Package: src:ukui-sniVersion: 4.21.0.2-1Severity: importantxembed-sni-proxy crashes with SIGSEGV when an X11 client requestsdocking to the system tray but its window is destroyed before the_NET_WM_PID property can be queried.The crash occurs in SNIProxy::getPid() at xembed-sni-proxy/sni-proxy.cpp,where the return values of xcb_intern_atom_reply() andxcb_get_property_reply() are dereferenced without NULL checks.Stack trace from coredump (systemd-coredump): #0 xembed-sni-proxy (+0x1575d) #1 xembed-sni-proxy (+0x17ca3) #2 QAbstractEventDispatcher::filterNativeEvent(...) #3 QXcbConnection::handleXcbEvent(xcb_generic_event_t*) #4 QXcbConnection::processXcbEvents(...) #5 ... (glib event loop) #6 QEventLoop::exec(...) #7 QCoreApplication::exec() #8 main
