linux@linux-virtual-machine:~/dev/test/qt_tsan_tests_dev/_build_gcc$ ./qt_tsan_tests
qt.qpa.plugin: Could not find the Qt platform plugin "wayland" in ""
=================================================================
==72389==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffe033c3af0 at pc 0x7f08b158106e bp 0x7ffe033c3770 sp 0x7ffe033c3760
WRITE of size 4 at 0x7ffe033c3af0 thread T0
    #0 0x7f08b158106d in value_lcopy_boolean ../glib/gobject/gvaluetypes.c:76
    #1 0x7f08b15289a1 in g_object_get_valist ../glib/gobject/gobject.c:2659
    #2 0x7f08b1529029 in g_object_get ../glib/gobject/gobject.c:2754
    #3 0x7f08b3eee24b in gtkSetting<bool> /home/linux/qt6_dev/qt6/qtbase/src/plugins/platformthemes/gtk3/qgtk3theme.cpp:30
    #4 0x7f08b3eef12b in QGtk3Theme::appearance() const /home/linux/qt6_dev/qt6/qtbase/src/plugins/platformthemes/gtk3/qgtk3theme.cpp:179
    #5 0x7f08bc0c5d6c in qt_fusionPalette() /home/linux/qt6_dev/qt6/qtbase/src/gui/kernel/qplatformtheme.cpp:349
    #6 0x7f08bc0c727a in QPlatformThemePrivate::initializeSystemPalette() /home/linux/qt6_dev/qt6/qtbase/src/gui/kernel/qplatformtheme.cpp:399
    #7 0x7f08bc0c7356 in QPlatformTheme::palette(QPlatformTheme::Palette) const /home/linux/qt6_dev/qt6/qtbase/src/gui/kernel/qplatformtheme.cpp:439
    #8 0x7f08bdbb9a16 in QApplicationPrivate::basePalette() const /home/linux/qt6_dev/qt6/qtbase/src/widgets/kernel/qapplication.cpp:1065
    #9 0x7f08bbf89e2c in QGuiApplicationPrivate::setPalette(QPalette const&) /home/linux/qt6_dev/qt6/qtbase/src/gui/kernel/qguiapplication.cpp:3372
    #10 0x7f08bbf8a161 in QGuiApplicationPrivate::updatePalette() /home/linux/qt6_dev/qt6/qtbase/src/gui/kernel/qguiapplication.cpp:3344
    #11 0x7f08bbfb01bf in QGuiApplicationPrivate::init() /home/linux/qt6_dev/qt6/qtbase/src/gui/kernel/qguiapplication.cpp:1603
    #12 0x7f08bdbd9d3c in QApplicationPrivate::init() /home/linux/qt6_dev/qt6/qtbase/src/widgets/kernel/qapplication.cpp:462
    #13 0x7f08bdbd9ebc in QApplication::QApplication(int&, char**, int) /home/linux/qt6_dev/qt6/qtbase/src/widgets/kernel/qapplication.cpp:450
    #14 0x5648a1e8f9d8 in main /home/linux/dev/test/qt_tsan_tests_dev/qt_tsan_tests/main.cpp:8
    #15 0x7f08ba2e6d8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
    #16 0x7f08ba2e6e3f in __libc_start_main_impl ../csu/libc-start.c:392
    #17 0x5648a1e8e3c4 in _start (/home/linux/dev/test/qt_tsan_tests_dev/_build_gcc/qt_tsan_tests+0x43c4)

Address 0x7ffe033c3af0 is located in stack of thread T0 at offset 32 in frame
    #0 0x7f08b3eee1c0 in gtkSetting<bool> /home/linux/qt6_dev/qt6/qtbase/src/plugins/platformthemes/gtk3/qgtk3theme.cpp:26

  This frame has 1 object(s):
    [32, 33) 'value' (line 29) <== Memory access at offset 32 partially overflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
      (longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-buffer-overflow ../glib/gobject/gvaluetypes.c:76 in value_lcopy_boolean
Shadow bytes around the buggy address:
  0x100040670700: 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2 00 00 00 f2
  0x100040670710: f2 f2 f2 f2 00 00 00 00 00 00 00 00 f3 f3 f3 f3
  0x100040670720: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1
  0x100040670730: f1 f1 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00 00
  0x100040670740: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x100040670750: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1[01]f3
  0x100040670760: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x100040670770: f1 f1 f1 f1 f1 f1 f8 f2 04 f2 04 f2 00 f2 f2 f2
  0x100040670780: 00 f2 f2 f2 00 f2 f2 f2 00 00 00 f2 f2 f2 f2 f2
  0x100040670790: f8 f8 f8 f2 f2 f2 f2 f2 f8 f8 f8 f2 f2 f2 f2 f2
  0x1000406707a0: 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00 00 00 00
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
  Shadow gap:              cc
==72389==ABORTING