Python binding errors

[rvalue]

Expected behaviour

When trackbar is created using a callback function, and the trackbar is used, the callback function is called

Actual behaviour

When trackbar is created using a callback function, and the trackbar is used, program outputs a segfault and terminates.

$ python trackbar.py
Scale: 10
[1]    2896 segmentation fault  python trackbar.py

See Also: https://gist.github.com/rvalue/85247541e298fb01451c5679c3bb8a45

Steps to reproduce

• example code
• operating system = macOS Monterey 12.4
• architecture = arm64 (M1 Apple Silicon)
• opencv-python version = 4.6.0.66

Issue submission checklist

• This is not a generic OpenCV usage question (looking for help for coding, other usage questions, homework etc.)
• I have read the README of this repository and understand that this repository provides only an automated build toolchain for OpenCV Python packages (there is no actual OpenCV code here)
• The issue is related to the build scripts in this repository, to the pre-built binaries or is a feature request (such as "please enable this additional dependency")
• I'm using the latest version of opencv-python

[rvalue]

Moreover, there does not seem to be any problem when purely in C++. The following program gives no error with OpenCV 4.6.0

#include <iostream>
#include <opencv2/opencv.hpp>

using namespace cv;
using namespace std;

static void on_trackbar(int, void*);

const auto WINDOW_NAME = "Trackbar Example";
const auto TRACKBAR_NAME = "Scale";

int main() {
    auto image = Mat(Size(500, 500), CV_8UC3, Scalar(0, 0, 0));
    auto slider_value = 0;
    auto slider_max = 100;

    namedWindow(WINDOW_NAME, WINDOW_NORMAL);
    createTrackbar(TRACKBAR_NAME, WINDOW_NAME, &slider_value, slider_max, on_trackbar);
    imshow(WINDOW_NAME, image);
    waitKey(0);
    return 0;
}

static void on_trackbar(int pos, void* userdata) {
    cout << "Pos: " << pos << endl;
}