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This bug is created as a clone of upstream ticket:
https://fedorahosted.org/sssd/ticket/2090

There is a bug in the NSS responder that bypasses the negative cache in case an object is not found by ID.

Fixed upstream.

master:
    0929629fd69df6e83f9986707b2a6462e0e273d0
    d82e648c8e5e86be94b069551998001d4cb3bdab 
sssd-1-11:
    20b158b515ce814363edc2d8a8634f467d37a71c
    a0b107df0cd7ba16713038bc3f705222f90798ca

Temporarily moving bugs to MODIFIED to work around errata tool bug

Tested with sssd-1.11.2-10.el7.x86_64

Output from Beaker automation run :

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:: [   LOG    ] :: nigative_cache_01: BZ 1009923
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

:: [   PASS   ] :: User lookup is expected to fail (Expected 2, got 2)
:: [   PASS   ] :: User lookup is expected to fail (Expected 2, got 2)
:: [   PASS   ] :: Running 'getent passwd ssstestuser1' (Expected 0, got 0)
:: [   LOG    ] :: Duration: 20s
:: [   LOG    ] :: Assertions: 3 good, 0 bad
:: [   PASS   ] :: RESULT: nigative_cache_01: BZ 1009923

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.