Server: Repeated user results on search page (LDAP, (not only) PHP 7.2)

[blizzz]

(This is mostly a reminder for me)

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Steps to reproduce

1. Have LDAP configured and PHP up to 7.2 (old API)
2. Go to users page
3. Do a search

Expected behaviour

• Looked for user is being shown once

Actual behaviour

• Looked for user is being shown infinitely

[blizzz]

Reproducible also on CLI (and only with search term):

╚> php occ ldap:search 'j' --limit=2 --offset=2
Joyce, George (person_133173) (person_133173)

╚> php occ ldap:search 'j' --limit=2 --offset=12
Joyce, George (person_133173) (person_133173)

╚> php occ ldap:search '' --limit=2 --offset=0
Krista, Love (person_13317) (person_13317)
Victoria, Kennedy (person_133170) (person_133170)

╚> php occ ldap:search '' --limit=2 --offset=20
Ida, Mason (person_133172) (person_133172)
Joyce, George (person_133173) (person_133173)

[henry-rd]

Same problem on latest Nextcloud 19 (clean v.18 install + upgrade to 19) on PHP 7.4.
User directory from Windows Server 2019 AD

[nigle-dev]

Same here, 19.0.0 clean install with php 7.4 and FreeIPA as backend.
Also navigating to users -> everybody gives an infinite loop of the same users.

[blizzz]

Indeed. But also fixed with the same fix, coming with 19.0.1:

[CHBMB]

Just hit this issue on a fresh install of 19.0.0 and can confirm https://github.com/nextcloud/server/pull/21108 fixes the issue for me.

Thanks @blizzz