[Bug nss/27537] [2.33/2.34 Regression] FAIL: nss/tst-reload2

["stli at linux dot ibm.com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=27537

Stefan Liebler <stli at linux dot ibm.com> changed:

           What    |Removed                     |Added
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                 CC|                            |stli at linux dot ibm.com

--- Comment #9 from Stefan Liebler <stli at linux dot ibm.com> ---
I'm getting the same output if running this sequence:
$ cd <builddir>
$ rm -f testroot.root/etc/nsswitch.conf
$ make t=nss/tst-reload1 test
PASS: nss/tst-reload1
$ cat testroot.root/etc/nsswitch.conf
passwd: test2
group:  test2
hosts:  test2

$ make t=nss/tst-reload2 test
tst-reload2.c:112: numeric comparison failure
   left: 5 (0x5); from: pw->pw_uid
  right: 1234 (0x4d2); from: 1234
error: tst-reload2.c:130: not true: pw->pw_uid != 2468
tst-reload2.c:136: numeric comparison failure
   left: 5 (0x5); from: pw->pw_uid
  right: 1234 (0x4d2); from: 1234
error: tst-reload2.c:146: not true: he != NULL
error: 4 test failures

$ cat testroot.root/etc/nsswitch.conf
passwd: test2
group:  test2
hosts:  test2

According to tst-reload2.c and current nsswitch.conf, it is using pwd_table2,
which is PWD_N (5, "test1"). According to the
nss/tst-reload2.root/etc/nsswitch.conf, it should use PWD_N (1234, "test1") of
pwd_table1.

testroot.root/etc/nsswitch.conf was not synced by support/test-container.c as
the size (40 bytes) and timestamp (in case of a fresh git clone) of
nsswitch.conf files does not differ, but its content:
nss/tst-reload1.root/etc/nsswitch.conf
nss/tst-reload1.root/etc/nsswitch.conf2
nss/tst-reload2.root/etc/nsswitch.conf
nss/tst-reload2.root/subdir/etc/nsswitch.conf

You will also see fails if rerunning nss/tst-reload1 multiple times.

See discussion on mailing-list:
"[PATCH] Ensure that nsswitch.conf for nss/tst-reload[12] are really synced."
https://sourceware.org/pipermail/libc-alpha/2021-March/123614.html

Note:
I have not checked if this is also the case for nss/tst-nss-files-hosts-long.

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