When I called joinSession but did not join the room, I released the SDK operation, causing the program to crash. When the following stack, please also help to analyze.
[Thread debugging using libthread_db enabled]
Using host libthread_db library “/lib/x86_64-linux-gnu/libthread_db.so.1”.
Core was generated by `./xultrasound’.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f2a1dcb2898 in ssb::thread_mgr_t::find_by_type(unsigned int) const () from lib/libvideosdk.so.1
[Current thread is 1 (Thread 0x7f2a485627c0 (LWP 579))]
Thread 1 (Thread 0x7f2a485627c0 (LWP 579)):
#0 0x00007f2a1dcb2898 in ssb::thread_mgr_t::find_by_type(unsigned int) const () from lib/libvideosdk.so.1
#1 0x00007f2a1dcb3180 in ssb::thread_mgr_t::stop_threads_by_type(unsigned int) () from lib/libvideosdk.so.1
#2 0x00007f2a1dc132a7 in ssb::dns_provider_t::~dns_provider_t() () from lib/libvideosdk.so.1
#3 0x00007f2a1dc13339 in ssb::dns_provider_t::~dns_provider_t() () from lib/libvideosdk.so.1
#4 0x00007f2a1dc01288 in ssb::singleton_t<ssb::dns_provider_t, ssb::thread_mutex_recursive>::reset_all() () from lib/libvideosdk.so.1
#5 0x00007f2a1dca9c53 in ssb::singleton_life_t::cleanup() () from lib/libvideosdk.so.1
#6 0x00007f2a1dcbeb61 in util_uninit () from lib/libvideosdk.so.1
#7 0x00007f2a1dcbeb9b in sdk_global_exit () from lib/libvideosdk.so.1
#8 0x00007f2a1c2a0c7d in ZOOMLITESDK::CZoomRTCMgr::Cleanup() () from lib/libvideosdk.so.1
#9 0x00007f2a1c29484b in ZOOMVIDEOSDK::ZoomVideoSDK::UNInitialize() () from lib/libvideosdk.so.1
#10 0x00007f2a1c296fb2 in ZOOMVIDEOSDK::ZoomVideoSDK::~ZoomVideoSDK() () from lib/libvideosdk.so.1
#11 0x00007f2a1c297159 in ZOOMVIDEOSDK::ZoomVideoSDK::~ZoomVideoSDK() () from lib/libvideosdk.so.1
#12 0x00007f2a1c298e06 in DestroyZoomVideoSDKObj () from lib/libvideosdk.so.1
#13 0x00007f2a2f50253a in ZoomVideoService::ReleaseSDK() () from lib/libultraremotemodel.so
#14 0x00007f2a2f4e4b20 in UltraRemoteService::unInit() () from lib/libultraremotemodel.so
#15 0x00007f2a447ee34c in InternetTool::releaseAll() () from lib/libdispatcher.so
#16 0x00007f2a447ee562 in InternetTool::onPrepareExitService() () from lib/libdispatcher.so
#17 0x00007f2a4dab7f30 in void doActivate(QObject*, int, void**) () from /opt/Qt/5.15.2/gcc_64/lib/libQt5Core.so.5
#18 0x00007f2a44820627 in ShutDownTool::doButtonPressShutDownProcess() () from lib/libdispatcher.so
#19 0x00007f2a4482093d in ShutDownTool::executeShutDown() () from lib/libdispatcher.so
#20 0x00007f2a4daaeda3 in QObject::event(QEvent*) () from /opt/Qt/5.15.2/gcc_64/lib/libQt5Core.so.5
#21 0x00007f2a4bfdede3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /opt/Qt/5.15.2/gcc_64/lib/libQt5Widgets.so.5
#22 0x00007f2a4bfe7bd8 in QApplication::notify(QObject*, QEvent*) () from /opt/Qt/5.15.2/gcc_64/lib/libQt5Widgets.so.5
#23 0x00007f2a4da7f808 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /opt/Qt/5.15.2/gcc_64/lib/libQt5Core.so.5
#24 0x00007f2a4da82882 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /opt/Qt/5.15.2/gcc_64/lib/libQt5Core.so.5
#25 0x00007f2a4dadbb33 in postEventSourceDispatch(_GSource*, int ()(void), void*) () from /opt/Qt/5.15.2/gcc_64/lib/libQt5Core.so.5
#26 0x00007f2a490f317d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f2a490f3400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f2a490f34a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f2a4dadb1cc in QEventDispatcherGlib::processEvents(QFlagsQEventLoop::ProcessEventsFlag) () from /opt/Qt/5.15.2/gcc_64/lib/libQt5Core.so.5
#30 0x00007f2a4da7e21a in QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) () from /opt/Qt/5.15.2/gcc_64/lib/libQt5Core.so.5
#31 0x00007f2a4da871d3 in QCoreApplication::exec() () from /opt/Qt/5.15.2/gcc_64/lib/libQt5Core.so.5
#32 0x00007f2a4e414aea in AppLauncher::run(int, char**) () from lib/libutilitymodel.so
#33 0x00007f2a4d6080b3 in __libc_start_main (main=0x55b63855d060, argc=1, argv=0x7fff441fc348, init=, fini=, rtld_fini=, stack_end=0x7fff441fc338) at …/csu/libc-start.c:308
#34 0x000055b63855d09e in ?? ()
#35 0x00007fff441fc338 in ?? ()
#36 0x000000000000001c in ?? ()
#37 0x0000000000000001 in ?? ()
#38 0x00007fff441fddc0 in ?? ()
#39 0x0000000000000000 in ?? ()