fixup_free
bool (*fixup_free)(void *addr, enum debug_obj_state state);
.fixup_free = hrtimer_fixup_free,
.fixup_free = timer_fixup_free,
.fixup_free = work_fixup_free,
debug_object_fixup(descr->fixup_free, addr, o.state);
debug_object_fixup(o.descr->fixup_free, (void *)oaddr, o.state);
.fixup_free = fixup_free,
.fixup_free = percpu_counter_fixup_free,