如果一个指针被释放，那么它指向的内容呢?它会不会受到影响?

as in the following code:

如下文所示:

typedef struct list {
  ...
  ...
  struct Data *data;
} List;

List* list = (List*)malloc(sizeof(List))
struct Data* data = (struct Data*) malloc(sizeof(struct Data));

 .....// here fill the `data`

list->data = data;
 ....
 struct Data* new_data = list->data;
 free(list); /* my question is: will this `free` influence `new_data` */
typedef st