| // RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t |
| // RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll |
| // RUN: not %run %t %t.dll 2>&1 | FileCheck %s |
| |
| #include <malloc.h> |
| extern "C" __declspec(dllexport) |
| int test_function() { |
| char *buffer = (char*)malloc(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_malloc_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: |
| // CHECK-NEXT: malloc |
| // CHECK-NEXT: test_function {{.*}}dll_malloc_left_oob.cc:[[@LINE-10]] |
| // CHECK-NEXT: main {{.*}}dll_host.cc |
| // CHECK-LABEL: SUMMARY |
| free(buffer); |
| return 0; |
| } |
