URL:
https://github.com/SSSD/sssd/pull/70
Title: #70: check_duplicate: check name member before using it
lslebodn commented:
"""
I would appreciate integration test for the crash.
Feel free to extend `test_extra_attribute_already_exists` or create new one.
"""
See the full comment at
https://github.com/SSSD/sssd/pull/70#issuecomment-259087435