1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
error: dereferencing a null pointer
--> $DIR/lint-deref-nullptr.rs:15:18
|
LL | let ub = *(0 as *const i32);
| ^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
|
note: the lint level is defined here
--> $DIR/lint-deref-nullptr.rs:3:9
|
LL | #![deny(deref_nullptr)]
| ^^^^^^^^^^^^^
error: dereferencing a null pointer
--> $DIR/lint-deref-nullptr.rs:17:18
|
LL | let ub = *ptr::null::<i32>();
| ^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
error: dereferencing a null pointer
--> $DIR/lint-deref-nullptr.rs:19:18
|
LL | let ub = *ptr::null_mut::<i32>();
| ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
error: dereferencing a null pointer
--> $DIR/lint-deref-nullptr.rs:21:18
|
LL | let ub = *(ptr::null::<i16>() as *const i32);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
error: dereferencing a null pointer
--> $DIR/lint-deref-nullptr.rs:23:18
|
LL | let ub = *(ptr::null::<i16>() as *mut i32 as *mut usize as *const u8);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
error: dereferencing a null pointer
--> $DIR/lint-deref-nullptr.rs:25:19
|
LL | let ub = &*ptr::null::<i32>();
| ^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
error: dereferencing a null pointer
--> $DIR/lint-deref-nullptr.rs:27:19
|
LL | let ub = &*ptr::null_mut::<i32>();
| ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
error: dereferencing a null pointer
--> $DIR/lint-deref-nullptr.rs:33:36
|
LL | let offset = ptr::addr_of!((*ptr::null::<Struct>()).field);
| ^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
error: aborting due to 8 previous errors
|
