QFbCursor: memory leak

$ LD_PRELOAD=/tmp/libasan.so.6 ASAN_OPTIONS=detect_leaks=1:quarantine_size_mb=3:halt_on_error=1 app
............
Direct leak of 20 byte(s) in 1 object(s) allocated from:
    #0 0xb6a4ed34 in operator new(unsigned int) /tmp/firmware/build-arm-s805/arm-rtk-linux-gnueabihf/.build/arm-rtk-linux-gnueabihf/src/gcc/libsanitizer/asan/asan_new_delete.c
pp:99
    #1 0xb0015160  (/usr/local/qt/plugins/platforms/libqpa-amlogic.so+0x11160)
    #2 0xb0012fe4 in QLinuxFbScreen::initialize() (/usr/local/qt/plugins/platforms/libqpa-amlogic.so+0xefe4)
    #3 0xb001141c in QLinuxFbIntegration::initialize() (/usr/local/qt/plugins/platforms/libqpa-amlogic.so+0xd41c)
    #4 0xb3dfe484 in QCoreApplicationPrivate::init() (/usr/local/qt/lib/libQt6Core.so.6+0x137484)
    #5 0xb43cfe30 in QGuiApplicationPrivate::init() (/usr/local/qt/lib/libQt6Gui.so.6+0x150e30)
    #6 0xb499b358 in QApplicationPrivate::init() (/usr/local/qt/lib/libQt6Widgets.so.6+0x80358)
    #7 0xb499b418 in QApplication::QApplication(int&, char**, int) (/usr/local/qt/lib/libQt6Widgets.so.6+0x80418)
    #8 0xb61e0554 in stbui::Application::Application(int&, char**) (/usr/lib/libstbui.so+0x46c554)
    #9 0xb642bf1c in start(int, char**) (/usr/lib/libstbui.so+0x6b7f1c)
    #10 0xb398976c  (/lib/libc.so.6+0x1d76c)
    #11 0xb3989874 in __libc_start_main (/lib/libc.so.6+0x1d874)
...........

$ cat /proc/version 
Linux version 3.10.33 (user@be1fe01fe8c3) (gcc version 4.9.2 20140904 (prerelease) (crosstool-NG linaro-1.13.1-4.9-2014.09 - Linaro GCC 4.9-2014.09) ) #1 SMP PREEMPT Tue Mar 2
8 06:39:30 UTC 2023