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Re: M1 macOS | Memory leaks at SSL that is used by libcurl/8.1.2 (SecureTransport)

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From: Josh WizardGuy via curl-library <curl-library_at_lists.haxx.se>
Date: Tue, 30 Jan 2024 17:56:33 -0500

Uhhhh. Use valgrind? 🤷

On Tue, Jan 30, 2024, 11:39 AM Mos Yud via curl-library <
curl-library_at_lists.haxx.se> wrote:

> Hi,
>
> Machine: M1 sonoma 14.1.1
>
> At my test I am using the shipped lib of curl, and its default used SSL,
> that is:
> curl 8.1.2 (x86_64-apple-darwin23.0) libcurl/8.1.2 (SecureTransport)
> LibreSSL/3.3.6 zlib/1.2.12 nghttp2/1.55.1
>
> I am getting memory leaks while running the following test:
>
> *void* CallCurl() {
>
> CURL *hnd;
>
> hnd = curl_easy_init();
>
> curl_easy_setopt(hnd, CURLOPT_URL, "https://www.google.com");
>
> curl_easy_perform(hnd);
>
> curl_easy_cleanup(hnd);
>
> }
>
> I track the leaks with macOS instruments, and I see that all leaks are
> from SSL (I am using the default SSL that the shipped curl uses).
>
> Examples for the leaks stack frames:
> 1.
> serialize_ECPublicKey
> ECDSA_do_verify_new
> ossl_ecdsa_verify
> EVP_DigestVerifyFinal
> tls13_server_certificate_verify_recv
> tls13_handshake_perform
> tls13_legacy_connect
> ossl_connect_common
> ssl_cf_connect
> cf_setup_connect
> cf_hc_connect
> Curl_conn_connect
> multi_runsingle
> curl_multi_perform
> curl_easy_perform
> CallCurl()
> main
> start
>
> 2.
> ccMallocECCryptor
> CCECCryptorImportKey
> ECDSA_do_verify_new
> ossl_ecdsa_verify
> EVP_DigestVerifyFinal
> tls13_server_certificate_verify_recv
> tls13_handshake_perform
> tls13_legacy_connect
> ossl_connect_common
> ssl_cf_connect
> cf_setup_connect
> cf_hc_connect
> Curl_conn_connect
> multi_runsingle
> curl_multi_perform
> curl_easy_perform
> CallCurl()
> main
> start
>
> 3.
> ccMallocECCryptor
> CCECCryptorImportKey
> ECDSA_do_verify_new
> ossl_ecdsa_verify
> EVP_DigestVerifyFinal
> tls13_server_certificate_verify_recv
> tls13_handshake_perform
> tls13_legacy_connect
> ossl_connect_common
> ssl_cf_connect
> cf_setup_connect
> cf_hc_connect
> Curl_conn_connect
> multi_runsingle
> curl_multi_perform
> curl_easy_perform
> CallCurl()
> main
> start
>
> Any advice?
>
> Thx,
> Moshe.
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Received on 2024-01-30

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