In some cases asyncio.wait_for can lead to socket leak.

NikitaIlyasov

BPO	37658
Nosy	@ods, @asvetlov, @cjerdonek, @elprans, @ambv, @1st1, @miss-islington, @Dreamsorcerer, @aaliddell, @kumaraditya303
PRs	bpo-37658: Fix asyncio.wait_for() to respect waited task status #21894 [3.9] bpo-37658: Fix asyncio.wait_for() to respect waited task status (GH-21894) #21964 [3.8] bpo-37658: Fix asyncio.wait_for() to respect waited task status (GH-21894) #21965 [3.7] bpo-37658: Fix asyncio.wait_for() to respect waited task status (GH-21894) #21969 bpo-42130: Fix swallowing of cancellation by wait_for #26097 bpo-37658: Actually return result in race condition #29202 [3.9] bpo-37658: Actually return result in race condition (GH-29202) #29832 [3.10] bpo-37658: Actually return result in race condition (GH-29202) #29831
Files	example.py: script that can reproduce the problem ssl_circular_refs.png

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-07-23.12:16:17.363>
labels = ['expert-asyncio', '3.7', 'performance']
title = 'In some cases asyncio.wait_for can lead to socket leak.'
updated_at = <Date 2022-03-11.17:35:41.865>
user = 'https://bugs.python.org/NikitaIlyasov'

bugs.python.org fields:

activity = <Date 2022-03-11.17:35:41.865>
actor = 'dreamsorcerer'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['asyncio']
creation = <Date 2019-07-23.12:16:17.363>
creator = 'Nikita Ilyasov'
dependencies = []
files = ['48500', '50061']
hgrepos = []
issue_num = 37658
keywords = ['patch']
message_count = 18.0
messages = ['348328', '348329', '375937', '375942', '375947', '379542', '393566', '393567', '393584', '393586', '393687', '394249', '404998', '407248', '407252', '407373', '414797', '414925']
nosy_count = 12.0
nosy_names = ['ods', 'asvetlov', 'chris.jerdonek', 'Elvis.Pranskevichus', 'lukasz.langa', 'yselivanov', 'miss-islington', 'Nikita Ilyasov', 'dreamsorcerer', 'aaliddell', 'nmatravolgyi', 'kumaraditya']
pr_nums = ['21894', '21964', '21965', '21969', '26097', '29202', '29832', '29831']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'resource usage'
url = 'https://bugs.python.org/issue37658'
versions = ['Python 3.6', 'Python 3.7']