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
main(int argc,char ** argv)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];
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
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
39