| Alexey Samsonov | 4f319cc | 2014-07-02 16:54:41 +0000 | [diff] [blame] | 1 | // RUN: %clangxx_asan -O2 %s -o %t |
| 2 | // RUN: not %run %t g 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=GLOB |
| 3 | // RUN: not %run %t c 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CLASS_STATIC |
| 4 | // RUN: not %run %t f 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=FUNC_STATIC |
| 5 | // RUN: not %run %t l 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=LITERAL |
| 6 | |
| 7 | // CHECK: AddressSanitizer: global-buffer-overflow |
| 8 | |
| 9 | #include <string.h> |
| 10 | |
| 11 | struct C { |
| 12 | static int array[10]; |
| 13 | }; |
| 14 | |
| 15 | int global[10]; |
| 16 | // GLOB: 0x{{.*}} is located 4 bytes to the right of global variable 'global' defined in '{{.*}}global-location.cc:[[@LINE-1]]:5' {{.*}} of size 40 |
| 17 | int C::array[10]; |
| 18 | // CLASS_STATIC: 0x{{.*}} is located 4 bytes to the right of global variable 'C::array' defined in '{{.*}}global-location.cc:[[@LINE-1]]:8' {{.*}} of size 40 |
| 19 | |
| 20 | int main(int argc, char **argv) { |
| 21 | int one = argc - 1; |
| 22 | switch (argv[1][0]) { |
| 23 | case 'g': return global[one * 11]; |
| 24 | case 'c': return C::array[one * 11]; |
| 25 | case 'f': |
| 26 | static int array[10]; |
| Alexey Samsonov | 15c9669 | 2014-07-12 00:42:52 +0000 | [diff] [blame] | 27 | // FUNC_STATIC: 0x{{.*}} is located 4 bytes to the right of global variable 'array' defined in '{{.*}}global-location.cc:[[@LINE-1]]:16' {{.*}} of size 40 |
| Alexey Samsonov | 4f319cc | 2014-07-02 16:54:41 +0000 | [diff] [blame] | 28 | memset(array, 0, 10); |
| 29 | return array[one * 11]; |
| 30 | case 'l': |
| 31 | const char *str = "0123456789"; |
| 32 | // LITERAL: 0x{{.*}} is located 0 bytes to the right of global variable {{.*}} defined in '{{.*}}global-location.cc:[[@LINE-1]]:23' {{.*}} of size 11 |
| 33 | return str[one * 11]; |
| 34 | } |
| 35 | return 0; |
| 36 | } |
| 37 | |
| 38 | // CHECK: SUMMARY: AddressSanitizer: global-buffer-overflow |