linux-kernel - [fs/exec] 80bd5afdd8: xfstests.generic.633.fail

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Date:   Mon, 31 Jan 2022 22:43:52 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Ariadne Conill <ariadne@...eferenced.org>
Cc:     0day robot <lkp@...el.com>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Matthew Wilcox <willy@...radead.org>,
        Christian Brauner <brauner@...nel.org>,
        Rich Felker <dalias@...c.org>,
        Eric Biederman <ebiederm@...ssion.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Kees Cook <keescook@...omium.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org,
        Ariadne Conill <ariadne@...eferenced.org>, linux-mm@...ck.org,
        stable@...r.kernel.org
Subject: [fs/exec]  80bd5afdd8: xfstests.generic.633.fail



Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: 80bd5afdd8568e41fc3a75c695bb179e0d9eee4d ("[PATCH v3] fs/exec: require argv[0] presence in do_execveat_common()")
url: https://github.com/0day-ci/linux/commits/Ariadne-Conill/fs-exec-require-argv-0-presence-in-do_execveat_common/20220127-080829
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 2c271fe77d52a0555161926c232cd5bc07178b39
patch link: https://lore.kernel.org/lkml/20220127000724.15106-1-ariadne@dereferenced.org

in testcase: xfstests
version: xfstests-x86_64-972d710-1_20220127
with following parameters:

	disk: 4HDD
	fs: f2fs
	test: generic-group-31
	ucode: 0xe2

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>



user  :warn  : [  208.077271] run fstests generic/633 at 2022-01-30 04:50:49
kern  :warn  : [  208.529090] Attempted to run process '/dev/fd/5/file1' with NULL argv
user  :notice: [  208.806756] generic/633       [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//generic/633.out.bad)

user  :notice: [  208.826454]     --- tests/generic/633.out     2022-01-27 11:54:16.000000000 +0000

user  :notice: [  208.842458]     +++ /lkp/benchmarks/xfstests/results//generic/633.out.bad     2022-01-30 04:50:49.769538285 +0000

user  :notice: [  208.859622]     @@ -1,2 +1,4 @@

user  :warn  : [  208.860623] run fstests generic/634 at 2022-01-30 04:50:49
user  :notice: [  208.866037]      QA output created by 633

user  :notice: [  208.889262]      Silence is golden

user  :notice: [  208.901240]     +idmapped-mounts.c: 3608: setid_binaries - Invalid argument - failure: sys_execveat

user  :notice: [  208.918907]     +idmapped-mounts.c: 13953: run_test - Success - failure: setid binaries on regular mounts

user  :notice: [  208.935261]     ...

user  :notice: [  208.949376]     (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.



---
0DAY/LKP+ Test Infrastructure                   Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org       Intel Corporation

Thanks,
Oliver Sang


View attachment "config-5.16.0-11414-g80bd5afdd856" of type "text/plain" (178869 bytes)

View attachment "job-script" of type "text/plain" (5776 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (27480 bytes)

View attachment "xfstests" of type "text/plain" (2567 bytes)

View attachment "job.yaml" of type "text/plain" (4734 bytes)

View attachment "reproduce" of type "text/plain" (918 bytes)