Using S3Client in multithreading can cause memory leaks

[Gribouillages]

I found that there were memory leaks when using Aws::S3::S3Client in multithreading. I wrote a simple demo to analyze and found that if Aws::S3::S3Client is not used in the main thread, there will be leaks. Is this a bug? Or is there a problem with my usage? I hope to get help.
The version of the SDK I am using is 1.11.44, the operating system is Ubuntu 18.04, and the memory analysis tool used is valgrind.
demo code

#include <aws/s3/S3Client.h>
#include <aws/core/Aws.h>
#include <aws/core/auth/AWSCredentialsProvider.h>
#include <aws/s3/model/GetObjectRequest.h>
#include <iostream>
#include <thread>

int main() {

    Aws::SDKOptions options;
    options.loggingOptions.logLevel = Aws::Utils::Logging::LogLevel::Trace;

    Aws::InitAPI(options);
    {
        std::thread thread([=] {
            Aws::Client::ClientConfiguration cfg;

            cfg.endpointOverride = "******";
            cfg.scheme = Aws::Http::Scheme::HTTP;
            cfg.verifySSL = false;

            Aws::Auth::AWSCredentials cred("******", "******");

            auto client = std::make_shared<Aws::S3::S3Client>(cred, cfg,
                                                              Aws::Client::AWSAuthV4Signer::PayloadSigningPolicy::Never,
                                                              false);

            Aws::S3::Model::GetObjectRequest objectRequest;
            objectRequest.WithBucket("******").WithKey("******");

            auto get_object_outcome = client->GetObject(objectRequest);

            if (get_object_outcome.IsSuccess()) {
                std::cout << "done!" << std::endl;
            }

        });
        thread.join();
    }
    Aws::ShutdownAPI(options);

    return 0;
}

valgrind output

command: valgrind --gen-suppressions=all --leak-check=full --leak-resolution=med --track-origins=yes --vgdb=no ./example5
==13615== Memcheck, a memory error detector
==13615== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==13615== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
==13615== Command: ./example5
==13615== 
==13615== 
==13615== HEAP SUMMARY:
==13615==     in use at exit: 896 bytes in 5 blocks
==13615==   total heap usage: 249,097 allocs, 249,092 frees, 1,802,266,280 bytes allocated
==13615== 
==13615== 432 (168 direct, 264 indirect) bytes in 1 blocks are definitely lost in loss record 4 of 5
==13615==    at 0x4C31B0F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==13615==    by 0x6F311C8: CRYPTO_zalloc (in /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1)
==13615==    by 0x53751E6: s2n_drbg_instantiate (s2n_drbg.c:165)
==13615==    by 0x536EB05: s2n_init_drbgs (s2n_random.c:142)
==13615==    by 0x536EBC3: s2n_ensure_initialized_drbgs (s2n_random.c:153)
==13615==    by 0x536ED07: s2n_get_random_data (s2n_random.c:191)
==13615==    by 0x536EE6A: s2n_get_private_random_data (s2n_random.c:219)
==13615==    by 0x536F1F5: s2n_openssl_compat_rand (s2n_random.c:328)
==13615==    by 0x5202668: Aws::Utils::Crypto::SecureRandomBytes_OpenSSLImpl::GetBytes(unsigned char*, unsigned long) (CryptoImpl.cpp:152)
==13615==    by 0x51A3AC3: Aws::Utils::UUID::RandomUUID() (UUID.cpp:79)
==13615==    by 0x51DDA3A: Aws::Client::AWSClient::AttemptExhaustively(Aws::Http::URI const&, Aws::AmazonWebServiceRequest const&, Aws::Http::HttpMethod, char const*, char const*, char const*) const (AWSClient.cpp:252)
==13615==    by 0x51E1357: Aws::Client::AWSClient::MakeRequestWithUnparsedResponse(Aws::Http::URI const&, Aws::AmazonWebServiceRequest const&, Aws::Http::HttpMethod, char const*, char const*, char const*) const (AWSClient.cpp:582)
==13615== 
{
   <insert_a_suppression_name_here>
   Memcheck:Leak
   match-leak-kinds: definite
   fun:malloc
   fun:CRYPTO_zalloc
   fun:s2n_drbg_instantiate
   fun:s2n_init_drbgs
   fun:s2n_ensure_initialized_drbgs
   fun:s2n_get_random_data
   fun:s2n_get_private_random_data
   fun:s2n_openssl_compat_rand
   fun:_ZN3Aws5Utils6Crypto29SecureRandomBytes_OpenSSLImpl8GetBytesEPhm
   fun:_ZN3Aws5Utils4UUID10RandomUUIDEv
   fun:_ZNK3Aws6Client9AWSClient19AttemptExhaustivelyERKNS_4Http3URIERKNS_23AmazonWebServiceRequestENS2_10HttpMethodEPKcSB_SB_
   fun:_ZNK3Aws6Client9AWSClient31MakeRequestWithUnparsedResponseERKNS_4Http3URIERKNS_23AmazonWebServiceRequestENS2_10HttpMethodEPKcSB_SB_
}
==13615== 432 (168 direct, 264 indirect) bytes in 1 blocks are definitely lost in loss record 5 of 5
==13615==    at 0x4C31B0F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==13615==    by 0x6F311C8: CRYPTO_zalloc (in /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1)
==13615==    by 0x53751E6: s2n_drbg_instantiate (s2n_drbg.c:165)
==13615==    by 0x536EB42: s2n_init_drbgs (s2n_random.c:143)
==13615==    by 0x536EBC3: s2n_ensure_initialized_drbgs (s2n_random.c:153)
==13615==    by 0x536ED07: s2n_get_random_data (s2n_random.c:191)
==13615==    by 0x536EE6A: s2n_get_private_random_data (s2n_random.c:219)
==13615==    by 0x536F1F5: s2n_openssl_compat_rand (s2n_random.c:328)
==13615==    by 0x5202668: Aws::Utils::Crypto::SecureRandomBytes_OpenSSLImpl::GetBytes(unsigned char*, unsigned long) (CryptoImpl.cpp:152)
==13615==    by 0x51A3AC3: Aws::Utils::UUID::RandomUUID() (UUID.cpp:79)
==13615==    by 0x51DDA3A: Aws::Client::AWSClient::AttemptExhaustively(Aws::Http::URI const&, Aws::AmazonWebServiceRequest const&, Aws::Http::HttpMethod, char const*, char const*, char const*) const (AWSClient.cpp:252)
==13615==    by 0x51E1357: Aws::Client::AWSClient::MakeRequestWithUnparsedResponse(Aws::Http::URI const&, Aws::AmazonWebServiceRequest const&, Aws::Http::HttpMethod, char const*, char const*, char const*) const (AWSClient.cpp:582)
==13615== 
{
   <insert_a_suppression_name_here>
   Memcheck:Leak
   match-leak-kinds: definite
   fun:malloc
   fun:CRYPTO_zalloc
   fun:s2n_drbg_instantiate
   fun:s2n_init_drbgs
   fun:s2n_ensure_initialized_drbgs
   fun:s2n_get_random_data
   fun:s2n_get_private_random_data
   fun:s2n_openssl_compat_rand
   fun:_ZN3Aws5Utils6Crypto29SecureRandomBytes_OpenSSLImpl8GetBytesEPhm
   fun:_ZN3Aws5Utils4UUID10RandomUUIDEv
   fun:_ZNK3Aws6Client9AWSClient19AttemptExhaustivelyERKNS_4Http3URIERKNS_23AmazonWebServiceRequestENS2_10HttpMethodEPKcSB_SB_
   fun:_ZNK3Aws6Client9AWSClient31MakeRequestWithUnparsedResponseERKNS_4Http3URIERKNS_23AmazonWebServiceRequestENS2_10HttpMethodEPKcSB_SB_
}

[jmklix]

Can you make sure submodules are up to date?

git submodule update --init --recursive

[Gribouillages]

Yes, I can make sure my submodules are up to date. I have already updated them. And I tried upgrading the SDK to version 1.11.45, but the same problem still exists.

[Gribouillages]

@jmklix I hope this issue can be resolved as soon as possible. Do you need me to provide any additional information about this issue? I am happy to supplement.