linux-kernel - [fs] 36e2c7421f: xfstests.generic.095.fail

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <202209081443.593ab12-yujie.liu@intel.com>
Date:   Thu, 8 Sep 2022 15:01:57 +0800
From:   kernel test robot <yujie.liu@...el.com>
To:     Christoph Hellwig <hch@....de>
CC:     <lkp@...ts.01.org>, <lkp@...el.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Kees Cook <keescook@...omium.org>,
        <linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>
Subject: [fs] 36e2c7421f: xfstests.generic.095.fail

Hi Christoph,

According to the commit message of below patch, we understand that it
removes splice support for some device drivers, but we don't have enough
knowledge to connect the code change with testcase result. We send this
report for your reference, please kindly check if it is an expected
result. Thanks.

Greeting,

FYI, we noticed the following commit (built with gcc-11):

commit: 36e2c7421f02a22f71c9283e55fdb672a9eb58e7 ("fs: don't allow splice read/write without explicit ops")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: xfstests
version: xfstests-x86_64-c1144bf-1_20220906
with following parameters:

	disk: 4HDD
	fs: udf
	test: generic-group-04

test-description: xfstests is a regression test suite for xfs and other files ystems.
test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git


on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz (Ivy Bridge) with 16G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


generic/095       - output mismatch (see /lkp/benchmarks/xfstests/results//generic/095.out.bad)
    --- tests/generic/095.out	2022-09-06 02:42:28.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//generic/095.out.bad	2022-09-07 23:13:18.214518845 +0000
    @@ -1,2 +1,12 @@
     QA output created by 095
    +fio: looks like splice doesn't work on this file system
    +fio: looks like splice doesn't work on this file system
    +fio: looks like splice doesn't work on this file system
    +fio: looks like splice doesn't work on this file system
    +fio: looks like splice doesn't work on this file system
    +fio: looks like splice doesn't work on this file system
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/095.out /lkp/benchmarks/xfstests/results//generic/095.out.bad'  to see the entire diff)


If you fix the issue, kindly add following tag
Reported-by: kernel test robot <yujie.liu@...el.com>
Link: https://lore.kernel.org/r/202209081443.593ab12-yujie.liu@intel.com


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        sudo bin/lkp install job.yaml           # job file is attached in this email
        bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
        sudo bin/lkp run generated-yaml-file

        # if come across any failure that blocks the test,
        # please remove ~/.lkp and /lkp dir to run from a clean state.


-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

View attachment "config-5.9.0-rc1-00006-g36e2c7421f02a" of type "text/plain" (156063 bytes)

View attachment "job-script" of type "text/plain" (5757 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (5944 bytes)

View attachment "xfstests" of type "text/plain" (3981 bytes)

View attachment "job.yaml" of type "text/plain" (4795 bytes)

View attachment "reproduce" of type "text/plain" (925 bytes)