ctypes callback with structure crashes in Python 3.8 on Windows x86

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-06-18.09:26:16.751>
labels = ['3.8', 'type-crash', '3.10', 'ctypes', 'OS-windows', '3.9']
title = 'ctypes callback with structure crashes in Python 3.8 on Windows x86'
updated_at = <Date 2022-02-07.17:22:23.797>
user = 'https://github.com/itsgk92'

bugs.python.org fields:

activity = <Date 2022-02-07.17:22:23.797>
actor = 'steve.dower'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Windows', 'ctypes']
creation = <Date 2020-06-18.09:26:16.751>
creator = 'itsgk92'
dependencies = []
files = ['49253']
hgrepos = []
issue_num = 41021
keywords = []
message_count = 8.0
messages = ['371796', '371844', '371851', '371920', '402695', '403035', '412729', '412771']
nosy_count = 11.0
nosy_names = ['paul.moore', 'vinay.sajip', 'amaury.forgeotdarc', 'belopolsky', 'tim.golden', 'meador.inge', 'zach.ware', 'eryksun', 'steve.dower', 'itsgk92', 'xs_iceman']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'test needed'
status = 'open'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue41021'
versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']