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Question

I have a client/server app, I’m using Dr.Memory to debug and find mem leaks. The issue is that there are too many from the logger i’ve created for my application. Find the minimum reproducible example below –

Logging Test:

#define BOOST_TEST_DYN_LINK
#define BOOST_TEST_MODULE "LoggingTest"

// Setting this to 0x0602 (Windows 8) or higher will cause linking to fail.
// It works with 0x0601 (Windows 7).
#define  _WIN32_WINNT   0x0602

#include <boost/test/unit_test.hpp>
#include <boost/log/core.hpp>
#include <boost/log/trivial.hpp>
#include <boost/log/expressions.hpp>
#include <boost/log/sinks/text_file_backend.hpp>
#include <boost/log/utility/setup/file.hpp>
#include <boost/log/utility/setup/common_attributes.hpp>
#include <boost/log/sources/severity_logger.hpp>
#include <boost/log/sources/record_ostream.hpp>

namespace logging = boost::log;
namespace src = boost::log::sources;
namespace sinks = boost::log::sinks;
namespace keywords = boost::log::keywords;

#if 0

//[ example_tutorial_file_simple
void init()
{
    logging::add_file_log("sample.log");

    logging::core::get()->set_filter
    (
        logging::trivial::severity >= logging::trivial::info
    );
}
//]

// We need this due to this bug: https://svn.boost.org/trac/boost/ticket/4416
//[ example_tutorial_file_advanced_no_callouts
void init()
{
    logging::add_file_log
    (
        keywords::file_name = "sample_%N.log",
        keywords::rotation_size = 10 * 1024 * 1024,
        keywords::time_based_rotation = sinks::file::rotation_at_time_point(0, 0, 0),
        keywords::format = "[%TimeStamp%]: %Message%"
    );

    logging::core::get()->set_filter
    (
        logging::trivial::severity >= logging::trivial::info
    );
}
//]

#else

//[ example_tutorial_file_advanced
void init()
{
    logging::add_file_log
    (
        keywords::file_name = "sample_%N.log",                                        /*< file name pattern >*/
        keywords::rotation_size = 10 * 1024 * 1024,                                   /*< rotate files every 10 MiB... >*/
        keywords::time_based_rotation = sinks::file::rotation_at_time_point(0, 0, 0), /*< ...or at midnight >*/
        keywords::format = "[%TimeStamp%]: %Message%"                                 /*< log record format >*/
    );

    logging::core::get()->set_filter
    (
        logging::trivial::severity >= logging::trivial::info
    );
}
//]

#endif

BOOST_AUTO_TEST_CASE(LoggingTest)
{
    init();
    logging::add_common_attributes();

    using namespace logging::trivial;
    src::severity_logger< severity_level > lg;

    BOOST_LOG_SEV(lg, trace) << "A trace severity message";
    BOOST_LOG_SEV(lg, debug) << "A debug severity message";
    BOOST_LOG_SEV(lg, info) << "An informational severity message";
    BOOST_LOG_SEV(lg, warning) << "A warning severity message";
    BOOST_LOG_SEV(lg, error) << "An error severity message";
    BOOST_LOG_SEV(lg, fatal) << "A fatal severity message";
}

These cause many leaks as shown below:

# 0 replace_operator_new                                                       [D:adrmemorydrmemorycommonalloc_replace.c:2903]
# 1 boost_log-vc143-mt-gd-x64-1_84.d!std::_Default_allocate_traits::_Allocate  [C:Program FilesMicrosoft Visual Studio2022CommunityVCToolsMSVC14.36.32532includexmemory:77]
# 2 boost_log-vc143-mt-gd-x64-1_84.d!std::basic_string<>::basic_string<>       [C:Program FilesMicrosoft Visual Studio2022CommunityVCToolsMSVC14.36.32532includexstring:2577]
# 3 boost_log-vc143-mt-gd-x64-1_84.d!boost::system::detail::generic_error_category_message [C:vcpkginstalledx64-windowsincludeboostsystemdetailgeneric_category_message.hpp:68]
# 4 boost_log-vc143-mt-gd-x64-1_84.d!boost::system::detail::generic_error_category::message [C:vcpkginstalledx64-windowsincludeboostsystemdetailgeneric_category.hpp:65]
# 5 boost_filesystem-vc143-mt-gd-x64!boost::filesystem::detail::path_algorithms::compare_v4+0xbeb1   (0x00007ffd7d94e582 <boost_filesystem-vc143-mt-gd-x64+0xe582>)
# 6 boost_filesystem-vc143-mt-gd-x64!boost::filesystem::detail::path_algorithms::compare_v4+0xa09b   (0x00007ffd7d94c76c <boost_filesystem-vc143-mt-gd-x64+0xc76c>)
# 7 boost_filesystem-vc143-mt-gd-x64!boost::filesystem::detail::path_algorithms::compare_v4+0x686c   (0x00007ffd7d948f3d <boost_filesystem-vc143-mt-gd-x64+0x8f3d>)
# 8 boost_log-vc143-mt-gd-x64-1_84.d!boost::log::v2_mt_nt62::sinks::text_file_backend::consume [C:vcpkgbuildtreesboost-logsrcost-1.84.0-de692694bc.cleansrctext_file_backend.cpp:1496]
# 9 boost::log::v2_mt_nt62::sinks::basic_formatting_sink_frontend<>::feed_record<> [C:vcpkginstalledx64-windowsincludeboostlogsinksbasic_sink_frontend.hpp:465]
#10 boost::log::v2_mt_nt62::sinks::basic_formatting_sink_frontend<>::try_feed_record<> [C:vcpkginstalledx64-windowsincludeboostlogsinksbasic_sink_frontend.hpp:509]
#11 boost::log::v2_mt_nt62::sinks::synchronous_sink<>::try_consume             [C:vcpkginstalledx64-windowsincludeboostlogsinkssync_frontend.hpp:160]

Invalid Heap Argument

# 0 replace_operator_delete_nothrow                                            [D:adrmemorydrmemorycommonalloc_replace.c:2978]
# 1 boost_log-vc143-mt-gd-x64-1_84.d!operator delete                           [D:a_work1ssrcvctoolscrtvcstartupsrcheapdelete_scalar_size.cpp:31]
# 2 boost_log-vc143-mt-gd-x64-1_84.d!boost::filesystem::path::~path  
# 3 boost_log-vc143-mt-gd-x64-1_84.d!boost::log::v2_mt_nt62::core::implementation::~implementation
# 4 boost_log-vc143-mt-gd-x64-1_84.d!boost::log::v2_mt_nt62::core::implementation::`scalar deleting destructor'
# 5 boost_log-vc143-mt-gd-x64-1_84.d!boost::log::v2_mt_nt62::core::~core       [C:vcpkgbuildtreesboost-logsrcost-1.84.0-de692694bc.cleansrccore.cpp:495]
# 6 boost_log-vc143-mt-gd-x64-1_84.d!boost::log::v2_mt_nt62::core::`scalar deleting destructor'
# 7 boost_log-vc143-mt-gd-x64-1_84.d!boost::checked_delete<>                   [C:vcpkginstalledx64-windowsincludeboostcorechecked_delete.hpp:44]
# 8 boost_log-vc143-mt-gd-x64-1_84.d!boost::detail::sp_counted_impl_p<>::dispose [C:vcpkginstalledx64-windowsincludeboostsmart_ptrdetailsp_counted_impl.hpp:89]
# 9 boost_log-vc143-mt-gd-x64-1_84.d!boost::detail::sp_counted_base::release   [C:vcpkginstalledx64-windowsincludeboostsmart_ptrdetailsp_counted_base_std_atomic.hpp:119]
#10 boost_log-vc143-mt-gd-x64-1_84.d!boost::detail::shared_count::~shared_count [C:vcpkginstalledx64-windowsincludeboostsmart_ptrdetailshared_count.hpp:432]
#11 boost_log-vc143-mt-gd-x64-1_84.d!boost::shared_ptr<>::~shared_ptr<>
#12 boost_log-vc143-mt-gd-x64-1_84.d!`boost::log::v2_mt_nt62::aux::lazy_singleton<>::get_instance'::`2'::`dynamic atexit destructor for 'instance''
#13 ucrtbased.dll!initterm_e                                                  +0x960    (0x00007ffcb4c72931 <ucrtbased.dll+0xb2931>)
#14 ucrtbased.dll!initterm_e                                                  +0x134    (0x00007ffcb4c72105 <ucrtbased.dll+0xb2105>)
#15 ucrtbased.dll!initterm_e                                                  +0x286    (0x00007ffcb4c72257 <ucrtbased.dll+0xb2257>)
#16 ucrtbased.dll!execute_onexit_table                                        +0x33     (0x00007ffcb4c72b44 <ucrtbased.dll+0xb2b44>)
#17 boost_log-vc143-mt-gd-x64-1_84.d!__scrt_dllmain_uninitialize_c             [D:a_work1ssrcvctoolscrtvcstartupsrcutilityutility.cpp:398]
#18 boost_log-vc143-mt-gd-x64-1_84.d!dllmain_crt_process_detach                [D:a_work1ssrcvctoolscrtvcstartupsrcstartupdll_dllmain.cpp:180]
#19 boost_log-vc143-mt-gd-x64-1_84.d!dllmain_crt_dispatch                      [D:a_work1ssrcvctoolscrtvcstartupsrcstartupdll_dllmain.cpp:220]
Note: @0:00:09.015 in thread 24940
Note: refers to -1 byte(s) before next malloc
Note: next higher malloc: 0x00000252809ec690-0x00000252809ec6e0
Note: refers to -80 byte(s) beyond last valid byte in prior malloc
Note: prev lower malloc:  0x00000252809ec690-0x00000252809ec6e0

What can I do to rid of these bugs?

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Danh mục

Memory Leaks found in boost logger C++