linux-kernel - Re: 3239b6f29b ("KEYS: return full count in keyring_read() if buffer is too small"): ltp.keyctl06.fail

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Message-ID: <20171201192152.GD142348@google.com>
Date:   Fri, 1 Dec 2017 11:21:52 -0800
From:   Eric Biggers <ebiggers@...gle.com>
To:     Fengguang Wu <fengguang.wu@...el.com>
Cc:     James Morris <james.l.morris@...cle.com>,
        Ben Hutchings <ben@...adent.org.uk>,
        David Howells <dhowells@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>, lkp@...org,
        ltp@...ts.linux.it
Subject: Re: 3239b6f29b ("KEYS: return full count in keyring_read() if buffer
 is too small"): ltp.keyctl06.fail

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