compiler-rt/test/asan/TestCases/Windows/operator_array_new_left_oob.cpp

   1 // RUN: %clang_cl_asan %Od %s %Fe%t
   2 // RUN: not %run %t 2>&1 | FileCheck %s
   3
   4 int main() {
   5   char *buffer = new char[42];
   6   buffer[-1] = 42;
   7   // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
   8   // CHECK: WRITE of size 1 at [[ADDR]] thread T0
   9   // CHECK-NEXT: {{#0 .* main .*operator_array_new_left_oob.cpp}}:[[@LINE-3]]
  10   //
  11   // CHECK: [[ADDR]] is located 1 bytes before 42-byte region
  12   // CHECK-LABEL: allocated by thread T0 here:
  13   // CHECK-NEXT: {{#0 .* operator new}}[]
  14   // CHECK-NEXT: {{#1 .* main .*operator_array_new_left_oob.cpp}}:[[@LINE-9]]
  15   delete [] buffer;
  16 }