Memory leak with version 1.2.11

[hlange]

I am currently developing a client that sends and receives data using UAMQP, but the memory is growing.

Since I work on a Windows system, I studied the program with DrMemory, which tells me the following:

Error #1: LEAK 112 direct bytes + 235 indirect bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
socketio_create
c:\a\azure-iot-sdk-c\c-utility\adapters\socketio_win32.c(157):
xio_create
c:\a\azure-iot-sdk-c\c-utility\src\xio.c(47):
tlsio_schannel_create
c:\a\azure-iot-sdk-c\c-utility\adapters\tlsio_schannel.c(1029):
xio_create
c:\a\azure-iot-sdk-c\c-utility\src\xio.c(47):
UAMQPReceiver::receiveMessages
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpreceiver.cpp(121):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0
std::_LaunchPad<>::_Run
??:0
std::_LaunchPad<>::_Go
??:0
std::_Pad::_Call_func
??:0

Error #2: LEAK 8 direct bytes + 220 indirect bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
xio_create
c:\a\azure-iot-sdk-c\c-utility\src\xio.c(38):
UAMQPReceiver::receiveMessages
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpreceiver.cpp(126):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0
std::_LaunchPad<>::_Run
??:0
std::_LaunchPad<>::_Go
??:0
std::_Pad::_Call_func
??:0
ucrtbased.dll!register_onexit_function
??:0
ucrtbased.dll!register_onexit_function
??:0
KERNEL32.dll!BaseThreadInitThunk
??:0

Error #3: LEAK 44 direct bytes + 36 indirect bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
internal_decoder_create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(4865):
amqpvalue_decoder_create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(6935):
sasl_frame_codec_create
c:\a\azure-iot-sdk-c\uamqp\src\sasl_frame_codec.c(183):
saslclientio_create
c:\a\azure-iot-sdk-c\uamqp\src\saslclientio.c(1002):
xio_create
c:\a\azure-iot-sdk-c\c-utility\src\xio.c(47):
UAMQPReceiver::receiveMessages
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpreceiver.cpp(126):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0
std::_LaunchPad<>::_Run
??:0
std::_LaunchPad<>::_Go
??:0

Error #4: POSSIBLE LEAK 32 bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
amqpvalue_decoder_create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(6924):
amqp_frame_codec_create
c:\a\azure-iot-sdk-c\uamqp\src\amqp_frame_codec.c(174):
connection_create2
c:\a\azure-iot-sdk-c\uamqp\src\connection.c(1168):
connection_create
c:\a\azure-iot-sdk-c\uamqp\src\connection.c(1128):
UAMQPSender::sendMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(72):
Sender::processMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\cloudcom\sender.cpp(22):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0

Error #5: POSSIBLE LEAK 32 bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
amqpvalue_create_composite_with_ulong_descriptor
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(7122):
target_create
c:\a\azure-iot-sdk-c\uamqp\src\amqp_definitions.c(13430):
messaging_create_target
c:\a\azure-iot-sdk-c\uamqp\src\messaging.c(61):
UAMQPSender::sendMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(83):
Sender::processMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\cloudcom\sender.cpp(22):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0
std::_LaunchPad<>::_Run
??:0

Error #6: POSSIBLE LEAK 32 bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
internal_decoder_decode_bytes
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(6346):
internal_decoder_decode_bytes
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(5448):
amqpvalue_decode_bytes
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(6990):
frame_received
c:\a\azure-iot-sdk-c\uamqp\src\sasl_frame_codec.c(112):
frame_codec_receive_bytes
c:\a\azure-iot-sdk-c\uamqp\src\frame_codec.c(408):
saslclientio_receive_byte
c:\a\azure-iot-sdk-c\uamqp\src\saslclientio.c(367):
on_underlying_io_bytes_received
c:\a\azure-iot-sdk-c\uamqp\src\saslclientio.c(478):
on_underlying_io_bytes_received
c:\a\azure-iot-sdk-c\c-utility\adapters\tlsio_schannel.c(807):
socketio_dowork
c:\a\azure-iot-sdk-c\c-utility\adapters\socketio_win32.c(521):

Error #7: POSSIBLE LEAK 32 bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
internal_decoder_decode_bytes
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(4936):
amqpvalue_decode_bytes
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(6990):
frame_received
c:\a\azure-iot-sdk-c\uamqp\src\sasl_frame_codec.c(112):
frame_codec_receive_bytes
c:\a\azure-iot-sdk-c\uamqp\src\frame_codec.c(408):
saslclientio_receive_byte
c:\a\azure-iot-sdk-c\uamqp\src\saslclientio.c(367):
on_underlying_io_bytes_received
c:\a\azure-iot-sdk-c\uamqp\src\saslclientio.c(478):
on_underlying_io_bytes_received
c:\a\azure-iot-sdk-c\c-utility\adapters\tlsio_schannel.c(807):
socketio_dowork
c:\a\azure-iot-sdk-c\c-utility\adapters\socketio_win32.c(521):
xio_dowork
c:\a\azure-iot-sdk-c\c-utility\src\xio.c(165):

Error #8: POSSIBLE LEAK 32 bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
internal_decoder_decode_bytes
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(4962):
amqpvalue_decode_bytes
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(6990):
frame_received
c:\a\azure-iot-sdk-c\uamqp\src\sasl_frame_codec.c(112):
frame_codec_receive_bytes
c:\a\azure-iot-sdk-c\uamqp\src\frame_codec.c(408):
saslclientio_receive_byte
c:\a\azure-iot-sdk-c\uamqp\src\saslclientio.c(367):
on_underlying_io_bytes_received
c:\a\azure-iot-sdk-c\uamqp\src\saslclientio.c(478):
on_underlying_io_bytes_received
c:\a\azure-iot-sdk-c\c-utility\adapters\tlsio_schannel.c(807):
socketio_dowork
c:\a\azure-iot-sdk-c\c-utility\adapters\socketio_win32.c(521):
xio_dowork
c:\a\azure-iot-sdk-c\c-utility\src\xio.c(165):

Error #9: POSSIBLE LEAK 32 direct bytes + 8 indirect bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
internal_decoder_decode_bytes
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(5413):
amqpvalue_decode_bytes
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(6990):
frame_received
c:\a\azure-iot-sdk-c\uamqp\src\sasl_frame_codec.c(112):
frame_codec_receive_bytes
c:\a\azure-iot-sdk-c\uamqp\src\frame_codec.c(408):
saslclientio_receive_byte
c:\a\azure-iot-sdk-c\uamqp\src\saslclientio.c(367):
on_underlying_io_bytes_received
c:\a\azure-iot-sdk-c\uamqp\src\saslclientio.c(478):
on_underlying_io_bytes_received
c:\a\azure-iot-sdk-c\c-utility\adapters\tlsio_schannel.c(807):
socketio_dowork
c:\a\azure-iot-sdk-c\c-utility\adapters\socketio_win32.c(521):
xio_dowork
c:\a\azure-iot-sdk-c\c-utility\src\xio.c(165):

Error #10: POSSIBLE LEAK 32 direct bytes + 32 indirect bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
amqpvalue_create_composite_with_ulong_descriptor
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(7122):
source_create
c:\a\azure-iot-sdk-c\uamqp\src\amqp_definitions.c(11918):
messaging_create_source
c:\a\azure-iot-sdk-c\uamqp\src\messaging.c(14):
UAMQPSender::sendMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(80):
Sender::processMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\cloudcom\sender.cpp(22):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0
std::_LaunchPad<>::_Run
??:0

Error #11: POSSIBLE LEAK 32 bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
amqpvalue_decoder_create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(6924):
sasl_frame_codec_create
c:\a\azure-iot-sdk-c\uamqp\src\sasl_frame_codec.c(183):
saslclientio_create
c:\a\azure-iot-sdk-c\uamqp\src\saslclientio.c(1002):
xio_create
c:\a\azure-iot-sdk-c\c-utility\src\xio.c(47):
UAMQPSender::sendMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(69):
Sender::processMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\cloudcom\sender.cpp(22):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0

Error #12: POSSIBLE LEAK 32 direct bytes + 4 indirect bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
amqpvalue_create_list
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(1219):
amqpvalue_create_composite_with_ulong_descriptor
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(7140):
target_create
c:\a\azure-iot-sdk-c\uamqp\src\amqp_definitions.c(13430):
messaging_create_target
c:\a\azure-iot-sdk-c\uamqp\src\messaging.c(61):
UAMQPSender::sendMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(83):
Sender::processMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\cloudcom\sender.cpp(22):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0

Error #13: POSSIBLE LEAK 32 direct bytes + 111 indirect bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
amqpvalue_create_string
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(1069):
messaging_create_target
c:\a\azure-iot-sdk-c\uamqp\src\messaging.c(70):
UAMQPSender::sendMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(83):
Sender::processMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\cloudcom\sender.cpp(22):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0
std::_LaunchPad<>::_Run
??:0
std::_LaunchPad<>::_Go
??:0

Error #14: POSSIBLE LEAK 32 bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
amqpvalue_create_ulong
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(430):
amqpvalue_create_composite_with_ulong_descriptor
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(7129):
target_create
c:\a\azure-iot-sdk-c\uamqp\src\amqp_definitions.c(13430):
messaging_create_target
c:\a\azure-iot-sdk-c\uamqp\src\messaging.c(61):
UAMQPSender::sendMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(83):
Sender::processMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\cloudcom\sender.cpp(22):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0

Error #15: POSSIBLE LEAK 32 direct bytes + 4 indirect bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
amqpvalue_create_list
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(1219):
amqpvalue_create_composite_with_ulong_descriptor
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(7140):
source_create
c:\a\azure-iot-sdk-c\uamqp\src\amqp_definitions.c(11918):
messaging_create_source
c:\a\azure-iot-sdk-c\uamqp\src\messaging.c(14):
UAMQPSender::sendMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(80):
Sender::processMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\cloudcom\sender.cpp(22):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0

Error #16: POSSIBLE LEAK 32 direct bytes + 9 indirect bytes
replace_malloc
d:\drmemory_package\common\alloc_replace.c(2577):
REFCOUNT_AMQP_VALUE_DATA_Create_With_Extra_Size
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
REFCOUNT_AMQP_VALUE_DATA_Create
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(168):
amqpvalue_create_string
c:\a\azure-iot-sdk-c\uamqp\src\amqpvalue.c(1069):
messaging_create_source
c:\a\azure-iot-sdk-c\uamqp\src\messaging.c(23):
UAMQPSender::sendMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(80):
Sender::processMessage
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\cloudcom\sender.cpp(22):
std::_Invoker_pmf_pointer::_Call<>
??:0
std::invoke<>
??:0
std::_LaunchPad<>::_Execute<>
??:0
std::_LaunchPad<>::_Run
??:0
std::_LaunchPad<>::_Go
??:0

Reached maximum leak report limit (-report_leak_max). No further leaks will be reported.

===========================================================================
FINAL SUMMARY:

DUPLICATE ERROR COUNTS:
Error # 6: 2

SUPPRESSIONS USED:

ERRORS FOUND:
0 unique, 0 total unaddressable access(es)
0 unique, 0 total uninitialized access(es)
0 unique, 0 total invalid heap argument(s)
0 unique, 0 total GDI usage error(s)
0 unique, 0 total handle leak(s)
0 unique, 0 total warning(s)
3 unique, 3 total, 655 byte(s) of leak(s)
13 unique, 14 total, 624 byte(s) of possible leak(s)
20162 leak(s) beyond -report_leak_max

[hlange]

c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpreceiver.cpp(121):
tls_io = xio_create(tlsio_interface, &tls_io_config);
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpreceiver.cpp(126):
sasl_io = xio_create(saslclientio_get_interface_description(), &sasl_io_config);
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(80):
source = messaging_create_source("whatever");
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(83):
target = messaging_create_target(adress.c_str());
c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\cloudcom\sender.cpp(22):

unique_ptr<UAMQPSender> sender = make_unique<UAMQPSender>();
log4cpp::Category::getInstance(std::string("MSG")).debug("Send: " + msg.dump());
sender->sendMessage(msg);

c:\users\henrik\source\repos\cloudconnector\cloudconnector\classes\uamqp\uamqpsender.cpp(69):
sasl_io = xio_create(saslclientio_get_interface_description(), &sasl_io_config);

Receiver and sender are based on the examples https://github.com/Azure/azure-uamqp-c/blob/master/samples/message_receiver_sample/main.c and https://github.com/Azure/azure-uamqp-c/blob/master/samples/message_sender_sample/main.c, and were only transformed to a class.