The python interpreter crashed with "_enter_buffered_busy"

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-12-22.10:25:03.254>
labels = ['interpreter-core', '3.10', 'type-crash']
title = 'The python interpreter crashed with "_enter_buffered_busy"'
updated_at = <Date 2021-01-18.11:40:55.491>
user = 'https://bugs.python.org/xxm'

bugs.python.org fields:

activity = <Date 2021-01-18.11:40:55.491>
actor = 'Mark.Shannon'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2020-12-22.10:25:03.254>
creator = 'xxm'
dependencies = []
files = []
hgrepos = []
issue_num = 42717
keywords = []
message_count = 9.0
messages = ['383582', '383609', '383628', '383913', '383953', '384007', '384045', '385172', '385191']
nosy_count = 3.0
nosy_names = ['Mark.Shannon', 'xxm', 'stestagg']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue42717'
versions = ['Python 3.10']