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

   1 // RUN: %clang_cl_asan %Od %s %Fe%t
   2 // RUN: not %run %t 2>&1 | FileCheck %s
   3
   4 #include <windows.h>
   5
   6 int main() {
   7   char *buffer = new char;
   8   buffer[-1] = 42;
   9 // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
  10 // CHECK: WRITE of size 1 at [[ADDR]] thread T0
  11 // CHECK:   {{#0 .* main .*operator_new_left_oob.cpp}}:[[@LINE-3]]
  12 // CHECK: [[ADDR]] is located 1 bytes before 1-byte region
  13 // CHECK: allocated by thread T0 here:
  14 // CHECK:   {{#0 .* operator new}}
  15 // CHECK:   {{#1 .* main .*operator_new_left_oob.cpp}}:[[@LINE-8]]
  16   delete buffer;
  17 }