1 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
2 // RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
3 // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
4 // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
5
6 #include <string.h>
main(int argc,char ** argv)7 int main(int argc, char **argv) {
8 static char XXX[10];
9 static char YYY[10];
10 static char ZZZ[10];
11 memset(XXX, 0, 10);
12 memset(YYY, 0, 10);
13 memset(ZZZ, 0, 10);
14 int res = YYY[argc * 10]; // BOOOM
15 // CHECK: {{READ of size 1 at 0x.* thread T0}}
16 // CHECK: {{ #0 0x.* in main .*global-overflow.cpp:}}[[@LINE-2]]
17 // CHECK: {{0x.* is located 0 bytes to the right of global variable}}
18 // CHECK: {{.*YYY.* of size 10}}
19 res += XXX[argc] + ZZZ[argc];
20 return res;
21 }
22