c
static __always_inline void maybe_wipe_obj_freeptr(struct kmem_cache *s,
						   void *obj)
{
	if (!s || !obj || !is_valid_pointer(obj))
		return;

	if (unlikely(slab_want_init_on_free(s)))
		memset((void *)((char *)kasan_reset_tag(obj) + s->offset),
			0, sizeof(void *));
}

// Assume is_valid_pointer is a function that checks if a pointer is valid
bool is_valid_pointer(void *ptr) {
	// implementation of is_valid_pointer
}
