compiler-rt/test/asan/TestCases/Linux/new_array_cookie_test.cc


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// REQUIRES: asan-64-bits
// RUN: %clangxx_asan -O3 %s -o %t
// RUN                                     %run %t
// RUN: ASAN_OPTIONS=poison_array_cookie=1 not %run %t 2>&1  | FileCheck %s
// RUN: ASAN_OPTIONS=poison_array_cookie=0 %run %t
#include <stdio.h>
struct C {
  int x;
  ~C() {fprintf(stderr, "ZZZZZZZZ\n");}
};

int main(int argc, char **argv) {
  C *buffer = new C[argc];
  buffer[-2].x = 10;
// CHECK: AddressSanitizer: heap-buffer-overflow
// CHECK: in main {{.*}}new_array_cookie_test.cc:[[@LINE-2]]
// CHECK: is located 0 bytes inside of 12-byte region
  delete [] buffer;
}