test/asan/TestCases/Windows/thread_stack_array_left_oob.cc

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