Heap-use-after-free during broker shutdown

### Description
AddressSanitizer detects a heap-use-after-free error during broker shutdown. The issue involves incorrect destruction order between `io_context` and `endpoint` objects that hold timer references.

### Environment
- **Compiler**: GCC 12, C++17
- **Boost**: 1.82.0  
- **Build flags**: `-fsanitize=address,undefined`
- **async_mqtt Version**: 6a6d2d537

I simulated SSL/TLS initialization failures to test how the broker handles certificate loading errors, invalid keys, and other SSL-related failure scenarios.

### How I Found This
During these tests, while the broker correctly handles the SSL errors themselves, AddressSanitizer consistently reported a heap-use-after-free error during the subsequent shutdown sequence.
This bug occurs during the shutdown/cleanup phase after an SSL initialization failure, not during normal operation. The broker runs fine under normal conditions, but the memory safety issue is exposed when error paths are exercised.

### Reproduction
Build with AddressSanitizer and trigger any scenario where SSL/TLS initialization fails.

```bash
# Build with AddressSanitizer
cmake -DCMAKE_CXX_FLAGS="-g -fsanitize=address,undefined -fno-omit-frame-pointer" ..
make broker

# Run broker  (with fault-injected OpenSSL library to simulate SSL failures)
ASAN_OPTIONS=detect_leaks=0 ./build/tool/broker --cfg broker.conf

```


### Potential Root Cause
At `broker.cpp:804`, when `run_broker()` exits:

1. `std::vector<std::shared_ptr<io_context>>` destructs first
2. This destroys the internal `deadline_timer_service` 
3. `endpoint` objects (created at `broker.cpp:304`) destruct after
4. Endpoint destructors try to access the already-freed `deadline_timer_service` 
**The problem**: `endpoint` objects hold timers that depend on `io_context`, but the destruction order is reversed.


### Stack Trace
```
=================================================================
==1188484==ERROR: AddressSanitizer: heap-use-after-free on address 0x7bf2edee0ea0 at pc 0x00000062125c bp 0x7fff32c69990 sp 0x7fff32c69988
READ of size 8 at 0x7bf2edee0ea0 thread T0
    #0 0x00000062125b in boost::asio::detail::io_object_impl<boost::asio::detail::deadline_timer_service<boost::asio::detail::chrono_time_traits<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock> > >, boost::asio::any_io_executor>::~io_object_impl() async_mqtt/boost_1_82_0/install/include/boost/asio/detail/io_object_impl.hpp:97
    #1 0x00000058de23 in boost::asio::basic_waitable_timer<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock>, boost::asio::any_io_executor>::~basic_waitable_timer() async_mqtt/boost_1_82_0/install/include/boost/asio/basic_waitable_timer.hpp:382
    #2 0x0000021e538a in async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >::~basic_endpoint_impl() async_mqtt/include/async_mqtt/asio_bind/impl/endpoint_impl.hpp:51
    #3 0x0000021e5a10 in void std::destroy_at<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > >(async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:88
    #4 0x0000021dd28c in void std::_Destroy<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > >(async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:164
    #5 0x0000021a7ba4 in void std::allocator_traits<std::allocator<void> >::destroy<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > >(std::allocator<void>&, async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*) /usr/local/gcc12/include/c++/16.0.0/bits/alloc_traits.h:819
    #6 0x0000021a7ba4 in std::_Sp_counted_ptr_inplace<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, std::allocator<void>, (__gnu_cxx::_Lock_policy)2>::_M_dispose() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:618
    #7 0x000000425e76 in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:347
    #8 0x00000053038d in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:1072
    #9 0x0000006aa024 in std::__shared_ptr<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, (__gnu_cxx::_Lock_policy)2>::~__shared_ptr() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:1534
    #10 0x0000006aa15f in std::shared_ptr<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > >::~shared_ptr() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr.h:175
    #11 0x0000021ebc15 in async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >::~basic_endpoint() async_mqtt/include/async_mqtt/asio_bind/impl/endpoint_misc.ipp:517
    #12 0x0000021e63ac in void std::destroy_at<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > >(async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:88
    #13 0x0000021dde7e in void std::_Destroy<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > >(async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:164
    #14 0x0000021acc0a in void std::allocator_traits<std::allocator<void> >::destroy<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > >(std::allocator<void>&, async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*) /usr/local/gcc12/include/c++/16.0.0/bits/alloc_traits.h:819
    #15 0x0000021acc0a in std::_Sp_counted_ptr_inplace<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, std::allocator<void>, (__gnu_cxx::_Lock_policy)2>::_M_dispose() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:618
    #16 0x000000425e76 in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:347
    #17 0x00000053038d in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:1072
    #18 0x00000051963a in std::__shared_ptr<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, (__gnu_cxx::_Lock_policy)2>::~__shared_ptr() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:1534
    #19 0x00000051969d in std::shared_ptr<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > >::~shared_ptr() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr.h:175
    #20 0x00000051ba7a in run_broker(boost::program_options::variables_map const&)::{lambda()#5}::operator()() const::{lambda(boost::system::error_code const&)#1}::~error_code() async_mqtt/tool/broker.cpp:310
    #21 0x0000008e5023 in boost::asio::detail::binder1<run_broker(boost::program_options::variables_map const&)::{lambda()#5}::operator()() const::{lambda(boost::system::error_code const&)#1}, boost::system::error_code>::~binder1() async_mqtt/boost_1_82_0/install/include/boost/asio/detail/bind_handler.hpp:139
    #22 0x0000008e55f1 in boost::asio::detail::reactive_socket_accept_op<boost::asio::basic_socket<boost::asio::ip::tcp, boost::asio::any_io_executor>, boost::asio::ip::tcp, run_broker(boost::program_options::variables_map const&)::{lambda()#5}::operator()() const::{lambda(boost::system::error_code const&)#1}, boost::asio::any_io_executor>::do_complete(void*, boost::asio::detail::scheduler_operation*, boost::system::error_code const&, unsigned long) async_mqtt/boost_1_82_0/install/include/boost/asio/detail/reactive_socket_accept_op.hpp:158
    #23 0x00000043b37a in boost::asio::detail::scheduler_operation::destroy() async_mqtt/boost_1_82_0/install/include/boost/asio/detail/scheduler_operation.hpp:45
    #24 0x000000452e8d in boost::asio::detail::scheduler::shutdown() async_mqtt/boost_1_82_0/install/include/boost/asio/detail/impl/scheduler.ipp:176
    #25 0x000000435b0a in boost::asio::detail::service_registry::shutdown_services() async_mqtt/boost_1_82_0/install/include/boost/asio/detail/impl/service_registry.ipp:44
    #26 0x000000438311 in boost::asio::execution_context::shutdown() async_mqtt/boost_1_82_0/install/include/boost/asio/impl/execution_context.ipp:41
    #27 0x00000045baa5 in boost::asio::io_context::~io_context() async_mqtt/boost_1_82_0/install/include/boost/asio/impl/io_context.ipp:58
    #28 0x000000526a32 in run_broker(boost::program_options::variables_map const&) async_mqtt/tool/broker.cpp:804
    #29 0x000000415b41 in main async_mqtt/tool/broker.cpp:1007
    #30 0x7f72ee9730b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2) (BuildId: 099b9225bcb0d019d9d60884be583eb31bb5f44e)
    #31 0x00000041161d in _start (async_mqtt/build_openssl/tool/broker+0x41161d)

0x7bf2edee0ea0 is located 0 bytes inside of 96-byte region [0x7bf2edee0ea0,0x7bf2edee0f00)
freed by thread T0 here:
    #0 0x7f72efaae337 in operator delete(void*, unsigned long) ../../.././libsanitizer/asan/asan_new_delete.cpp:155
    #1 0x0000021d0408 in boost::asio::detail::deadline_timer_service<boost::asio::detail::chrono_time_traits<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock> > >::~deadline_timer_service() async_mqtt/boost_1_82_0/install/include/boost/asio/detail/deadline_timer_service.hpp:82
    #2 0x000000436548 in boost::asio::detail::service_registry::destroy(boost::asio::execution_context::service*) async_mqtt/boost_1_82_0/install/include/boost/asio/detail/impl/service_registry.ipp:110
    #3 0x000000435e3d in boost::asio::detail::service_registry::destroy_services() async_mqtt/boost_1_82_0/install/include/boost/asio/detail/impl/service_registry.ipp:54
    #4 0x000000438399 in boost::asio::execution_context::destroy() async_mqtt/boost_1_82_0/install/include/boost/asio/impl/execution_context.ipp:46
    #5 0x0000004381e2 in boost::asio::execution_context::~execution_context() async_mqtt/boost_1_82_0/install/include/boost/asio/impl/execution_context.ipp:35
    #6 0x00000045baf4 in boost::asio::io_context::~io_context() async_mqtt/boost_1_82_0/install/include/boost/asio/impl/io_context.ipp:59
    #7 0x0000021e63ec in void std::destroy_at<boost::asio::io_context>(boost::asio::io_context*) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:88
    #8 0x0000021dde99 in void std::_Destroy<boost::asio::io_context>(boost::asio::io_context*) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:164
    #9 0x0000021ad492 in void std::allocator_traits<std::allocator<void> >::destroy<boost::asio::io_context>(std::allocator<void>&, boost::asio::io_context*) /usr/local/gcc12/include/c++/16.0.0/bits/alloc_traits.h:819
    #10 0x0000021ad492 in std::_Sp_counted_ptr_inplace<boost::asio::io_context, std::allocator<void>, (__gnu_cxx::_Lock_policy)2>::_M_dispose() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:618
    #11 0x000000425e76 in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:347
    #12 0x00000053038d in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:1072
    #13 0x0000004de5c0 in std::__shared_ptr<boost::asio::io_context, (__gnu_cxx::_Lock_policy)2>::~__shared_ptr() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:1534
    #14 0x0000004de623 in std::shared_ptr<boost::asio::io_context>::~shared_ptr() /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr.h:175
    #15 0x0000008054c6 in void std::destroy_at<std::shared_ptr<boost::asio::io_context> >(std::shared_ptr<boost::asio::io_context>*) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:88
    #16 0x0000007514a8 in void std::_Destroy<std::shared_ptr<boost::asio::io_context> >(std::shared_ptr<boost::asio::io_context>*) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:164
    #17 0x00000069816a in void std::_Destroy<std::shared_ptr<boost::asio::io_context>*>(std::shared_ptr<boost::asio::io_context>*, std::shared_ptr<boost::asio::io_context>*) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:226
    #18 0x000000591865 in void std::_Destroy<std::shared_ptr<boost::asio::io_context>*, std::shared_ptr<boost::asio::io_context> >(std::shared_ptr<boost::asio::io_context>*, std::shared_ptr<boost::asio::io_context>*, std::allocator<std::shared_ptr<boost::asio::io_context> >&) /usr/local/gcc12/include/c++/16.0.0/bits/alloc_traits.h:1045
    #19 0x000000591865 in std::vector<std::shared_ptr<boost::asio::io_context>, std::allocator<std::shared_ptr<boost::asio::io_context> > >::~vector() /usr/local/gcc12/include/c++/16.0.0/bits/stl_vector.h:792
    #20 0x000000526a1b in run_broker(boost::program_options::variables_map const&) async_mqtt/tool/broker.cpp:804
    #21 0x000000415b41 in main async_mqtt/tool/broker.cpp:1007
    #22 0x7f72ee9730b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2) (BuildId: 099b9225bcb0d019d9d60884be583eb31bb5f44e)

previously allocated by thread T0 here:
    #0 0x7f72efaad3cf in operator new(unsigned long) ../../.././libsanitizer/asan/asan_new_delete.cpp:86
    #1 0x000000898348 in boost::asio::execution_context::service* boost::asio::detail::service_registry::create<boost::asio::detail::deadline_timer_service<boost::asio::detail::chrono_time_traits<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock> > >, boost::asio::execution_context>(void*) async_mqtt/boost_1_82_0/install/include/boost/asio/detail/impl/service_registry.hpp:87
    #2 0x000000436901 in boost::asio::detail::service_registry::do_use_service(boost::asio::execution_context::service::key const&, boost::asio::execution_context::service* (*)(void*), void*) async_mqtt/boost_1_82_0/install/include/boost/asio/detail/impl/service_registry.ipp:132
    #3 0x0000007fed60 in boost::asio::detail::deadline_timer_service<boost::asio::detail::chrono_time_traits<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock> > >& boost::asio::detail::service_registry::use_service<boost::asio::detail::deadline_timer_service<boost::asio::detail::chrono_time_traits<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock> > > >() async_mqtt/boost_1_82_0/install/include/boost/asio/detail/impl/service_registry.hpp:30
    #4 0x00000074abf0 in boost::asio::detail::deadline_timer_service<boost::asio::detail::chrono_time_traits<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock> > >& boost::asio::use_service<boost::asio::detail::deadline_timer_service<boost::asio::detail::chrono_time_traits<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock> > > >(boost::asio::execution_context&) async_mqtt/boost_1_82_0/install/include/boost/asio/impl/execution_context.hpp:35
    #5 0x000000692e5b in boost::asio::detail::io_object_impl<boost::asio::detail::deadline_timer_service<boost::asio::detail::chrono_time_traits<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock> > >, boost::asio::any_io_executor>::io_object_impl(int, boost::asio::any_io_executor const&) async_mqtt/boost_1_82_0/install/include/boost/asio/detail/io_object_impl.hpp:48
    #6 0x00000061f21c in boost::asio::basic_waitable_timer<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock>, boost::asio::any_io_executor>::basic_waitable_timer(boost::asio::any_io_executor const&) async_mqtt/boost_1_82_0/install/include/boost/asio/basic_waitable_timer.hpp:182
    #7 0x000000eeaa6f in async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >::basic_endpoint_impl<boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(async_mqtt::protocol_version, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) async_mqtt/include/async_mqtt/asio_bind/impl/endpoint_misc.hpp:41
    #8 0x000000e249df in void std::_Construct<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:133
    #9 0x000000ca3c34 in void std::allocator_traits<std::allocator<void> >::construct<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(std::allocator<void>&, async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/alloc_traits.h:805
    #10 0x000000ca3c34 in std::_Sp_counted_ptr_inplace<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, std::allocator<void>, (__gnu_cxx::_Lock_policy)2>::_Sp_counted_ptr_inplace<async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(std::allocator<void>, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:609
    #11 0x000000c11710 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, std::allocator<void>, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*&, std::_Sp_alloc_shared_tag<std::allocator<void> >, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:972
    #12 0x000000b7a5e0 in std::__shared_ptr<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<void>, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(std::_Sp_alloc_shared_tag<std::allocator<void> >, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:1722
    #13 0x000000ae0863 in std::shared_ptr<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > >::shared_ptr<std::allocator<void>, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(std::_Sp_alloc_shared_tag<std::allocator<void> >, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr.h:463
    #14 0x000000a31807 in std::shared_ptr<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > > std::make_shared<async_mqtt::detail::basic_endpoint_impl<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(async_mqtt::protocol_version&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr.h:1008
    #15 0x000000990c70 in async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >::basic_endpoint<boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(async_mqtt::protocol_version, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) async_mqtt/include/async_mqtt/asio_bind/impl/endpoint_misc.hpp:113
    #16 0x00000091c03d in void std::_Construct<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, async_mqtt::protocol_version, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*, async_mqtt::protocol_version&&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/stl_construct.h:133
    #17 0x0000008082b8 in void std::allocator_traits<std::allocator<void> >::construct<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, async_mqtt::protocol_version, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(std::allocator<void>&, async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*, async_mqtt::protocol_version&&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/alloc_traits.h:805
    #18 0x0000008082b8 in std::_Sp_counted_ptr_inplace<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, std::allocator<void>, (__gnu_cxx::_Lock_policy)2>::_Sp_counted_ptr_inplace<async_mqtt::protocol_version, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(std::allocator<void>, async_mqtt::protocol_version&&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:609
    #19 0x000000752b84 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, std::allocator<void>, async_mqtt::protocol_version, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >*&, std::_Sp_alloc_shared_tag<std::allocator<void> >, async_mqtt::protocol_version&&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:972
    #20 0x000000699eac in std::__shared_ptr<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<void>, async_mqtt::protocol_version, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(std::_Sp_alloc_shared_tag<std::allocator<void> >, async_mqtt::protocol_version&&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr_base.h:1722
    #21 0x0000006279f5 in std::shared_ptr<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > >::shared_ptr<std::allocator<void>, async_mqtt::protocol_version, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(std::_Sp_alloc_shared_tag<std::allocator<void> >, async_mqtt::protocol_version&&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr.h:463
    #22 0x000000593e86 in std::shared_ptr<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> > > std::make_shared<async_mqtt::basic_endpoint<(async_mqtt::role)2, 2ul, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::any_io_executor> >, async_mqtt::protocol_version, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> > >(async_mqtt::protocol_version&&, boost::asio::strand<boost::asio::io_context::basic_executor_type<std::allocator<void>, 0ul> >&&) /usr/local/gcc12/include/c++/16.0.0/bits/shared_ptr.h:1008
    #23 0x00000051895b in run_broker(boost::program_options::variables_map const&)::{lambda()#5}::operator()() const async_mqtt/tool/broker.cpp:304
    #24 0x0000008527f6 in void std::__invoke_impl<void, run_broker(boost::program_options::variables_map const&)::{lambda()#5}&>(std::__invoke_other, run_broker(boost::program_options::variables_map const&)::{lambda()#5}&) /usr/local/gcc12/include/c++/16.0.0/bits/invoke.h:63
    #25 0x0000007b48f6 in std::enable_if<is_invocable_r_v<void, run_broker(boost::program_options::variables_map const&)::{lambda()#5}&>, void>::type std::__invoke_r<void, run_broker(boost::program_options::variables_map const&)::{lambda()#5}&>(run_broker(boost::program_options::variables_map const&)::{lambda()#5}&) /usr/local/gcc12/include/c++/16.0.0/bits/invoke.h:113
    #26 0x0000006e62b0 in std::_Function_handler<void (), run_broker(boost::program_options::variables_map const&)::{lambda()#5}>::_M_invoke(std::_Any_data const&) /usr/local/gcc12/include/c++/16.0.0/bits/std_function.h:295
    #27 0x000000596510 in std::function<void ()>::operator()() const /usr/local/gcc12/include/c++/16.0.0/bits/std_function.h:581
    #28 0x000000523b0d in run_broker(boost::program_options::variables_map const&) async_mqtt/tool/broker.cpp:326
    #29 0x000000415b41 in main async_mqtt/tool/broker.cpp:1007
    #30 0x7f72ee9730b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2) (BuildId: 099b9225bcb0d019d9d60884be583eb31bb5f44e)

SUMMARY: AddressSanitizer: heap-use-after-free async_mqtt/boost_1_82_0/install/include/boost/asio/detail/io_object_impl.hpp:97 in boost::asio::detail::io_object_impl<boost::asio::detail::deadline_timer_service<boost::asio::detail::chrono_time_traits<std::chrono::_V2::steady_clock, boost::asio::wait_traits<std::chrono::_V2::steady_clock> > >, boost::asio::any_io_executor>::~io_object_impl()
Shadow bytes around the buggy address:
  0x7bf2edee0c00: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00
  0x7bf2edee0c80: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00
  0x7bf2edee0d00: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00
  0x7bf2edee0d80: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00
  0x7bf2edee0e00: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 fa
=>0x7bf2edee0e80: fa fa fa fa[fd]fd fd fd fd fd fd fd fd fd fd fd
  0x7bf2edee0f00: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00
  0x7bf2edee0f80: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fa
  0x7bf2edee1000: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fa
  0x7bf2edee1080: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fd
  0x7bf2edee1100: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fd fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==1188484==ABORTING
```

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Heap-use-after-free during broker shutdown #436

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Heap-use-after-free during broker shutdown #436

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