| 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 | |