compiler-rt/test/asan/TestCases/Windows/operator_new_uaf.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   delete buffer;
   9   *buffer = 42;
  10 // CHECK: AddressSanitizer: heap-use-after-free on address [[ADDR:0x[0-9a-f]+]]
  11 // CHECK: WRITE of size 1 at [[ADDR]] thread T0
  12 // CHECK:   {{#0 .* main .*operator_new_uaf.cpp}}:[[@LINE-3]]
  13 // CHECK: [[ADDR]] is located 0 bytes inside of 1-byte region
  14 // CHECK-LABEL: freed by thread T0 here:
  15 // CHECK:   {{#0 .* operator delete}}
  16 // CHECK:   {{#1 .* main .*operator_new_uaf.cpp}}:[[@LINE-8]]
  17 // CHECK-LABEL: previously allocated by thread T0 here:
  18 // CHECK:   {{#0 .* operator new}}
  19 // CHECK:   {{#1 .* main .*operator_new_uaf.cpp}}:[[@LINE-12]]
  20   return 0;
  21 }
  22