| // RUN: %clang_asan -O0 %s -o %t |
| // RUN: %run %t 0x00 2>&1 | FileCheck %s -check-prefix=X00 |
| // RUN: not %run %t 0xf1 2>&1 | FileCheck %s -check-prefix=XF1 |
| // RUN: not %run %t 0xf2 2>&1 | FileCheck %s -check-prefix=XF2 |
| // RUN: not %run %t 0xf3 2>&1 | FileCheck %s -check-prefix=XF3 |
| // RUN: not %run %t 0xf5 2>&1 | FileCheck %s -check-prefix=XF5 |
| // RUN: not %run %t 0xf8 2>&1 | FileCheck %s -check-prefix=XF8 |
| |
| // XFAIL: win32 |
| |
| #include <assert.h> |
| #include <sanitizer/asan_interface.h> |
| #include <stddef.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| void __asan_set_shadow_00(size_t addr, size_t size); |
| void __asan_set_shadow_f1(size_t addr, size_t size); |
| void __asan_set_shadow_f2(size_t addr, size_t size); |
| void __asan_set_shadow_f3(size_t addr, size_t size); |
| void __asan_set_shadow_f5(size_t addr, size_t size); |
| void __asan_set_shadow_f8(size_t addr, size_t size); |
| |
| char a __attribute__((aligned(8))); |
| |
| void f(long arg) { |
| size_t shadow_offset; |
| size_t shadow_scale; |
| __asan_get_shadow_mapping(&shadow_scale, &shadow_offset); |
| size_t addr = (((size_t)&a) >> shadow_scale) + shadow_offset; |
| |
| switch (arg) { |
| // X00-NOT: AddressSanitizer |
| // X00: PASS |
| case 0x00: |
| return __asan_set_shadow_00(addr, 1); |
| // XF1: AddressSanitizer: stack-buffer-underflow |
| // XF1: [f1] |
| case 0xf1: |
| return __asan_set_shadow_f1(addr, 1); |
| // XF2: AddressSanitizer: stack-buffer-overflow |
| // XF2: [f2] |
| case 0xf2: |
| return __asan_set_shadow_f2(addr, 1); |
| // XF3: AddressSanitizer: stack-buffer-overflow |
| // XF3: [f3] |
| case 0xf3: |
| return __asan_set_shadow_f3(addr, 1); |
| // XF5: AddressSanitizer: stack-use-after-return |
| // XF5: [f5] |
| case 0xf5: |
| return __asan_set_shadow_f5(addr, 1); |
| // XF8: AddressSanitizer: stack-use-after-scope |
| // XF8: [f8] |
| case 0xf8: |
| return __asan_set_shadow_f8(addr, 1); |
| } |
| assert(0); |
| } |
| |
| int main(int argc, char **argv) { |
| assert(argc > 1); |
| |
| long arg = strtol(argv[1], 0, 16); |
| f(arg); |
| a = 1; |
| printf("PASS\n"); |
| return 0; |
| } |