after endResetModel() HeaderView call headerData() even if row and column numbers are zero

In my implementation of QAbstractTableModel I have a slot that, when receiving the connected signal, resets the model by calling beginResetModel() and endResetModel().

The model is viewed with a QTableView.

When resetting the model, the number of columns and rows can change.

If i use default horizontal and vertical headers the table view is updated without problems.

If I manually set headers (even a simple instance of QHeaderView w/o any modification) the behavior depends on the order I set horizontal and vertical header.

If I set before the horizontal header and then the vertical, my app crashes when moving from a model that has a larger number of rows. Viceversa I don't have problems. It crashes because headerData() is called with a section number greater than the row count, accessing a list beyond boundary.

By looking at the stack trace I think that this is because the section count of vertical header is not updated when the reset method of the horizontal header is executed.

I didn't investigate why when moving from a model with a larger number of columns and headers set in the opposite way this problem doesn't occur.