Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753226AbdLEJnO (ORCPT ); Tue, 5 Dec 2017 04:43:14 -0500 Received: from mx2.suse.de ([195.135.220.15]:39430 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752900AbdLEJnK (ORCPT ); Tue, 5 Dec 2017 04:43:10 -0500 References: <20171201024012.wsq3xnsbbdqwxwp2@wfg-t540p.sh.intel.com> <20171201192152.GD142348@google.com> User-agent: mu4e 1.0-alpha2; emacs 25.3.1 From: Richard Palethorpe To: Eric Biggers Cc: Fengguang Wu , Ben Hutchings , LKML , David Howells , lkp@01.org, James Morris , Linus Torvalds , ltp@lists.linux.it Subject: Re: [LTP] 3239b6f29b ("KEYS: return full count in keyring_read() if buffer is too small"): ltp.keyctl06.fail Reply-To: rpalethorpe@suse.de In-reply-to: <20171201192152.GD142348@google.com> Date: Tue, 05 Dec 2017 10:43:08 +0100 Message-ID: <87a7yxmrwz.fsf@rpws.prws.suse.cz> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1459 Lines: 48 Hello, Eric Biggers writes: > On Fri, Dec 01, 2017 at 10:40:12AM +0800, Fengguang Wu wrote: >> Hi Eric, >> >> We noticed LTP keyctl06 test regression in >> >> commit: 3239b6f29bdfb4b0a2ba59df995fc9e6f4df7f1f ("KEYS: return full count in keyring_read() if buffer is too small") >> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master >> >> on test machine: 48 threads Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz with 64G memory >> with following parameters: >> >> disk: 1HDD >> fs: ext4 >> test: syscalls_part2 >> >> test-description: The LTP testsuite contains a collection of tools for testing the Linux kernel and related features. >> test-url: http://linux-test-project.github.io/ >> >> To reproduce: >> >> git clone https://github.com/intel/lkp-tests.git >> cd lkp-tests >> bin/lkp install job.yaml # job file is attached in this email >> bin/lkp run job.yaml >> >> testcase/path_params/tbox_group/run: ltp/1HDD-ext4-syscalls_part2/ivb44 >> > > Did this include LTP commit f21703fe45d3 ("syscalls/keyctl06: update to test for > follow-on fix")? It would be really helpful if these reports would include the > LTP commit that was used. > > Eric We are getting the following result, even with the follow up patch: keyctl06.c:68: FAIL: KEYCTL_READ returned 4 but expected 8 This is with SUSE SLE15 kernel 4.12.14. I haven't had chance to investigate it yet. -- Thank you, Richard.