Issue 35371: Fix undefined behavior in os.utime() on Windows [proxy]

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Issue35371

classification

Title:	Fix undefined behavior in os.utime() on Windows
Type:	crash	Stage:	resolved
Components:	Extension Modules	Versions:	Python 3.8, Python 3.7, Python 3.6

process

Status:	closed	Resolution:	fixed
Dependencies:		Superseder:
Assigned To:	serhiy.storchaka	Nosy List:	miss-islington, serhiy.storchaka
Priority:	normal	Keywords:	patch

Created on 2018-12-01 11:42 by serhiy.storchaka, last changed 2018-12-01 18:10 by serhiy.storchaka. This issue is now closed.

Messages (4)
msg330850 - (view)	Author: Serhiy Storchaka (serhiy.storchaka) *	Date: 2018-12-01 11:42
The hFile variable is used uninitialized in os.utime() on Windows when an error is raised in arguments parsing. This is an undefined behavior, and can cause a crash.
msg330851 - (view)	Author: Serhiy Storchaka (serhiy.storchaka) *	Date: 2018-12-01 12:30
New changeset 32bc11c33cf5ccea165b5f4ac3799f02fdf9c76a by Serhiy Storchaka in branch 'master': bpo-35371: Fix possible crash in os.utime() on Windows. (GH-10844) https://github.com/python/cpython/commit/32bc11c33cf5ccea165b5f4ac3799f02fdf9c76a
msg330852 - (view)	Author: miss-islington (miss-islington)	Date: 2018-12-01 12:52
New changeset 265b41996aa3f604624a8046d1c314a1aee4b590 by Miss Islington (bot) in branch '3.7': bpo-35371: Fix possible crash in os.utime() on Windows. (GH-10844) https://github.com/python/cpython/commit/265b41996aa3f604624a8046d1c314a1aee4b590
msg330853 - (view)	Author: miss-islington (miss-islington)	Date: 2018-12-01 12:53
New changeset 013832ff964a0b3b59e04a07a33bae65c1c3ae84 by Miss Islington (bot) in branch '3.6': bpo-35371: Fix possible crash in os.utime() on Windows. (GH-10844) https://github.com/python/cpython/commit/013832ff964a0b3b59e04a07a33bae65c1c3ae84

History
Date	User	Action	Args
2018-12-01 18:10:31	serhiy.storchaka	set	status: open -> closed resolution: fixed stage: patch review -> resolved
2018-12-01 12:53:39	miss-islington	set	messages: + msg330853
2018-12-01 12:52:06	miss-islington	set	nosy: + miss-islington messages: + msg330852
2018-12-01 12:30:45	miss-islington	set	pull_requests: + pull_request10081
2018-12-01 12:30:34	miss-islington	set	pull_requests: + pull_request10080
2018-12-01 12:30:22	serhiy.storchaka	set	messages: + msg330851
2018-12-01 11:46:22	serhiy.storchaka	set	keywords: + patch stage: patch review pull_requests: + pull_request10079
2018-12-01 11:42:08	serhiy.storchaka	create