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 extern "C" __declspec(dllexport) 6 int test_function() { 7 char *buffer = new char[42]; 8 buffer[-1] = 42; 9 // CHECK: AddressSanitizer: heap-buffer-overflow on address [[ADDR:0x[0-9a-f]+]] 10 // CHECK: WRITE of size 1 at [[ADDR]] thread T0 11 // CHECK-NEXT: test_function {{.*}}dll_operator_array_new_left_oob.cc:[[@LINE-3]] 12 // CHECK-NEXT: main {{.*}}dll_host.cc 13 // 14 // CHECK: [[ADDR]] is located 1 bytes to the left of 42-byte region 15 // CHECK-LABEL: allocated by thread T0 here: 16 // FIXME: Should get rid of the malloc/free frames called from the inside of 17 // operator new/delete in DLLs when using -MT CRT. 18 // FIXME: The 'operator new' frame should have []. 19 // CHECK: operator new 20 // CHECK-NEXT: test_function {{.*}}dll_operator_array_new_left_oob.cc:[[@LINE-13]] 21 // CHECK-NEXT: main {{.*}}dll_host.cc 22 // CHECK-LABEL: SUMMARY 23 delete [] buffer; 24 return 0; 25 } 26
