1 | // RUN: %clangxx_cfi -o %t1 %s |
2 | // RUN: %expect_crash %run %t1 2>&1 | FileCheck --check-prefix=CFI %s |
3 | |
4 | // RUN: %clangxx_cfi -DB32 -o %t2 %s |
5 | // RUN: %expect_crash %run %t2 2>&1 | FileCheck --check-prefix=CFI %s |
6 | |
7 | // RUN: %clangxx_cfi -DB64 -o %t3 %s |
8 | // RUN: %expect_crash %run %t3 2>&1 | FileCheck --check-prefix=CFI %s |
9 | |
10 | // RUN: %clangxx_cfi -DBM -o %t4 %s |
11 | // RUN: %expect_crash %run %t4 2>&1 | FileCheck --check-prefix=CFI %s |
12 | |
13 | // RUN: %clangxx -o %t5 %s |
14 | // RUN: %run %t5 2>&1 | FileCheck --check-prefix=NCFI %s |
15 | |
16 | // RUN: %clangxx_cfi_diag -o %t6 %s |
17 | // RUN: %run %t6 2>&1 | FileCheck --check-prefix=CFI-DIAG %s |
18 | |
19 | // Tests that the CFI enforcement also applies to virtual destructor calls made |
20 | // via 'delete'. |
21 | |
22 | // REQUIRES: cxxabi |
23 | |
24 | #include <stdio.h> |
25 | #include "utils.h" |
26 | |
27 | struct A { |
28 | virtual ~A(); |
29 | }; |
30 | |
31 | A::~A() {} |
32 | |
33 | struct B { |
34 | virtual ~B(); |
35 | }; |
36 | |
37 | B::~B() {} |
38 | |
39 | int main() { |
40 | create_derivers<B>(); |
41 | |
42 | A *a = new A; |
43 | break_optimization(arg: a); |
44 | |
45 | // CFI: 1 |
46 | // NCFI: 1 |
47 | fprintf(stderr, format: "1\n" ); |
48 | |
49 | // CFI-DIAG: runtime error: control flow integrity check for type 'B' failed during virtual call |
50 | // CFI-DIAG-NEXT: note: vtable is of type '{{(struct )?}}A' |
51 | delete (B *)a; // UB here |
52 | |
53 | // CFI-NOT: {{^2$}} |
54 | // NCFI: {{^2$}} |
55 | fprintf(stderr, format: "2\n" ); |
56 | } |
57 | |