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This is a new audit feature which only grants processes with CAP_AUDIT_CONTROL the ability to unset their loginuid. They cannot directly set it from a valid uid to another valid uid. The ability to unset the loginuid is nice because a priviledged task, like that of container creation, can unset the loginuid and then priv is not needed inside the container when a login daemon needs to set the loginuid. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: Richard Guy Briggs <rgb@redhat.com> Signed-off-by: Eric Paris <eparis@redhat.com>