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// RUN: %clang_cl_asan -Od %p/dll_host.cc -Fe%t
// RUN: %clang_cl_asan -LD -Od %s -Fe%t.dll
// RUN: not %run %t %t.dll 2>&1 | FileCheck %s
struct C {
int x;
~C() {}
};
extern "C" __declspec(dllexport)
int test_function() {
C *buffer = new C[42];
buffer[-(1 + sizeof(void*) / 4)].x = 42;
// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
// CHECK: WRITE of size 4 at [[ADDR]] thread T0
// CHECK-NEXT: test_function {{.*}}dll_operator_array_new_with_dtor_left_oob.cc:[[@LINE-3]]
// CHECK-NEXT: main {{.*}}dll_host.cc
//
// FIXME: Currently it says "4 bytes ... left of 172-byte region",
// should be "8 bytes ... left of 168-byte region", see
// https://code.google.com/p/address-sanitizer/issues/detail?id=314
// CHECK: [[ADDR]] is located {{.*}} bytes to the left of {{(172|176)}}-byte region
// FIXME: Should get rid of the malloc/free frames called from the inside of
// operator new/delete in DLLs when using -MT CRT.
// FIXME: The operator new frame should have [].
// CHECK-LABEL: allocated by thread T0 here:
// CHECK: operator new
// CHECK-NEXT: test_function {{.*}}dll_operator_array_new_with_dtor_left_oob.cc:[[@LINE-16]]
// CHECK-NEXT: main {{.*}}dll_host.cc
// CHECK-LABEL: SUMMARY
delete [] buffer;
return 0;
}
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