1// RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t
2// RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll
3// RUN: not %run %t %t.dll 2>&1 | FileCheck %s
4
5#include <process.h>
6
7void noreturn_f() {
8  int subscript = -1;
9  char buffer[42];
10  buffer[subscript] = 42;
11  _exit(1);
12// CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
13// CHECK: WRITE of size 1 at [[ADDR]] thread T0
14// CHECK-NEXT:  noreturn_f {{.*}}dll_noreturn.cc:[[@LINE-4]]
15// CHECK-NEXT:  test_function {{.*}}dll_noreturn.cc
16// CHECK-NEXT:  main {{.*}}dll_host.cc
17//
18// CHECK: Address [[ADDR]] is located in stack of thread T0 at offset [[OFFSET:.*]] in frame
19// CHECK-NEXT:  noreturn_f {{.*}}dll_noreturn.cc
20// CHECK: 'buffer' <== Memory access at offset [[OFFSET]] underflows this variable
21// CHECK-LABEL: SUMMARY
22}
23
24extern "C" __declspec(dllexport)
25int test_function() {
26  noreturn_f();
27  return 0;
28}
29