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// RUN: %clangxx_asan -O0 %p/dll_host.cc -Fe%t
// RUN: %clangxx_asan -LD -O0 %s -Fe%t.dll
// FIXME: 'cat' is needed due to PR19744.
// RUN: not %run %t %t.dll 2>&1 | cat | FileCheck %s
extern "C" __declspec(dllexport)
int test_function() {
char *buffer = new char[42];
buffer[-1] = 42;
// CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
// CHECK: WRITE of size 1 at [[ADDR]] thread T0
// CHECK-NEXT: test_function {{.*}}dll_operator_array_new_left_oob.cc:[[@LINE-3]]
// CHECK-NEXT: main {{.*}}dll_host.cc
//
// CHECK: [[ADDR]] is located 1 bytes to the left of 42-byte region
// CHECK-LABEL: allocated by thread T0 here:
// FIXME: should get rid of the malloc/free frames called from the inside of
// operator new/delete in DLLs. Also, the operator new frame should have [].
// CHECK-NEXT: malloc
// CHECK-NEXT: operator new
// CHECK-NEXT: test_function {{.*}}dll_operator_array_new_left_oob.cc:[[@LINE-13]]
// CHECK-NEXT: main {{.*}}dll_host.cc
// CHECK-LABEL: SUMMARY
delete [] buffer;
return 0;
}
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