1// Regression test for
2// https://code.google.com/p/address-sanitizer/issues/detail?id=183
3
4// RUN: %clangxx_asan -O2 %s -o %t
5// RUN: not %run %t 12 2>&1 | FileCheck %s
6// RUN: not %run %t 100 2>&1 | FileCheck %s
7// RUN: not %run %t 10000 2>&1 | FileCheck %s
8
9#include <stdlib.h>
10#include <string.h>
11#include <stdio.h>
12
13int main(int argc, char *argv[]) {
14 fprintf(stderr, format: "main\n");
15 int *x = new int[5];
16 memset(s: x, c: 0, n: sizeof(x[0]) * 5);
17 int index = atoi(nptr: argv[1]);
18 unsigned res = x[index];
19 // CHECK: main
20 // CHECK-NOT: CHECK failed
21 delete[] x;
22 return (res % 10) + 1;
23}
24

source code of compiler-rt/test/asan/TestCases/heap-overflow-large.cpp