Callers of _Py_fopen/_Py_wfopen may be broken after addition of audit hooks

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-12-04.16:12:33.309>
labels = ['interpreter-core', 'type-bug', '3.8', '3.9', '3.10']
title = 'Callers of _Py_fopen/_Py_wfopen may be broken after addition of audit hooks'
updated_at = <Date 2020-12-09.00:22:36.566>
user = 'https://github.com/izbyshev'

bugs.python.org fields:

activity = <Date 2020-12-09.00:22:36.566>
actor = 'izbyshev'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2020-12-04.16:12:33.309>
creator = 'izbyshev'
dependencies = []
files = []
hgrepos = []
issue_num = 42569
keywords = []
message_count = 11.0
messages = ['382499', '382507', '382508', '382513', '382521', '382540', '382549', '382589', '382658', '382777', '382779']
nosy_count = 4.0
nosy_names = ['vstinner', 'eryksun', 'steve.dower', 'izbyshev']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue42569'
versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']