnonroot => eip > [FAIL] Wrong ambient state (AT_SECURE is not set) > [FAIL] Child failed > [FAIL] Child failed > [RUN] +++ Tests with uid != 0 +++ > [NOTE] Using global UIDs for tests > [RUN] Non-root => no caps > [OK] Capabilities after execve were correct > [OK] Child succeeded > [OK] Check cap_ambient manipulation rules > [OK] PR_CAP_AMBIENT_RAISE failed on non-inheritable cap > [OK] PR_CAP_AMBIENT_RAISE failed on non-permitted cap > [OK] PR_CAP_AMBIENT_RAISE worked > [OK] Basic manipulation appears to work > [RUN] Non-root +i => i > [OK] Capabilities after execve were correct > [OK] Child succeeded > [RUN] UID 1 +ia => eipa > [OK] Capabilities after execve were correct > [OK] Child succeeded > [RUN] Non-root +ia, sgidnonroot => i > [FAIL] Wrong effective state (AT_SECURE is not set) > [FAIL] Child failed I'm on 4.9.0-3-amd64 (Debian distro kernel) running the test from linux-kselftest-next and I have the exact same output. Paul