linux-kernel - [fs] e1bbcd277a: xfstests.generic.633.fail

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Date:   Thu, 9 Jun 2022 16:17:42 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Christian Brauner <christian.brauner@...ntu.com>
Cc:     Christian Brauner <brauner@...nel.org>,
        Seth Forshee <seth.forshee@...italocean.com>,
        Christoph Hellwig <hch@....de>,
        Al Viro <viro@...iv.linux.org.uk>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-fsdevel@...r.kernel.org, lkp@...ts.01.org, lkp@...el.com
Subject: [fs]  e1bbcd277a: xfstests.generic.633.fail



Greeting,

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

commit: e1bbcd277a53e08d619ffeec56c5c9287f2bf42f ("fs: hold writers when changing mount's idmapping")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: xfstests
version: xfstests-x86_64-64f2596-1_20220518
with following parameters:

	disk: 4HDD
	fs: xfs
	test: generic-group-31
	ucode: 0xec

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: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz with 32G memory

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




If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>


generic/633	- output mismatch (see /lkp/benchmarks/xfstests/results//generic/633.out.bad)
    --- tests/generic/633.out	2022-05-18 12:17:48.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//generic/633.out.bad	2022-06-07 15:37:21.117002738 +0000
    @@ -1,2 +1,10 @@
     QA output created by 633
     Silence is golden
    +idmapped-mounts.c: 8692: idmapped_mount_create_cb - Device or resource busy - failure: sys_mount_setattr
    +idmapped-mounts.c: 8692: idmapped_mount_create_cb - Device or resource busy - failure: sys_mount_setattr
    +idmapped-mounts.c: 8692: idmapped_mount_create_cb - Device or resource busy - failure: sys_mount_setattr
    +idmapped-mounts.c: 8692: idmapped_mount_create_cb - Device or resource busy - failure: sys_mount_setattr
    +idmapped-mounts.c: 8692: idmapped_mount_create_cb - Device or resource busy - failure: sys_mount_setattr
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/633.out /lkp/benchmarks/xfstests/results//generic/633.out.bad'  to see the entire diff)



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-5.18.0-rc4-00002-ge1bbcd277a53" of type "text/plain" (166089 bytes)

View attachment "job-script" of type "text/plain" (5665 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (29708 bytes)

View attachment "xfstests" of type "text/plain" (2659 bytes)

View attachment "job.yaml" of type "text/plain" (4718 bytes)

View attachment "reproduce" of type "text/plain" (1035 bytes)