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Date:   Sun, 6 Feb 2022 17:47:34 +0100
From:   Chris Hofstaedtler <zeha@...ian.org>
To:     Masatake YAMATO <yamato@...hat.com>
Cc:     matorola@...il.com, kzak@...hat.com, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, util-linux@...r.kernel.org
Subject: Re: [ANNOUNCE] util-linux v2.38-rc1

Hello Masatake YAMATO,

Thank you for the followup.

* Masatake YAMATO <yamato@...hat.com> [220204 19:03]:
> > Could you tell me what kind of file system for /etc/passwd do you use for testing?

sbuild/schroot can use different mechanisms, but in this case / is
overlayfs (the underlying fs is ext4):
   unstable-amd64-sbuild on / type overlay (rw,relatime,...)

ls -la /etc/passwd
-rw-r--r-- 1 root root 2397 Feb  6 16:41 /etc/passwd
stat /etc/passwd
  File: /etc/passwd
  Size: 2397            Blocks: 8          IO Block: 4096   regular file
Device: 33h/51d Inode: 1311528     Links: 1
Access: (0644/-rw-r--r--)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2022-02-06 16:41:26.880589326 +0000
Modify: 2022-02-06 16:41:26.720591039 +0000
Change: 2022-02-06 16:41:26.720591039 +0000
 Birth: -
mount

> As I commented on GitHub, I made a pull request for fixing this issue.
> I found a bug in the test case, not in lsfd itself.
> 
> https://github.com/util-linux/util-linux/pull/1595
> https://github.com/util-linux/util-linux/pull/1595/commits/abd93fcecfbb1a1fac7032fac9d2903c5d2d3a38
>
> > When trying to reproduce the bug, could you applying the following change?

I have applied abd93fcecfbb1a1fac7032fac9d2903c5d2d3a38 alone, which
does not help in my case (DEV[STR] is 0 instead of 1).

I have also applied #1595 in full in a second build, see output
below.

Many thanks,
Chris



     script: /<<PKGBUILDDIR>>/tests/ts/lsfd/mkfds-ro-regular-file
   commands: /<<PKGBUILDDIR>>/
    helpers: /<<PKGBUILDDIR>>/
    sub dir: /<<PKGBUILDDIR>>/tests/ts/lsfd
    top dir: /<<PKGBUILDDIR>>/tests
       self: /<<PKGBUILDDIR>>/tests/ts/lsfd
  test name: mkfds-ro-regular-file
  test desc: read-only regular file
  component: lsfd
  namespace: lsfd/mkfds-ro-regular-file
    verbose: yes
     output: /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-ro-regular-file
  error log: /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-ro-regular-file.err
  exit code: /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-ro-regular-file.exit_code
   valgrind: /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-ro-regular-file.vgdump
   expected: /<<PKGBUILDDIR>>/tests/expected/lsfd/mkfds-ro-regular-file{.err}
 mountpoint: /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-ro-regular-file-mnt

         lsfd: read-only regular file         ... FAILED (lsfd/mkfds-ro-regular-file)
========= script: /<<PKGBUILDDIR>>/tests/ts/lsfd/mkfds-ro-regular-file =================
================= OUTPUT =====================
     1	ABC         3  r--  REG /etc/passwd   1
     2	COMMAND,ASSOC,MODE,TYPE,NAME,POS: 0
     3	PID[RUN]: 0
     4	PID[STR]: 0
     5	INODE[RUN]: 0
     6	INODE[STR]: 0
     7	UID[RUN]: 0
     8	UID[STR]: 0
     9	USER[RUN]: 0
    10	USER[STR]: 0
    11	SIZE[RUN]: 0
    12	SIZE[STR]: 0
    13	MNTID[RUN]: 0
    14	DEV[RUN]: 0
    15	FINDMNT[RUN]: 0
    16	DEV[STR]: 1
    17	MNTID: 312
    18	DEV: 0:50
    19	MNTID DEV: 312 0:50
    20	FINDMNT_MNTID_DEV: 312 0:48
================= EXPECTED ===================
     1	ABC         3  r--  REG /etc/passwd   1
     2	COMMAND,ASSOC,MODE,TYPE,NAME,POS: 0
     3	PID[RUN]: 0
     4	PID[STR]: 0
     5	INODE[RUN]: 0
     6	INODE[STR]: 0
     7	UID[RUN]: 0
     8	UID[STR]: 0
     9	USER[RUN]: 0
    10	USER[STR]: 0
    11	SIZE[RUN]: 0
    12	SIZE[STR]: 0
    13	MNTID[RUN]: 0
    14	DEV[RUN]: 0
    15	FINDMNT[RUN]: 0
    16	DEV[STR]: 0
================= O/E diff ===================
--- /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-ro-regular-file	2022-02-06 16:37:28.111146267 +0000
+++ /<<PKGBUILDDIR>>/tests/expected/lsfd/mkfds-ro-regular-file	2022-01-31 14:57:47.000000000 +0000
@@ -13,8 +13,4 @@
 MNTID[RUN]: 0
 DEV[RUN]: 0
 FINDMNT[RUN]: 0
-DEV[STR]: 1
-MNTID: 312
-DEV: 0:50
-MNTID DEV: 312 0:50
-FINDMNT_MNTID_DEV: 312 0:48
+DEV[STR]: 0
==============================================

     script: /<<PKGBUILDDIR>>/tests/ts/lsfd/mkfds-rw-character-device
   commands: /<<PKGBUILDDIR>>/
    helpers: /<<PKGBUILDDIR>>/
    sub dir: /<<PKGBUILDDIR>>/tests/ts/lsfd
    top dir: /<<PKGBUILDDIR>>/tests
       self: /<<PKGBUILDDIR>>/tests/ts/lsfd
  test name: mkfds-rw-character-device
  test desc: character device with O_RDWR
  component: lsfd
  namespace: lsfd/mkfds-rw-character-device
    verbose: yes
     output: /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-rw-character-device
  error log: /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-rw-character-device.err
  exit code: /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-rw-character-device.exit_code
   valgrind: /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-rw-character-device.vgdump
   expected: /<<PKGBUILDDIR>>/tests/expected/lsfd/mkfds-rw-character-device{.err}
 mountpoint: /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-rw-character-device-mnt

         lsfd: character device with O_RDWR   ... FAILED (lsfd/mkfds-rw-character-device)
========= script: /<<PKGBUILDDIR>>/tests/ts/lsfd/mkfds-rw-character-device =================
================= OUTPUT =====================
     1	    3  rw-  CHR /dev/zero  mem:5   0     1:5    mem    char  1:5
     2	ASSOC,MODE,TYPE,NAME,SOURCE,POS,MAJ:MIN,CHRDRV,DEVTYPE,RDEV: 0
     3	MNTID[RUN]: 0
     4	DEV[RUN]: 0
     5	FINDMNT[RUN]: 0
     6	DEV[STR]: 1
     7	MNTID: 312
     8	DEV: 0:50
     9	MNTID DEV: 312 0:50
    10	FINDMNT_MNTID_DEV: 312 0:48
================= EXPECTED ===================
     1	    3  rw-  CHR /dev/zero  mem:5   0     1:5    mem    char  1:5
     2	ASSOC,MODE,TYPE,NAME,SOURCE,POS,MAJ:MIN,CHRDRV,DEVTYPE,RDEV: 0
     3	MNTID[RUN]: 0
     4	DEV[RUN]: 0
     5	FINDMNT[RUN]: 0
     6	DEV[STR]: 0
================= O/E diff ===================
--- /<<PKGBUILDDIR>>/tests/output/lsfd/mkfds-rw-character-device	2022-02-06 16:37:28.675140230 +0000
+++ /<<PKGBUILDDIR>>/tests/expected/lsfd/mkfds-rw-character-device	2022-01-31 14:57:47.000000000 +0000
@@ -3,8 +3,4 @@
 MNTID[RUN]: 0
 DEV[RUN]: 0
 FINDMNT[RUN]: 0
-DEV[STR]: 1
-MNTID: 312
-DEV: 0:50
-MNTID DEV: 312 0:50
-FINDMNT_MNTID_DEV: 312 0:48
+DEV[STR]: 0
==============================================

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