test/asan/TestCases/Windows/thread_stack_array_left_oob.cc

   1 // RUN: %clangxx_asan -O0 %s -Fe%t
   2 // RUN: not %run %t 2>&1 | FileCheck %s
   3
   4 #include <windows.h>
   5
   6 DWORD WINAPI thread_proc(void *) {
   7   int subscript = -1;
   8   volatile char stack_buffer[42];
   9   stack_buffer[subscript] = 42;
  10 // CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
  11 // CHECK: WRITE of size 1 at [[ADDR]] thread T1
  12 // CHECK:   {{#0 .* thread_proc .*thread_stack_array_left_oob.cc}}:[[@LINE-3]]
  13 // CHECK: Address [[ADDR]] is located in stack of thread T1 at offset {{.*}} in frame
  14 // CHECK:   thread_proc
  15   return 0;
  16 }
  17
  18 int main() {
  19   HANDLE thr = CreateThread(NULL, 0, thread_proc, NULL, 0, NULL);
  20 // CHECK: Thread T1 created by T0 here:
  21 // CHECK:   {{#[01] .* main .*thread_stack_array_left_oob.cc}}:[[@LINE-2]]
  22
  23   // A failure to create a thread should fail the test!
  24   if (thr == 0) return 0;
  25
  26   WaitForSingleObject(thr, INFINITE);
  27 }