test/asan/TestCases/Windows/realloc_right_oob.cc

   1 // RUN: %clangxx_asan -O0 %s -Fe%t
   2 // RUN: not %run %t 2>&1 | FileCheck %s
   3
   4 #include <malloc.h>
   5
   6 int main() {
   7   char *buffer = (char*)realloc(0, 42);
   8   buffer[42] = 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-NEXT: {{#0 .* main .*realloc_right_oob.cc}}:[[@LINE-3]]
  12 // CHECK: [[ADDR]] is located 0 bytes to the right of 42-byte region
  13 // CHECK: allocated by thread T0 here:
  14 // CHECK-NEXT: {{#0 .* realloc }}
  15 // CHECK-NEXT: {{#1 .* main .*realloc_right_oob.cc}}:[[@LINE-8]]
  16   free(buffer);
  17 }