fix: memory leak in nfs test

[levy5307]

the error message that asan reported:

==24019==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 448 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0ce3adf in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:154
    #2 0x5649a0ce3adf in operator() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/bind_handler.hpp:65
    #3 0x5649a0ce3adf in asio_handler_invoke<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/handler_invoke_hook.hpp:69
    #4 0x5649a0ce3adf in invoke<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code>, dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_invoke_helpers.hpp:37
    #5 0x5649a0ce3adf in complete<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_work.hpp:82
    #6 0x5649a0ce3adf in do_complete /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/reactive_socket_accept_op.hpp:137
    #7 0x5649a0cf9aea in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #8 0x5649a0cf9aea in boost::asio::detail::epoll_reactor::descriptor_state::do_complete(void*, boost::asio::detail::scheduler_operation*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/epoll_reactor.ipp:776
    #9 0x5649a0a59c12 in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #10 0x5649a0a59c12 in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:401
    #11 0x5649a0a59c12 in boost::asio::detail::scheduler::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:154
    #12 0x5649a0cdaf3f in boost::asio::io_context::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/impl/io_context.ipp:70
    #13 0x5649a0cdaf3f in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:79
    #14 0x5649a0cdaf3f in __invoke_impl<void, dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:60
    #15 0x5649a0cdaf3f in __invoke<dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:95
    #16 0x5649a0cdaf3f in _M_invoke<0> /usr/include/c++/7/thread:234
    #17 0x5649a0cdaf3f in operator() /usr/include/c++/7/thread:243
    #18 0x5649a0cdaf3f in _M_run /usr/include/c++/7/thread:186
    #19 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

Direct leak of 448 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0cdf184 in dsn::tools::asio_network_provider::create_client_session(dsn::rpc_address) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:131
    #2 0x5649a0ac16fd in dsn::connection_oriented_network::send_message(dsn::message_ex*) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:638
    #3 0x5649a0ad4d05 in dsn::rpc_engine::call_ip(dsn::rpc_address, dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&, bool, bool) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:718
    #4 0x5649a0ad7d7b in dsn::rpc_engine::call_address(dsn::rpc_address, dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.h:202
    #5 0x5649a0ad7d7b in dsn::rpc_engine::call(dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:617
    #6 0x5649a098a359 in dsn_rpc_call(dsn::rpc_address, dsn::rpc_response_task*) /home/mi/workspace/pegasus/rdsn/src/runtime/service_api_c.cpp:128
    #7 0x5649a096ce93 in call<dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/async_calls.h:150
    #8 0x5649a096ce93 in call<const dsn::service::get_file_size_request&, dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/async_calls.h:179
    #9 0x5649a096ce93 in get_file_size<dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_client.h:123
    #10 0x5649a096ce93 in dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_client_impl.cpp:138
    #11 0x5649a08ede7e in dsn::nfs_node::copy_remote_files(dsn::rpc_address, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool, dsn::task_code, dsn::task_tracker*, std::function<void (dsn::error_code, unsigned long)>&&, int) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_node.cpp:56
    #12 0x5649a08cc512 in nfs_basic_Test::TestBody() /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:52
    #13 0x5649a0db98ab in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7648ab)
    #14 0x5649a0db3b2e in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x75eb2e)
    #15 0x5649a0d9755b in testing::Test::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x74255b)
    #16 0x5649a0d97e83 in testing::TestInfo::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x742e83)
    #17 0x5649a0d984fb in testing::TestCase::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7434fb)
    #18 0x5649a0d9f39f in testing::internal::UnitTestImpl::RunAllTests() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x74a39f)
    #19 0x5649a0dba9d2 in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7659d2)
    #20 0x5649a0db496a in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x75f96a)
    #21 0x5649a0d9df85 in testing::UnitTest::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x748f85)
    #22 0x5649a0874e7e in RUN_ALL_TESTS() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/gtest/gtest.h:2233
    #23 0x5649a0874e7e in main /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:149
    #24 0x7efe0e5eab96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Indirect leak of 65536 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32608 in operator new[](unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0608)
    #1 0x5649a091a670 in std::shared_ptr<char> dsn::utils::make_shared_array<char>(unsigned long) /home/mi/workspace/pegasus/rdsn/include/dsn/utility/utils.h:72
    #2 0x5649a0ab050d in dsn::message_reader::read_buffer_ptr(unsigned int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/message_parser.cpp:150
    #3 0x5649a0cfd678 in dsn::tools::asio_rpc_session::do_read(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_rpc_session.cpp:83
    #4 0x5649a0ab5dff in dsn::rpc_session::start_read_next(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:224
    #5 0x5649a0d1309c in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_rpc_session.cpp:197
    #6 0x5649a0d1309c in operator() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/bind_handler.hpp:65
    #7 0x5649a0d1309c in asio_handler_invoke<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/handler_invoke_hook.hpp:69
    #8 0x5649a0d1309c in invoke<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code>, dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_invoke_helpers.hpp:37
    #9 0x5649a0d1309c in complete<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_work.hpp:82
    #10 0x5649a0d1309c in do_complete /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/reactive_socket_connect_op.hpp:100
    #11 0x5649a0cf9aea in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #12 0x5649a0cf9aea in boost::asio::detail::epoll_reactor::descriptor_state::do_complete(void*, boost::asio::detail::scheduler_operation*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/epoll_reactor.ipp:776
    #13 0x5649a0a59c12 in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #14 0x5649a0a59c12 in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:401
    #15 0x5649a0a59c12 in boost::asio::detail::scheduler::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:154
    #16 0x5649a0cdaf3f in boost::asio::io_context::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/impl/io_context.ipp:70
    #17 0x5649a0cdaf3f in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:79
    #18 0x5649a0cdaf3f in __invoke_impl<void, dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:60
    #19 0x5649a0cdaf3f in __invoke<dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:95
    #20 0x5649a0cdaf3f in _M_invoke<0> /usr/include/c++/7/thread:234
    #21 0x5649a0cdaf3f in operator() /usr/include/c++/7/thread:243
    #22 0x5649a0cdaf3f in _M_run /usr/include/c++/7/thread:186
    #23 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

Indirect leak of 65536 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32608 in operator new[](unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0608)
    #1 0x5649a091a670 in std::shared_ptr<char> dsn::utils::make_shared_array<char>(unsigned long) /home/mi/workspace/pegasus/rdsn/include/dsn/utility/utils.h:72
    #2 0x5649a0ab050d in dsn::message_reader::read_buffer_ptr(unsigned int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/message_parser.cpp:150
    #3 0x5649a0cfd678 in dsn::tools::asio_rpc_session::do_read(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_rpc_session.cpp:83
    #4 0x5649a0ab5dff in dsn::rpc_session::start_read_next(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:224
    #5 0x5649a0ce43b0 in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:167
    #6 0x5649a0ce43b0 in operator() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/bind_handler.hpp:65
    #7 0x5649a0ce43b0 in asio_handler_invoke<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/handler_invoke_hook.hpp:69
    #8 0x5649a0ce43b0 in invoke<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code>, dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_invoke_helpers.hpp:37
    #9 0x5649a0ce43b0 in complete<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_work.hpp:82
    #10 0x5649a0ce43b0 in do_complete /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/reactive_socket_accept_op.hpp:137
    #11 0x5649a0cf9aea in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #12 0x5649a0cf9aea in boost::asio::detail::epoll_reactor::descriptor_state::do_complete(void*, boost::asio::detail::scheduler_operation*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/epoll_reactor.ipp:776
    #13 0x5649a0a59c12 in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #14 0x5649a0a59c12 in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:401
    #15 0x5649a0a59c12 in boost::asio::detail::scheduler::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:154
    #16 0x5649a0cdaf3f in boost::asio::io_context::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/impl/io_context.ipp:70
    #17 0x5649a0cdaf3f in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:79
    #18 0x5649a0cdaf3f in __invoke_impl<void, dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:60
    #19 0x5649a0cdaf3f in __invoke<dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:95
    #20 0x5649a0cdaf3f in _M_invoke<0> /usr/include/c++/7/thread:234
    #21 0x5649a0cdaf3f in operator() /usr/include/c++/7/thread:243
    #22 0x5649a0cdaf3f in _M_run /usr/include/c++/7/thread:186
    #23 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

Indirect leak of 64 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0ac60a6 in __gnu_cxx::new_allocator<dsn::message_parser::send_buf>::allocate(unsigned long, void const*) /usr/include/c++/7/ext/new_allocator.h:111
    #2 0x5649a0ac60a6 in std::allocator_traits<std::allocator<dsn::message_parser::send_buf> >::allocate(std::allocator<dsn::message_parser::send_buf>&, unsigned long) /usr/include/c++/7/bits/alloc_traits.h:436
    #3 0x5649a0ac60a6 in std::_Vector_base<dsn::message_parser::send_buf, std::allocator<dsn::message_parser::send_buf> >::_M_allocate(unsigned long) /usr/include/c++/7/bits/stl_vector.h:172
    #4 0x5649a0ac60a6 in std::vector<dsn::message_parser::send_buf, std::allocator<dsn::message_parser::send_buf> >::_M_default_append(unsigned long) /usr/include/c++/7/bits/vector.tcc:571
    #5 0x5649a0ac6fd6 in std::vector<dsn::message_parser::send_buf, std::allocator<dsn::message_parser::send_buf> >::resize(unsigned long) /usr/include/c++/7/bits/stl_vector.h:692
    #6 0x5649a0ac6fd6 in dsn::rpc_session::unlink_message_for_send() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:187
    #7 0x5649a0abc1df in dsn::rpc_session::send_message(dsn::message_ex*) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:275
    #8 0x5649a0ad207e in dsn::rpc_engine::reply(dsn::message_ex*, dsn::error_code) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:761
    #9 0x5649a0916625 in dsn::rpc_replier<dsn::service::copy_response>::operator()(dsn::service::copy_response const&) /home/mi/workspace/pegasus/rdsn/include/dsn/cpp/serverlet.h:77
    #10 0x5649a0916625 in dsn::service::nfs_service_impl::internal_read_callback(dsn::error_code, unsigned long, dsn::service::nfs_service_impl::callback_para&) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_server_impl.cpp:157
    #11 0x5649a0dca671 in std::function<void (dsn::error_code, unsigned long)>::operator()(dsn::error_code, unsigned long) const /usr/include/c++/7/bits/std_function.h:706
    #12 0x5649a0dca671 in dsn::aio_task::exec() /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/aio_task.h:99
    #13 0x5649a0b08f2c in dsn::task::exec_internal() /home/mi/workspace/pegasus/rdsn/src/runtime/task/task.cpp:176
    #14 0x5649a0b6d445 in dsn::task_worker::loop() /home/mi/workspace/pegasus/rdsn/src/runtime/task/task_worker.cpp:211
    #15 0x5649a0b6e31c in dsn::task_worker::run_internal() /home/mi/workspace/pegasus/rdsn/src/runtime/task/task_worker.cpp:191
    #16 0x5649a0b6e8b3 in void std::__invoke_impl<void, void (dsn::task_worker::*&)(), dsn::task_worker*&>(std::__invoke_memfun_deref, void (dsn::task_worker::*&)(), dsn::task_worker*&) /usr/include/c++/7/bits/invoke.h:73
    #17 0x5649a0b6e8b3 in std::__invoke_result<void (dsn::task_worker::*&)(), dsn::task_worker*&>::type std::__invoke<void (dsn::task_worker::*&)(), dsn::task_worker*&>(void (dsn::task_worker::*&)(), dsn::task_worker*&) /usr/include/c++/7/bits/invoke.h:95
    #18 0x5649a0b6e8b3 in void std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) /usr/include/c++/7/functional:467
    #19 0x5649a0b6e8b3 in void std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>::operator()<, void>() /usr/include/c++/7/functional:551
    #20 0x5649a0b6e8b3 in void std::__invoke_impl<void, std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>>(std::__invoke_other, std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>&&) /usr/include/c++/7/bits/invoke.h:60
    #21 0x5649a0b6e8b3 in std::__invoke_result<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>>::type std::__invoke<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>>(std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>&&) /usr/include/c++/7/bits/invoke.h:95
    #22 0x5649a0b6e8b3 in decltype (__invoke((_S_declval<0ul>)())) std::thread::_Invoker<std::tuple<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()> > >::_M_invoke<0ul>(std::_Index_tuple<0ul>) /usr/include/c++/7/thread:234
    #23 0x5649a0b6e8b3 in std::thread::_Invoker<std::tuple<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()> > >::operator()() /usr/include/c++/7/thread:243
    #24 0x5649a0b6e8b3 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()> > > >::_M_run() /usr/include/c++/7/thread:186
    #25 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

Indirect leak of 48 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0cdec4e in __gnu_cxx::new_allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >::allocate(unsigned long, void const*) /usr/include/c++/7/ext/new_allocator.h:111
    #2 0x5649a0cdec4e in std::allocator_traits<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > >::allocate(std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >&, unsigned long) /usr/include/c++/7/bits/alloc_traits.h:436
    #3 0x5649a0cdec4e in std::__allocated_ptr<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > > std::__allocate_guarded<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > >(std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >&) /usr/include/c++/7/bits/allocated_ptr.h:104
    #4 0x5649a0cdec4e in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, boost::asio::basic_stream_socket<boost::asio::ip::tcp>*, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr_base.h:635
    #5 0x5649a0cdec4e in std::__shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr_base.h:1295
    #6 0x5649a0cdec4e in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >::shared_ptr<std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:344
    #7 0x5649a0cdec4e in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > std::allocate_shared<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:691
    #8 0x5649a0cdec4e in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > std::make_shared<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, boost::asio::io_context&>(boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:707
    #9 0x5649a0cdec4e in dsn::tools::asio_network_provider::create_client_session(dsn::rpc_address) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:129
    #10 0x5649a0ac16fd in dsn::connection_oriented_network::send_message(dsn::message_ex*) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:638
    #11 0x5649a0ad4d05 in dsn::rpc_engine::call_ip(dsn::rpc_address, dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&, bool, bool) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:718
    #12 0x5649a0ad7d7b in dsn::rpc_engine::call_address(dsn::rpc_address, dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.h:202
    #13 0x5649a0ad7d7b in dsn::rpc_engine::call(dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:617
    #14 0x5649a098a359 in dsn_rpc_call(dsn::rpc_address, dsn::rpc_response_task*) /home/mi/workspace/pegasus/rdsn/src/runtime/service_api_c.cpp:128
    #15 0x5649a096ce93 in call<dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/async_calls.h:150
    #16 0x5649a096ce93 in call<const dsn::service::get_file_size_request&, dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/async_calls.h:179
    #17 0x5649a096ce93 in get_file_size<dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_client.h:123
    #18 0x5649a096ce93 in dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_client_impl.cpp:138
    #19 0x5649a08ede7e in dsn::nfs_node::copy_remote_files(dsn::rpc_address, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool, dsn::task_code, dsn::task_tracker*, std::function<void (dsn::error_code, unsigned long)>&&, int) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_node.cpp:56
    #20 0x5649a08cc512 in nfs_basic_Test::TestBody() /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:52
    #21 0x5649a0db98ab in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7648ab)
    #22 0x5649a0db3b2e in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x75eb2e)
    #23 0x5649a0d9755b in testing::Test::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x74255b)
    #24 0x5649a0d97e83 in testing::TestInfo::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x742e83)
    #25 0x5649a0d984fb in testing::TestCase::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7434fb)
    #26 0x5649a0d9f39f in testing::internal::UnitTestImpl::RunAllTests() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x74a39f)
    #27 0x5649a0dba9d2 in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7659d2)
 #28 0x5649a0db496a in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x75f96a)
    #29 0x5649a0d9df85 in testing::UnitTest::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x748f85)
    #30 0x5649a0874e7e in RUN_ALL_TESTS() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/gtest/gtest.h:2233
    #31 0x5649a0874e7e in main /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:149
    #32 0x7efe0e5eab96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Indirect leak of 48 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0cdf854 in __gnu_cxx::new_allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >::allocate(unsigned long, void const*) /usr/include/c++/7/ext/new_allocator.h:111
    #2 0x5649a0cdf854 in std::allocator_traits<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > >::allocate(std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >&, unsigned long) /usr/include/c++/7/bits/alloc_traits.h:436
    #3 0x5649a0cdf854 in std::__allocated_ptr<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > > std::__allocate_guarded<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > >(std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >&) /usr/include/c++/7/bits/allocated_ptr.h:104
    #4 0x5649a0cdf854 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, boost::asio::basic_stream_socket<boost::asio::ip::tcp>*, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr_base.h:635
    #5 0x5649a0cdf854 in std::__shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr_base.h:1295
    #6 0x5649a0cdf854 in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >::shared_ptr<std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:344
    #7 0x5649a0cdf854 in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > std::allocate_shared<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:691
    #8 0x5649a0cdf854 in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > std::make_shared<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, boost::asio::io_context&>(boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:707
    #9 0x5649a0cdf854 in dsn::tools::asio_network_provider::do_accept() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:136
    #10 0x5649a0ce7a50 in dsn::tools::asio_network_provider::start(dsn::utils::customized_id<dsn::rpc_channel_>, int, bool) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:121
    #11 0x5649a0ad8964 in dsn::rpc_engine::create_network(dsn::network_server_config const&, bool, dsn::utils::customized_id<dsn::network_header_format_>) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:426
    #12 0x5649a0adad3d in dsn::rpc_engine::start(dsn::service_app_spec const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:499
    #13 0x5649a09bb4f9 in dsn::service_node::init_rpc_engine() /home/mi/workspace/pegasus/rdsn/src/runtime/service_engine.cpp:62
    #14 0x5649a09bba84 in dsn::service_node::start() /home/mi/workspace/pegasus/rdsn/src/runtime/service_engine.cpp:116
    #15 0x5649a09bd3e4 in dsn::service_engine::start_node(dsn::service_app_spec&) /home/mi/workspace/pegasus/rdsn/src/runtime/service_engine.cpp:238
    #16 0x5649a099dbfa in run /home/mi/workspace/pegasus/rdsn/src/runtime/service_api_c.cpp:499
    #17 0x5649a09a2a13 in dsn_run_config(char const*, bool) /home/mi/workspace/pegasus/rdsn/src/runtime/service_api_c.cpp:183
    #18 0x5649a0874e71 in main /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:148
    #19 0x7efe0e5eab96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Indirect leak of 32 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0c9319d in dsn::message_parser* dsn::message_parser::create<dsn::dsn_message_parser>() /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/message_parser.h:90
    #2 0x5649a0abe0ba in dsn::network::new_message_parser(dsn::utils::customized_id<dsn::network_header_format_>) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:547
    #3 0x5649a0cdf0db in dsn::tools::asio_network_provider::create_client_session(dsn::rpc_address) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:130
    #4 0x5649a0ac16fd in dsn::connection_oriented_network::send_message(dsn::message_ex*) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:638
    #5 0x5649a0ad4d05 in dsn::rpc_engine::call_ip(dsn::rpc_address, dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&, bool, bool) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:718
    #6 0x5649a0ad7d7b in dsn::rpc_engine::call_address(dsn::rpc_address, dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.h:202
    #7 0x5649a0ad7d7b in dsn::rpc_engine::call(dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:617
    #8 0x5649a098a359 in dsn_rpc_call(dsn::rpc_address, dsn::rpc_response_task*) /home/mi/workspace/pegasus/rdsn/src/runtime/service_api_c.cpp:128
    #9 0x5649a096ce93 in call<dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/async_calls.h:150
    #10 0x5649a096ce93 in call<const dsn::service::get_file_size_request&, dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/async_calls.h:179
    #11 0x5649a096ce93 in get_file_size<dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_client.h:123
    #12 0x5649a096ce93 in dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_client_impl.cpp:138
    #13 0x5649a08ede7e in dsn::nfs_node::copy_remote_files(dsn::rpc_address, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool, dsn::task_code, dsn::task_tracker*, std::function<void (dsn::error_code, unsigned long)>&&, int) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_node.cpp:56
    #14 0x5649a08cc512 in nfs_basic_Test::TestBody() /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:52
    #15 0x5649a0db98ab in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7648ab)
    #16 0x5649a0db3b2e in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x75eb2e)
    #17 0x5649a0d9755b in testing::Test::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x74255b)
    #18 0x5649a0d97e83 in testing::TestInfo::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x742e83)
    #19 0x5649a0d984fb in testing::TestCase::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7434fb)
    #20 0x5649a0d9f39f in testing::internal::UnitTestImpl::RunAllTests() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x74a39f)
    #21 0x5649a0dba9d2 in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7659d2)
    #22 0x5649a0db496a in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x75f96a)
    #23 0x5649a0d9df85 in testing::UnitTest::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x748f85)
    #24 0x5649a0874e7e in RUN_ALL_TESTS() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/gtest/gtest.h:2233
    #25 0x5649a0874e7e in main /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:149
    #26 0x7efe0e5eab96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Indirect leak of 65536 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32608 in operator new[](unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0608)
    #1 0x5649a091a670 in std::shared_ptr<char> dsn::utils::make_shared_array<char>(unsigned long) /home/mi/workspace/pegasus/rdsn/include/dsn/utility/utils.h:72
    #2 0x5649a0ab050d in dsn::message_reader::read_buffer_ptr(unsigned int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/message_parser.cpp:150
    #3 0x5649a0cfd678 in dsn::tools::asio_rpc_session::do_read(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_rpc_session.cpp:83
    #4 0x5649a0ab5dff in dsn::rpc_session::start_read_next(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:224
    #5 0x5649a0d1309c in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_rpc_session.cpp:197
    #6 0x5649a0d1309c in operator() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/bind_handler.hpp:65
    #7 0x5649a0d1309c in asio_handler_invoke<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/handler_invoke_hook.hpp:69
    #8 0x5649a0d1309c in invoke<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code>, dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_invoke_helpers.hpp:37
    #9 0x5649a0d1309c in complete<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_work.hpp:82
    #10 0x5649a0d1309c in do_complete /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/reactive_socket_connect_op.hpp:100
    #11 0x5649a0cf9aea in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #12 0x5649a0cf9aea in boost::asio::detail::epoll_reactor::descriptor_state::do_complete(void*, boost::asio::detail::scheduler_operation*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/epoll_reactor.ipp:776
    #13 0x5649a0a59c12 in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #14 0x5649a0a59c12 in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:401
    #15 0x5649a0a59c12 in boost::asio::detail::scheduler::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:154
    #16 0x5649a0cdaf3f in boost::asio::io_context::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/impl/io_context.ipp:70
    #17 0x5649a0cdaf3f in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:79
    #18 0x5649a0cdaf3f in __invoke_impl<void, dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:60
    #19 0x5649a0cdaf3f in __invoke<dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:95
    #20 0x5649a0cdaf3f in _M_invoke<0> /usr/include/c++/7/thread:234
    #21 0x5649a0cdaf3f in operator() /usr/include/c++/7/thread:243
    #22 0x5649a0cdaf3f in _M_run /usr/include/c++/7/thread:186
    #23 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

Indirect leak of 65536 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32608 in operator new[](unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0608)
    #1 0x5649a091a670 in std::shared_ptr<char> dsn::utils::make_shared_array<char>(unsigned long) /home/mi/workspace/pegasus/rdsn/include/dsn/utility/utils.h:72
    #2 0x5649a0ab050d in dsn::message_reader::read_buffer_ptr(unsigned int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/message_parser.cpp:150
    #3 0x5649a0cfd678 in dsn::tools::asio_rpc_session::do_read(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_rpc_session.cpp:83
    #4 0x5649a0ab5dff in dsn::rpc_session::start_read_next(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:224
    #5 0x5649a0ce43b0 in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:167
    #6 0x5649a0ce43b0 in operator() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/bind_handler.hpp:65
    #7 0x5649a0ce43b0 in asio_handler_invoke<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/handler_invoke_hook.hpp:69
    #8 0x5649a0ce43b0 in invoke<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code>, dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_invoke_helpers.hpp:37
    #9 0x5649a0ce43b0 in complete<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_work.hpp:82
    #10 0x5649a0ce43b0 in do_complete /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/reactive_socket_accept_op.hpp:137
    #11 0x5649a0cf9aea in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #12 0x5649a0cf9aea in boost::asio::detail::epoll_reactor::descriptor_state::do_complete(void*, boost::asio::detail::scheduler_operation*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/epoll_reactor.ipp:776
    #13 0x5649a0a59c12 in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #14 0x5649a0a59c12 in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:401
    #15 0x5649a0a59c12 in boost::asio::detail::scheduler::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:154
    #16 0x5649a0cdaf3f in boost::asio::io_context::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/impl/io_context.ipp:70
    #17 0x5649a0cdaf3f in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:79
    #18 0x5649a0cdaf3f in __invoke_impl<void, dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:60
    #19 0x5649a0cdaf3f in __invoke<dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:95
    #20 0x5649a0cdaf3f in _M_invoke<0> /usr/include/c++/7/thread:234
    #21 0x5649a0cdaf3f in operator() /usr/include/c++/7/thread:243
    #22 0x5649a0cdaf3f in _M_run /usr/include/c++/7/thread:186
    #23 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

Indirect leak of 64 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0ac60a6 in __gnu_cxx::new_allocator<dsn::message_parser::send_buf>::allocate(unsigned long, void const*) /usr/include/c++/7/ext/new_allocator.h:111
    #2 0x5649a0ac60a6 in std::allocator_traits<std::allocator<dsn::message_parser::send_buf> >::allocate(std::allocator<dsn::message_parser::send_buf>&, unsigned long) /usr/include/c++/7/bits/alloc_traits.h:436
    #3 0x5649a0ac60a6 in std::_Vector_base<dsn::message_parser::send_buf, std::allocator<dsn::message_parser::send_buf> >::_M_allocate(unsigned long) /usr/include/c++/7/bits/stl_vector.h:172
    #4 0x5649a0ac60a6 in std::vector<dsn::message_parser::send_buf, std::allocator<dsn::message_parser::send_buf> >::_M_default_append(unsigned long) /usr/include/c++/7/bits/vector.tcc:571
    #5 0x5649a0ac6fd6 in std::vector<dsn::message_parser::send_buf, std::allocator<dsn::message_parser::send_buf> >::resize(unsigned long) /usr/include/c++/7/bits/stl_vector.h:692
    #6 0x5649a0ac6fd6 in dsn::rpc_session::unlink_message_for_send() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:187
    #7 0x5649a0abc1df in dsn::rpc_session::send_message(dsn::message_ex*) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:275
    #8 0x5649a0ad207e in dsn::rpc_engine::reply(dsn::message_ex*, dsn::error_code) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:761
    #9 0x5649a0916625 in dsn::rpc_replier<dsn::service::copy_response>::operator()(dsn::service::copy_response const&) /home/mi/workspace/pegasus/rdsn/include/dsn/cpp/serverlet.h:77
    #10 0x5649a0916625 in dsn::service::nfs_service_impl::internal_read_callback(dsn::error_code, unsigned long, dsn::service::nfs_service_impl::callback_para&) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_server_impl.cpp:157
    #11 0x5649a0dca671 in std::function<void (dsn::error_code, unsigned long)>::operator()(dsn::error_code, unsigned long) const /usr/include/c++/7/bits/std_function.h:706
    #12 0x5649a0dca671 in dsn::aio_task::exec() /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/aio_task.h:99
    #13 0x5649a0b08f2c in dsn::task::exec_internal() /home/mi/workspace/pegasus/rdsn/src/runtime/task/task.cpp:176
    #14 0x5649a0b6d445 in dsn::task_worker::loop() /home/mi/workspace/pegasus/rdsn/src/runtime/task/task_worker.cpp:211
    #15 0x5649a0b6e31c in dsn::task_worker::run_internal() /home/mi/workspace/pegasus/rdsn/src/runtime/task/task_worker.cpp:191
    #16 0x5649a0b6e8b3 in void std::__invoke_impl<void, void (dsn::task_worker::*&)(), dsn::task_worker*&>(std::__invoke_memfun_deref, void (dsn::task_worker::*&)(), dsn::task_worker*&) /usr/include/c++/7/bits/invoke.h:73
    #17 0x5649a0b6e8b3 in std::__invoke_result<void (dsn::task_worker::*&)(), dsn::task_worker*&>::type std::__invoke<void (dsn::task_worker::*&)(), dsn::task_worker*&>(void (dsn::task_worker::*&)(), dsn::task_worker*&) /usr/include/c++/7/bits/invoke.h:95
    #18 0x5649a0b6e8b3 in void std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) /usr/include/c++/7/functional:467
    #19 0x5649a0b6e8b3 in void std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>::operator()<, void>() /usr/include/c++/7/functional:551
    #20 0x5649a0b6e8b3 in void std::__invoke_impl<void, std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>>(std::__invoke_other, std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>&&) /usr/include/c++/7/bits/invoke.h:60
    #21 0x5649a0b6e8b3 in std::__invoke_result<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>>::type std::__invoke<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>>(std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>&&) /usr/include/c++/7/bits/invoke.h:95
    #22 0x5649a0b6e8b3 in decltype (__invoke((_S_declval<0ul>)())) std::thread::_Invoker<std::tuple<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()> > >::_M_invoke<0ul>(std::_Index_tuple<0ul>) /usr/include/c++/7/thread:234
    #23 0x5649a0b6e8b3 in std::thread::_Invoker<std::tuple<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()> > >::operator()() /usr/include/c++/7/thread:243
    #24 0x5649a0b6e8b3 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()> > > >::_M_run() /usr/include/c++/7/thread:186
    #25 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

Indirect leak of 48 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0cdec4e in __gnu_cxx::new_allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >::allocate(unsigned long, void const*) /usr/include/c++/7/ext/new_allocator.h:111
    #2 0x5649a0cdec4e in std::allocator_traits<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > >::allocate(std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >&, unsigned long) /usr/include/c++/7/bits/alloc_traits.h:436
    #3 0x5649a0cdec4e in std::__allocated_ptr<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > > std::__allocate_guarded<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > >(std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >&) /usr/include/c++/7/bits/allocated_ptr.h:104
    #4 0x5649a0cdec4e in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, boost::asio::basic_stream_socket<boost::asio::ip::tcp>*, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr_base.h:635
    #5 0x5649a0cdec4e in std::__shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr_base.h:1295
    #6 0x5649a0cdec4e in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >::shared_ptr<std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:344
    #7 0x5649a0cdec4e in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > std::allocate_shared<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:691
    #8 0x5649a0cdec4e in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > std::make_shared<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, boost::asio::io_context&>(boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:707
    #9 0x5649a0cdec4e in dsn::tools::asio_network_provider::create_client_session(dsn::rpc_address) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:129
    #10 0x5649a0ac16fd in dsn::connection_oriented_network::send_message(dsn::message_ex*) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:638
    #11 0x5649a0ad4d05 in dsn::rpc_engine::call_ip(dsn::rpc_address, dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&, bool, bool) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:718
    #12 0x5649a0ad7d7b in dsn::rpc_engine::call_address(dsn::rpc_address, dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.h:202
    #13 0x5649a0ad7d7b in dsn::rpc_engine::call(dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:617
    #14 0x5649a098a359 in dsn_rpc_call(dsn::rpc_address, dsn::rpc_response_task*) /home/mi/workspace/pegasus/rdsn/src/runtime/service_api_c.cpp:128
    #15 0x5649a096ce93 in call<dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/async_calls.h:150
    #16 0x5649a096ce93 in call<const dsn::service::get_file_size_request&, dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/async_calls.h:179
    #17 0x5649a096ce93 in get_file_size<dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_client.h:123
    #18 0x5649a096ce93 in dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_client_impl.cpp:138
    #19 0x5649a08ede7e in dsn::nfs_node::copy_remote_files(dsn::rpc_address, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool, dsn::task_code, dsn::task_tracker*, std::function<void (dsn::error_code, unsigned long)>&&, int) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_node.cpp:56
    #20 0x5649a08cc512 in nfs_basic_Test::TestBody() /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:52
    #21 0x5649a0db98ab in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7648ab)
    #22 0x5649a0db3b2e in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x75eb2e)
    #23 0x5649a0d9755b in testing::Test::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x74255b)
    #24 0x5649a0d97e83 in testing::TestInfo::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x742e83)
    #25 0x5649a0d984fb in testing::TestCase::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7434fb)
    #26 0x5649a0d9f39f in testing::internal::UnitTestImpl::RunAllTests() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x74a39f)
    #27 0x5649a0dba9d2 in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7659d2)
    #28 0x5649a0db496a in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x75f96a)
    #29 0x5649a0d9df85 in testing::UnitTest::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x748f85)
    #30 0x5649a0874e7e in RUN_ALL_TESTS() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/gtest/gtest.h:2233
    #31 0x5649a0874e7e in main /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:149
    #32 0x7efe0e5eab96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Indirect leak of 48 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0cdf854 in __gnu_cxx::new_allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >::allocate(unsigned long, void const*) /usr/include/c++/7/ext/new_allocator.h:111
    #2 0x5649a0cdf854 in std::allocator_traits<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > >::allocate(std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >&, unsigned long) /usr/include/c++/7/bits/alloc_traits.h:436
    #3 0x5649a0cdf854 in std::__allocated_ptr<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > > std::__allocate_guarded<std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> > >(std::allocator<std::_Sp_counted_ptr_inplace<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, (__gnu_cxx::_Lock_policy)2> >&) /usr/include/c++/7/bits/allocated_ptr.h:104
    #4 0x5649a0cdf854 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, boost::asio::basic_stream_socket<boost::asio::ip::tcp>*, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr_base.h:635
    #5 0x5649a0cdf854 in std::__shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr_base.h:1295
    #6 0x5649a0cdf854 in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >::shared_ptr<std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::_Sp_make_shared_tag, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:344
    #7 0x5649a0cdf854 in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > std::allocate_shared<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> >, boost::asio::io_context&>(std::allocator<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > const&, boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:691
    #8 0x5649a0cdf854 in std::shared_ptr<boost::asio::basic_stream_socket<boost::asio::ip::tcp> > std::make_shared<boost::asio::basic_stream_socket<boost::asio::ip::tcp>, boost::asio::io_context&>(boost::asio::io_context&) /usr/include/c++/7/bits/shared_ptr.h:707
    #9 0x5649a0cdf854 in dsn::tools::asio_network_provider::do_accept() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:136
    #10 0x5649a0ce7a50 in dsn::tools::asio_network_provider::start(dsn::utils::customized_id<dsn::rpc_channel_>, int, bool) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:121
    #11 0x5649a0ad8964 in dsn::rpc_engine::create_network(dsn::network_server_config const&, bool, dsn::utils::customized_id<dsn::network_header_format_>) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:426
    #12 0x5649a0adad3d in dsn::rpc_engine::start(dsn::service_app_spec const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:499
    #13 0x5649a09bb4f9 in dsn::service_node::init_rpc_engine() /home/mi/workspace/pegasus/rdsn/src/runtime/service_engine.cpp:62
    #14 0x5649a09bba84 in dsn::service_node::start() /home/mi/workspace/pegasus/rdsn/src/runtime/service_engine.cpp:116
    #15 0x5649a09bd3e4 in dsn::service_engine::start_node(dsn::service_app_spec&) /home/mi/workspace/pegasus/rdsn/src/runtime/service_engine.cpp:238
    #16 0x5649a099dbfa in run /home/mi/workspace/pegasus/rdsn/src/runtime/service_api_c.cpp:499
    #17 0x5649a09a2a13 in dsn_run_config(char const*, bool) /home/mi/workspace/pegasus/rdsn/src/runtime/service_api_c.cpp:183
    #18 0x5649a0874e71 in main /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:148
    #19 0x7efe0e5eab96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Indirect leak of 32 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0c9319d in dsn::message_parser* dsn::message_parser::create<dsn::dsn_message_parser>() /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/message_parser.h:90
    #2 0x5649a0abe0ba in dsn::network::new_message_parser(dsn::utils::customized_id<dsn::network_header_format_>) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:547
    #3 0x5649a0cdf0db in dsn::tools::asio_network_provider::create_client_session(dsn::rpc_address) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:130
    #4 0x5649a0ac16fd in dsn::connection_oriented_network::send_message(dsn::message_ex*) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:638
    #5 0x5649a0ad4d05 in dsn::rpc_engine::call_ip(dsn::rpc_address, dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&, bool, bool) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:718
    #6 0x5649a0ad7d7b in dsn::rpc_engine::call_address(dsn::rpc_address, dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.h:202
    #7 0x5649a0ad7d7b in dsn::rpc_engine::call(dsn::message_ex*, dsn::ref_ptr<dsn::rpc_response_task> const&) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:617
    #8 0x5649a098a359 in dsn_rpc_call(dsn::rpc_address, dsn::rpc_response_task*) /home/mi/workspace/pegasus/rdsn/src/runtime/service_api_c.cpp:128
    #9 0x5649a096ce93 in call<dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/async_calls.h:150
    #10 0x5649a096ce93 in call<const dsn::service::get_file_size_request&, dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/async_calls.h:179
    #11 0x5649a096ce93 in get_file_size<dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*)::<lambda(dsn::error_code, dsn::service::get_file_size_response&&)> > /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_client.h:123
    #12 0x5649a096ce93 in dsn::service::nfs_client_impl::begin_remote_copy(std::shared_ptr<dsn::remote_copy_request>&, dsn::aio_task*) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_client_impl.cpp:138
    #13 0x5649a08ede7e in dsn::nfs_node::copy_remote_files(dsn::rpc_address, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool, dsn::task_code, dsn::task_tracker*, std::function<void (dsn::error_code, unsigned long)>&&, int) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_node.cpp:56
    #14 0x5649a08cc512 in nfs_basic_Test::TestBody() /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:52
    #15 0x5649a0db98ab in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7648ab)
    #16 0x5649a0db3b2e in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x75eb2e)
    #17 0x5649a0d9755b in testing::Test::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x74255b)
    #18 0x5649a0d97e83 in testing::TestInfo::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x742e83)
    #19 0x5649a0d984fb in testing::TestCase::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7434fb)
    #20 0x5649a0d9f39f in testing::internal::UnitTestImpl::RunAllTests() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x74a39f)
    #21 0x5649a0dba9d2 in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x7659d2)
    #22 0x5649a0db496a in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x75f96a)
    #23 0x5649a0d9df85 in testing::UnitTest::Run() (/home/mi/workspace/pegasus/rdsn/builder/src/nfs/test/dsn_nfs_test+0x748f85)
    #24 0x5649a0874e7e in RUN_ALL_TESTS() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/gtest/gtest.h:2233
    #25 0x5649a0874e7e in main /home/mi/workspace/pegasus/rdsn/src/nfs/test/main.cpp:149
    #26 0x7efe0e5eab96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

Indirect leak of 24 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a091a6b8 in __gnu_cxx::new_allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> >::allocate(unsigned long, void const*) /usr/include/c++/7/ext/new_allocator.h:111
    #2 0x5649a091a6b8 in std::allocator_traits<std::allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> > >::allocate(std::allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> >&, unsigned long) /usr/include/c++/7/bits/alloc_traits.h:436
    #3 0x5649a091a6b8 in std::__allocated_ptr<std::allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> > > std::__allocate_guarded<std::allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> > >(std::allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> >&) /usr/include/c++/7/bits/allocated_ptr.h:104
    #4 0x5649a091a6b8 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<char*, std::default_delete<char []>, std::allocator<void> >(char*, std::default_delete<char []>, std::allocator<void>) /usr/include/c++/7/bits/shared_ptr_base.h:615
    #5 0x5649a091a6b8 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<char*, std::default_delete<char []> >(char*, std::default_delete<char []>) /usr/include/c++/7/bits/shared_ptr_base.h:605
    #6 0x5649a091a6b8 in std::__shared_ptr<char, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<char, std::default_delete<char []>, void>(char*, std::default_delete<char []>) /usr/include/c++/7/bits/shared_ptr_base.h:1088
    #7 0x5649a091a6b8 in std::shared_ptr<char>::shared_ptr<char, std::default_delete<char []>, void>(char*, std::default_delete<char []>) /usr/include/c++/7/bits/shared_ptr.h:147
    #8 0x5649a091a6b8 in std::shared_ptr<char> dsn::utils::make_shared_array<char>(unsigned long) /home/mi/workspace/pegasus/rdsn/include/dsn/utility/utils.h:72
    #9 0x5649a0ab050d in dsn::message_reader::read_buffer_ptr(unsigned int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/message_parser.cpp:150
    #10 0x5649a0cfd678 in dsn::tools::asio_rpc_session::do_read(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_rpc_session.cpp:83
    #11 0x5649a0ab5dff in dsn::rpc_session::start_read_next(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:224
    #12 0x5649a0ce43b0 in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:167
    #13 0x5649a0ce43b0 in operator() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/bind_handler.hpp:65
    #14 0x5649a0ce43b0 in asio_handler_invoke<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/handler_invoke_hook.hpp:69
    #15 0x5649a0ce43b0 in invoke<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code>, dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_invoke_helpers.hpp:37
    #16 0x5649a0ce43b0 in complete<boost::asio::detail::binder1<dsn::tools::asio_network_provider::do_accept()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_work.hpp:82
    #17 0x5649a0ce43b0 in do_complete /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/reactive_socket_accept_op.hpp:137
    #18 0x5649a0cf9aea in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #19 0x5649a0cf9aea in boost::asio::detail::epoll_reactor::descriptor_state::do_complete(void*, boost::asio::detail::scheduler_operation*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/epoll_reactor.ipp:776
    #20 0x5649a0a59c12 in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #21 0x5649a0a59c12 in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:401
    #22 0x5649a0a59c12 in boost::asio::detail::scheduler::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:154
    #23 0x5649a0cdaf3f in boost::asio::io_context::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/impl/io_context.ipp:70
    #24 0x5649a0cdaf3f in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:79
    #25 0x5649a0cdaf3f in __invoke_impl<void, dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:60
    #26 0x5649a0cdaf3f in __invoke<dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:95
    #27 0x5649a0cdaf3f in _M_invoke<0> /usr/include/c++/7/thread:234
    #28 0x5649a0cdaf3f in operator() /usr/include/c++/7/thread:243
    #29 0x5649a0cdaf3f in _M_run /usr/include/c++/7/thread:186
    #30 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

Indirect leak of 24 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a091a6b8 in __gnu_cxx::new_allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> >::allocate(unsigned long, void const*) /usr/include/c++/7/ext/new_allocator.h:111
    #2 0x5649a091a6b8 in std::allocator_traits<std::allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> > >::allocate(std::allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> >&, unsigned long) /usr/include/c++/7/bits/alloc_traits.h:436
    #3 0x5649a091a6b8 in std::__allocated_ptr<std::allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> > > std::__allocate_guarded<std::allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> > >(std::allocator<std::_Sp_counted_deleter<char*, std::default_delete<char []>, std::allocator<void>, (__gnu_cxx::_Lock_policy)2> >&) /usr/include/c++/7/bits/allocated_ptr.h:104
    #4 0x5649a091a6b8 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<char*, std::default_delete<char []>, std::allocator<void> >(char*, std::default_delete<char []>, std::allocator<void>) /usr/include/c++/7/bits/shared_ptr_base.h:615
    #5 0x5649a091a6b8 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<char*, std::default_delete<char []> >(char*, std::default_delete<char []>) /usr/include/c++/7/bits/shared_ptr_base.h:605
    #6 0x5649a091a6b8 in std::__shared_ptr<char, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<char, std::default_delete<char []>, void>(char*, std::default_delete<char []>) /usr/include/c++/7/bits/shared_ptr_base.h:1088
    #7 0x5649a091a6b8 in std::shared_ptr<char>::shared_ptr<char, std::default_delete<char []>, void>(char*, std::default_delete<char []>) /usr/include/c++/7/bits/shared_ptr.h:147
    #8 0x5649a091a6b8 in std::shared_ptr<char> dsn::utils::make_shared_array<char>(unsigned long) /home/mi/workspace/pegasus/rdsn/include/dsn/utility/utils.h:72
    #9 0x5649a0ab050d in dsn::message_reader::read_buffer_ptr(unsigned int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/message_parser.cpp:150
    #10 0x5649a0cfd678 in dsn::tools::asio_rpc_session::do_read(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_rpc_session.cpp:83
    #11 0x5649a0ab5dff in dsn::rpc_session::start_read_next(int) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:224
    #12 0x5649a0d1309c in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_rpc_session.cpp:197
    #13 0x5649a0d1309c in operator() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/bind_handler.hpp:65
    #14 0x5649a0d1309c in asio_handler_invoke<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/handler_invoke_hook.hpp:69
    #15 0x5649a0d1309c in invoke<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code>, dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_invoke_helpers.hpp:37
    #16 0x5649a0d1309c in complete<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_work.hpp:82
    #17 0x5649a0d1309c in do_complete /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/reactive_socket_connect_op.hpp:100
    #18 0x5649a0cf9aea in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #19 0x5649a0cf9aea in boost::asio::detail::epoll_reactor::descriptor_state::do_complete(void*, boost::asio::detail::scheduler_operation*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/epoll_reactor.ipp:776
    #20 0x5649a0a59c12 in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #21 0x5649a0a59c12 in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:401
    #22 0x5649a0a59c12 in boost::asio::detail::scheduler::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:154
    #23 0x5649a0cdaf3f in boost::asio::io_context::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/impl/io_context.ipp:70
    #24 0x5649a0cdaf3f in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:79
    #25 0x5649a0cdaf3f in __invoke_impl<void, dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:60
    #26 0x5649a0cdaf3f in __invoke<dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:95
    #27 0x5649a0cdaf3f in _M_invoke<0> /usr/include/c++/7/thread:234
    #28 0x5649a0cdaf3f in operator() /usr/include/c++/7/thread:243
    #29 0x5649a0cdaf3f in _M_run /usr/include/c++/7/thread:186
    #30 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

Indirect leak of 8 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0ac657a in __gnu_cxx::new_allocator<dsn::message_ex*>::allocate(unsigned long, void const*) /usr/include/c++/7/ext/new_allocator.h:111
    #2 0x5649a0ac657a in std::allocator_traits<std::allocator<dsn::message_ex*> >::allocate(std::allocator<dsn::message_ex*>&, unsigned long) /usr/include/c++/7/bits/alloc_traits.h:436
    #3 0x5649a0ac657a in std::_Vector_base<dsn::message_ex*, std::allocator<dsn::message_ex*> >::_M_allocate(unsigned long) /usr/include/c++/7/bits/stl_vector.h:172
    #4 0x5649a0ac657a in void std::vector<dsn::message_ex*, std::allocator<dsn::message_ex*> >::_M_realloc_insert<dsn::message_ex* const&>(__gnu_cxx::__normal_iterator<dsn::message_ex**, std::vector<dsn::message_ex*, std::allocator<dsn::message_ex*> > >, dsn::message_ex* const&) /usr/include/c++/7/bits/vector.tcc:406
    #5 0x5649a0ac7061 in std::vector<dsn::message_ex*, std::allocator<dsn::message_ex*> >::push_back(dsn::message_ex* const&) /usr/include/c++/7/bits/stl_vector.h:948
    #6 0x5649a0ac7061 in dsn::rpc_session::unlink_message_for_send() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:193
    #7 0x5649a0abc1df in dsn::rpc_session::send_message(dsn::message_ex*) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:275
    #8 0x5649a0ad207e in dsn::rpc_engine::reply(dsn::message_ex*, dsn::error_code) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/rpc_engine.cpp:761
    #9 0x5649a09129b1 in dsn::rpc_replier<dsn::service::get_file_size_response>::operator()(dsn::service::get_file_size_response const&) /home/mi/workspace/pegasus/rdsn/include/dsn/cpp/serverlet.h:77
    #10 0x5649a09129b1 in dsn::service::nfs_service_impl::on_get_file_size(dsn::service::get_file_size_request const&, dsn::rpc_replier<dsn::service::get_file_size_response>&) /home/mi/workspace/pegasus/rdsn/src/nfs/nfs_server_impl.cpp:225
    #11 0x5649a090017b in bool dsn::serverlet<dsn::service::nfs_service>::register_async_rpc_handler<dsn::service::get_file_size_request, dsn::service::get_file_size_response>(dsn::task_code, char const*, void (dsn::service::nfs_service::*)(dsn::service::get_file_size_request const&, dsn::rpc_replier<dsn::service::get_file_size_response>&))::{lambda(dsn::message_ex*)#1}::operator()(dsn::message_ex*) const /home/mi/workspace/pegasus/rdsn/include/dsn/cpp/serverlet.h:217
    #12 0x5649a0b025d3 in std::function<void (dsn::message_ex*)>::operator()(dsn::message_ex*) const /usr/include/c++/7/bits/std_function.h:706
    #13 0x5649a0b025d3 in dsn::rpc_request_task::exec() /home/mi/workspace/pegasus/rdsn/include/dsn/tool-api/task.h:435
    #14 0x5649a0b08f2c in dsn::task::exec_internal() /home/mi/workspace/pegasus/rdsn/src/runtime/task/task.cpp:176
    #15 0x5649a0b6d445 in dsn::task_worker::loop() /home/mi/workspace/pegasus/rdsn/src/runtime/task/task_worker.cpp:211
    #16 0x5649a0b6e31c in dsn::task_worker::run_internal() /home/mi/workspace/pegasus/rdsn/src/runtime/task/task_worker.cpp:191
    #17 0x5649a0b6e8b3 in void std::__invoke_impl<void, void (dsn::task_worker::*&)(), dsn::task_worker*&>(std::__invoke_memfun_deref, void (dsn::task_worker::*&)(), dsn::task_worker*&) /usr/include/c++/7/bits/invoke.h:73
    #18 0x5649a0b6e8b3 in std::__invoke_result<void (dsn::task_worker::*&)(), dsn::task_worker*&>::type std::__invoke<void (dsn::task_worker::*&)(), dsn::task_worker*&>(void (dsn::task_worker::*&)(), dsn::task_worker*&) /usr/include/c++/7/bits/invoke.h:95
    #19 0x5649a0b6e8b3 in void std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) /usr/include/c++/7/functional:467
    #20 0x5649a0b6e8b3 in void std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>::operator()<, void>() /usr/include/c++/7/functional:551
    #21 0x5649a0b6e8b3 in void std::__invoke_impl<void, std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>>(std::__invoke_other, std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>&&) /usr/include/c++/7/bits/invoke.h:60
    #22 0x5649a0b6e8b3 in std::__invoke_result<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>>::type std::__invoke<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>>(std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()>&&) /usr/include/c++/7/bits/invoke.h:95
    #23 0x5649a0b6e8b3 in decltype (__invoke((_S_declval<0ul>)())) std::thread::_Invoker<std::tuple<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()> > >::_M_invoke<0ul>(std::_Index_tuple<0ul>) /usr/include/c++/7/thread:234
    #24 0x5649a0b6e8b3 in std::thread::_Invoker<std::tuple<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()> > >::operator()() /usr/include/c++/7/thread:243
    #25 0x5649a0b6e8b3 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<std::_Bind<void (dsn::task_worker::*(dsn::task_worker*))()> > > >::_M_run() /usr/include/c++/7/thread:186
    #26 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

Indirect leak of 8 byte(s) in 1 object(s) allocated from:
    #0 0x7efe0fc32448 in operator new(unsigned long) (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xe0448)
    #1 0x5649a0ac657a in __gnu_cxx::new_allocator<dsn::message_ex*>::allocate(unsigned long, void const*) /usr/include/c++/7/ext/new_allocator.h:111
    #2 0x5649a0ac657a in std::allocator_traits<std::allocator<dsn::message_ex*> >::allocate(std::allocator<dsn::message_ex*>&, unsigned long) /usr/include/c++/7/bits/alloc_traits.h:436
    #3 0x5649a0ac657a in std::_Vector_base<dsn::message_ex*, std::allocator<dsn::message_ex*> >::_M_allocate(unsigned long) /usr/include/c++/7/bits/stl_vector.h:172
    #4 0x5649a0ac657a in void std::vector<dsn::message_ex*, std::allocator<dsn::message_ex*> >::_M_realloc_insert<dsn::message_ex* const&>(__gnu_cxx::__normal_iterator<dsn::message_ex**, std::vector<dsn::message_ex*, std::allocator<dsn::message_ex*> > >, dsn::message_ex* const&) /usr/include/c++/7/bits/vector.tcc:406
    #5 0x5649a0ac7061 in std::vector<dsn::message_ex*, std::allocator<dsn::message_ex*> >::push_back(dsn::message_ex* const&) /usr/include/c++/7/bits/stl_vector.h:948
    #6 0x5649a0ac7061 in dsn::rpc_session::unlink_message_for_send() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:193
    #7 0x5649a0abd4b7 in dsn::rpc_session::on_send_completed(unsigned long) /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/network.cpp:330
    #8 0x5649a0d13076 in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_rpc_session.cpp:196
    #9 0x5649a0d13076 in operator() /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/bind_handler.hpp:65
    #10 0x5649a0d13076 in asio_handler_invoke<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/handler_invoke_hook.hpp:69
    #11 0x5649a0d13076 in invoke<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code>, dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_invoke_helpers.hpp:37
    #12 0x5649a0d13076 in complete<boost::asio::detail::binder1<dsn::tools::asio_rpc_session::connect()::<lambda(boost::system::error_code)>, boost::system::error_code> > /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/handler_work.hpp:82
    #13 0x5649a0d13076 in do_complete /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/reactive_socket_connect_op.hpp:100
    #14 0x5649a0cf9aea in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #15 0x5649a0cf9aea in boost::asio::detail::epoll_reactor::descriptor_state::do_complete(void*, boost::asio::detail::scheduler_operation*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/epoll_reactor.ipp:776
    #16 0x5649a0a59c12 in boost::asio::detail::scheduler_operation::complete(void*, boost::system::error_code const&, unsigned long) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/scheduler_operation.hpp:40
    #17 0x5649a0a59c12 in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:401
    #18 0x5649a0a59c12 in boost::asio::detail::scheduler::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/detail/impl/scheduler.ipp:154
    #19 0x5649a0cdaf3f in boost::asio::io_context::run(boost::system::error_code&) /home/mi/workspace/pegasus/rdsn/thirdparty/output/include/boost/asio/impl/io_context.ipp:70
    #20 0x5649a0cdaf3f in operator() /home/mi/workspace/pegasus/rdsn/src/runtime/rpc/asio_net_provider.cpp:79
    #21 0x5649a0cdaf3f in __invoke_impl<void, dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:60
    #22 0x5649a0cdaf3f in __invoke<dsn::tools::asio_network_provider::start(dsn::rpc_channel, int, bool)::<lambda()> > /usr/include/c++/7/bits/invoke.h:95
    #23 0x5649a0cdaf3f in _M_invoke<0> /usr/include/c++/7/thread:234
    #24 0x5649a0cdaf3f in operator() /usr/include/c++/7/thread:243
    #25 0x5649a0cdaf3f in _M_run /usr/include/c++/7/thread:186
    #26 0x7efe0ec8f6de  (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0xbd6de)

SUMMARY: AddressSanitizer: 132288 byte(s) leaked in 14 allocation(s).
ERROR: run dsn_nfs_test failed, return_code = 1

That is because the dsn_exit is not called before, and the dsn core is already run when the unit test is done. so asan thought the memory hold by dsn core as memory leak