Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 1 | // RUN: %clangxx_cfi -o %t1 %s |
| 2 | // RUN: %expect_crash %t1 a 2>&1 | FileCheck --check-prefix=FAIL %s |
| 3 | // RUN: %expect_crash %t1 b 2>&1 | FileCheck --check-prefix=FAIL %s |
| 4 | // RUN: %expect_crash %t1 c 2>&1 | FileCheck --check-prefix=FAIL %s |
| 5 | // RUN: %t1 d 2>&1 | FileCheck --check-prefix=PASS %s |
| 6 | // RUN: %t1 e 2>&1 | FileCheck --check-prefix=PASS %s |
| 7 | // RUN: %t1 f 2>&1 | FileCheck --check-prefix=PASS %s |
| 8 | // RUN: %expect_crash %t1 g 2>&1 | FileCheck --check-prefix=FAIL %s |
| 9 | // RUN: %t1 h 2>&1 | FileCheck --check-prefix=PASS %s |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 10 | |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 11 | // RUN: %clangxx_cfi -DB32 -o %t2 %s |
| 12 | // RUN: %expect_crash %t2 a 2>&1 | FileCheck --check-prefix=FAIL %s |
| 13 | // RUN: %expect_crash %t2 b 2>&1 | FileCheck --check-prefix=FAIL %s |
| 14 | // RUN: %expect_crash %t2 c 2>&1 | FileCheck --check-prefix=FAIL %s |
| 15 | // RUN: %t2 d 2>&1 | FileCheck --check-prefix=PASS %s |
| 16 | // RUN: %t2 e 2>&1 | FileCheck --check-prefix=PASS %s |
| 17 | // RUN: %t2 f 2>&1 | FileCheck --check-prefix=PASS %s |
| 18 | // RUN: %expect_crash %t2 g 2>&1 | FileCheck --check-prefix=FAIL %s |
| 19 | // RUN: %t2 h 2>&1 | FileCheck --check-prefix=PASS %s |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 20 | |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 21 | // RUN: %clangxx_cfi -DB64 -o %t3 %s |
| 22 | // RUN: %expect_crash %t3 a 2>&1 | FileCheck --check-prefix=FAIL %s |
| 23 | // RUN: %expect_crash %t3 b 2>&1 | FileCheck --check-prefix=FAIL %s |
| 24 | // RUN: %expect_crash %t3 c 2>&1 | FileCheck --check-prefix=FAIL %s |
| 25 | // RUN: %t3 d 2>&1 | FileCheck --check-prefix=PASS %s |
| 26 | // RUN: %t3 e 2>&1 | FileCheck --check-prefix=PASS %s |
| 27 | // RUN: %t3 f 2>&1 | FileCheck --check-prefix=PASS %s |
| 28 | // RUN: %expect_crash %t3 g 2>&1 | FileCheck --check-prefix=FAIL %s |
| 29 | // RUN: %t3 h 2>&1 | FileCheck --check-prefix=PASS %s |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 30 | |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 31 | // RUN: %clangxx_cfi -DBM -o %t4 %s |
| 32 | // RUN: %expect_crash %t4 a 2>&1 | FileCheck --check-prefix=FAIL %s |
| 33 | // RUN: %expect_crash %t4 b 2>&1 | FileCheck --check-prefix=FAIL %s |
| 34 | // RUN: %expect_crash %t4 c 2>&1 | FileCheck --check-prefix=FAIL %s |
| 35 | // RUN: %t4 d 2>&1 | FileCheck --check-prefix=PASS %s |
| 36 | // RUN: %t4 e 2>&1 | FileCheck --check-prefix=PASS %s |
| 37 | // RUN: %t4 f 2>&1 | FileCheck --check-prefix=PASS %s |
| 38 | // RUN: %expect_crash %t4 g 2>&1 | FileCheck --check-prefix=FAIL %s |
| 39 | // RUN: %t4 h 2>&1 | FileCheck --check-prefix=PASS %s |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 40 | |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 41 | // RUN: %clangxx_cfi -fsanitize=cfi-cast-strict -o %t5 %s |
| 42 | // RUN: %expect_crash %t5 a 2>&1 | FileCheck --check-prefix=FAIL %s |
| 43 | // RUN: %expect_crash %t5 b 2>&1 | FileCheck --check-prefix=FAIL %s |
| 44 | // RUN: %expect_crash %t5 c 2>&1 | FileCheck --check-prefix=FAIL %s |
| 45 | // RUN: %expect_crash %t5 d 2>&1 | FileCheck --check-prefix=FAIL %s |
| 46 | // RUN: %expect_crash %t5 e 2>&1 | FileCheck --check-prefix=FAIL %s |
| 47 | // RUN: %expect_crash %t5 f 2>&1 | FileCheck --check-prefix=FAIL %s |
| 48 | // RUN: %expect_crash %t5 g 2>&1 | FileCheck --check-prefix=FAIL %s |
| 49 | // RUN: %expect_crash %t5 h 2>&1 | FileCheck --check-prefix=FAIL %s |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 50 | |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 51 | // RUN: %clangxx -o %t6 %s |
| 52 | // RUN: %t6 a 2>&1 | FileCheck --check-prefix=PASS %s |
| 53 | // RUN: %t6 b 2>&1 | FileCheck --check-prefix=PASS %s |
| 54 | // RUN: %t6 c 2>&1 | FileCheck --check-prefix=PASS %s |
| 55 | // RUN: %t6 d 2>&1 | FileCheck --check-prefix=PASS %s |
| 56 | // RUN: %t6 e 2>&1 | FileCheck --check-prefix=PASS %s |
| 57 | // RUN: %t6 f 2>&1 | FileCheck --check-prefix=PASS %s |
| 58 | // RUN: %t6 g 2>&1 | FileCheck --check-prefix=PASS %s |
| 59 | // RUN: %t6 h 2>&1 | FileCheck --check-prefix=PASS %s |
| 60 | |
| 61 | // RUN: %clangxx_cfi_diag -o %t7 %s |
| 62 | // RUN: %t7 a 2>&1 | FileCheck --check-prefix=CFI-DIAG-D %s |
| 63 | // RUN: %t7 b 2>&1 | FileCheck --check-prefix=CFI-DIAG-D %s |
| 64 | // RUN: %t7 c 2>&1 | FileCheck --check-prefix=CFI-DIAG-D %s |
| 65 | // RUN: %t7 g 2>&1 | FileCheck --check-prefix=CFI-DIAG-U %s |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 66 | |
| 67 | // Tests that the CFI enforcement detects bad casts. |
| 68 | |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 69 | // REQUIRES: cxxabi |
| 70 | |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 71 | #include <stdio.h> |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 72 | #include "utils.h" |
| 73 | |
| 74 | struct A { |
| 75 | virtual void f(); |
| 76 | }; |
| 77 | |
| 78 | void A::f() {} |
| 79 | |
| 80 | struct B : A { |
| 81 | virtual void f(); |
| 82 | }; |
| 83 | |
| 84 | void B::f() {} |
| 85 | |
| 86 | struct C : A { |
| 87 | }; |
| 88 | |
| 89 | int main(int argc, char **argv) { |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 90 | create_derivers<B>(); |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 91 | |
| 92 | B *b = new B; |
| 93 | break_optimization(b); |
| 94 | |
| 95 | // FAIL: 1 |
| 96 | // PASS: 1 |
| 97 | fprintf(stderr, "1\n"); |
| 98 | |
| 99 | A a; |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 100 | |
| 101 | // CFI-DIAG-D: runtime error: control flow integrity check for type 'B' failed during base-to-derived cast |
| 102 | // CFI-DIAG-D-NEXT: note: vtable is of type '{{(struct )?}}A' |
| 103 | |
| 104 | // CFI-DIAG-U: runtime error: control flow integrity check for type 'B' failed during cast to unrelated type |
| 105 | // CFI-DIAG-U-NEXT: note: vtable is of type '{{(struct )?}}A' |
| 106 | |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 107 | switch (argv[1][0]) { |
| 108 | case 'a': |
| 109 | static_cast<B *>(&a); // UB |
| 110 | break; |
| 111 | case 'b': |
| 112 | static_cast<B &>(a); // UB |
| 113 | break; |
| 114 | case 'c': |
| 115 | static_cast<B &&>(a); // UB |
| 116 | break; |
| 117 | case 'd': |
| 118 | static_cast<C *>(&a); // UB, strict only |
| 119 | break; |
| 120 | case 'e': |
| 121 | static_cast<C &>(a); // UB, strict only |
| 122 | break; |
| 123 | case 'f': |
| 124 | static_cast<C &&>(a); // UB, strict only |
| 125 | break; |
| 126 | case 'g': |
| 127 | static_cast<B *>(static_cast<void *>(&a)); // Non-UB bad cast |
| 128 | break; |
| 129 | case 'h': |
| 130 | static_cast<C *>(static_cast<void *>(&a)); // Non-UB bad cast, strict only |
| 131 | break; |
| 132 | } |
| 133 | |
Pirama Arumuga Nainar | 799172d | 2016-03-03 15:50:30 -0800 | [diff] [blame^] | 134 | // FAIL-NOT: {{^2$}} |
| 135 | // PASS: {{^2$}} |
Pirama Arumuga Nainar | 7c91505 | 2015-04-08 08:58:29 -0700 | [diff] [blame] | 136 | fprintf(stderr, "2\n"); |
| 137 | } |