*** Error in `/home/oem/cpp/build-test-gui-qt_static-Release/test-gui': double free or corruption (out): 0x0000556a58504060 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x7908b)[0x7f094b01408b]
/lib/x86_64-linux-gnu/libc.so.6(+0x82c3a)[0x7f094b01dc3a]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7f094b021d2c]
/usr/lib/x86_64-linux-gnu/libxkbcommon.so.0(xkb_keymap_unref+0x172)[0x7f095110fe12]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0x112676)[0x556a569b3676]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0x10e993)[0x556a569af993]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0x10ed79)[0x556a569afd79]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0x110546)[0x556a569b1546]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0x110649)[0x556a569b1649]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0x585a3d)[0x556a56e26a3d]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0x239e29)[0x556a56adae29]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0xae2c5d)[0x556a57383c5d]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0xaac4b2)[0x556a5734d4b2]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0x23a1de)[0x556a56adb1de]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0xcc167)[0x556a5696d167]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1)[0x7f094afbb3f1]
/home/oem/cpp/build-test-gui-qt_static-Release/test-gui(+0xcd07a)[0x556a5696e07a]
======= Memory map: ========
556a568a1000-556a5786a000 r-xp 00000000 08:02 9322345                    /home/oem/cpp/build-test-gui-qt_static-Release/test-gui
556a57a69000-556a57ab3000 r--p 00fc8000 08:02 9322345                    /home/oem/cpp/build-test-gui-qt_static-Release/test-gui
556a57ab3000-556a57ab9000 rw-p 01012000 08:02 9322345                    /home/oem/cpp/build-test-gui-qt_static-Release/test-gui
556a57ab9000-556a57ac3000 rw-p 00000000 00:00 0 
556a584d5000-556a58847000 rw-p 00000000 00:00 0                          [heap]
7f0938000000-7f0938021000 rw-p 00000000 00:00 0 
7f0938021000-7f093c000000 ---p 00000000 00:00 0 
7f093e146000-7f093f5e1000 r-xp 00000000 08:02 5509637                    /usr/lib/nvidia-384/libnvidia-glcore.so.384.90
7f093f5e1000-7f093f602000 rwxp 0149b000 08:02 5509637                    /usr/lib/nvidia-384/libnvidia-glcore.so.384.90
7f093f602000-7f093f9e4000 r-xp 014bc000 08:02 5509637                    /usr/lib/nvidia-384/libnvidia-glcore.so.384.90
7f093f9e4000-7f093fbe4000 ---p 0189e000 08:02 5509637                    /usr/lib/nvidia-384/libnvidia-glcore.so.384.90
7f093fbe4000-7f093ffe7000 rw-p 0189e000 08:02 5509637                    /usr/lib/nvidia-384/libnvidia-glcore.so.384.90
7f093ffe7000-7f0940000000 rw-p 00000000 00:00 0 
7f0940000000-7f0940021000 rw-p 00000000 00:00 0 
7f0940021000-7f0944000000 ---p 00000000 00:00 0 
7f09452c3000-7f09452c6000 r-xp 00000000 08:02 5510771                    /usr/lib/nvidia-384/tls/libnvidia-tls.so.384.90
7f09452c6000-7f09454c6000 ---p 00003000 08:02 5510771                    /usr/lib/nvidia-384/tls/libnvidia-tls.so.384.90
7f09454c6000-7f09454c7000 rw-p 00003000 08:02 5510771                    /usr/lib/nvidia-384/tls/libnvidia-tls.so.384.90
7f09454c7000-7f0945592000 r-xp 00000000 08:02 5508402                    /usr/lib/nvidia-384/libGLX_nvidia.so.384.90
7f0945592000-7f09455c6000 rwxp 000cb000 08:02 5508402                    /usr/lib/nvidia-384/libGLX_nvidia.so.384.90
7f09455c6000-7f09455da000 r-xp 000ff000 08:02 5508402                    /usr/lib/nvidia-384/libGLX_nvidia.so.384.90
7f09455da000-7f09457d9000 ---p 00113000 08:02 5508402                    /usr/lib/nvidia-384/libGLX_nvidia.so.384.90
7f09457d9000-7f0945802000 rw-p 00112000 08:02 5508402                    /usr/lib/nvidia-384/libGLX_nvidia.so.384.90
7f0945802000-7f0945809000 rw-p 00000000 00:00 0 
7f09458c2000-7f09458c3000 ---p 00000000 00:00 0 
7f09458c3000-7f09460c3000 rw-p 00000000 00:00 0 
7f09460c3000-7f09460c8000 r-xp 00000000 08:02 5121625                    /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7f09460c8000-7f09462c7000 ---p 00005000 08:02 5121625                    /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7f09462c7000-7f09462c8000 r--p 00004000 08:02 5121625                    /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7f09462c8000-7f09462c9000 rw-p 00005000 08:02 5121625                    /usr/lib/x86_64-linux-gnu/libXfixes.so.3.1.0
7f09462c9000-7f09462d2000 r-xp 00000000 08:02 5121645                    /usr/lib/x86_64-linux-gnu/libXrender.so.1.3.0
7f09462d2000-7f09464d1000 ---p 00009000 08:02 5121645                    /usr/lib/x86_64-linux-gnu/libXrender.so.1.3.0
7f09464d1000-7f09464d2000 r--p 00008000 08:02 5121645                    /usr/lib/x86_64-linux-gnu/libXrender.so.1.3.0
7f09464d2000-7f09464d3000 rw-p 00009000 08:02 5121645                    /usr/lib/x86_64-linux-gnu/libXr