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This bug is created as a clone of upstream ticket:
https://fedorahosted.org/sssd/ticket/2157

if the user configures sssd to use ad_matching_rule and there are no group members, the SSSD accesses random data and crashes.

Fixed upstream:
    master: 7a8f19affd2a050fd2e9631a54c0e67048d3920c
    sssd-1-11: c55ba1127071f7e6a622d8655d89726128d73981
    sssd-1-9: 9fcfa6c6e0469b955459f5df7309df28e0f07cf7

Verified in version 1.11.2-30.el7

Output from beaker automation run:
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:: [   LOG    ] :: bug_automation_002: bz 1033084 empty group cannot be resolved using ad_matching_rule
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

:: [   PASS   ] :: Running 'getent group empty_group' (Expected 0, got 0)
:: [   LOG    ] :: Duration: 14s
:: [   LOG    ] :: Assertions: 1 good, 0 bad
:: [   PASS   ] :: RESULT: bug_automation_002: bz 1033084 empty group cannot be resolved using ad_matching_rule

This request was resolved in Red Hat Enterprise Linux 7.0.

Contact your manager or support representative in case you have further questions about the request.