smack-team/smack — pull request #67 by rafal-krypa (2013-11-29 19:43:53+00:00)
Title: Segfault in smack_revoke_subject() and smack_set_label_for_self()

Pull request #46 caused this API function to segfault. It uses `get_label(NULL, label)` in these API functions, but `get_label()` unconditionally treats first argument as a valid pointer.