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Integer overflow in __reduce__ of the range iterator #89193

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serhiy-storchaka opened this issue Aug 27, 2021 · 4 comments
Closed

Integer overflow in __reduce__ of the range iterator #89193

serhiy-storchaka opened this issue Aug 27, 2021 · 4 comments
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3.9 only security fixes 3.10 only security fixes 3.11 only security fixes stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error

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@serhiy-storchaka
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BPO 45030
Nosy @rhettinger, @serhiy-storchaka, @miss-islington
PRs
  • bpo-45030: Fix integer overflow in __reduce__ of the range iterator #28000
  • [3.10] bpo-45030: Fix integer overflow in __reduce__ of the range iterator (GH-28000) #28160
  • [3.9] bpo-45030: Fix integer overflow in __reduce__ of the range iterator (GH-28000) #28161
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    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 = <Date 2021-09-04.20:40:18.878>
created_at = <Date 2021-08-27.14:47:06.991>
labels = ['type-bug', 'library', '3.9', '3.10', '3.11']
title = 'Integer overflow in __reduce__ of the range iterator'
updated_at = <Date 2021-09-04.20:40:18.878>
user = 'https://github.com/serhiy-storchaka'

    bugs.python.org fields:

    activity = <Date 2021-09-04.20:40:18.878>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = True
closed_date = <Date 2021-09-04.20:40:18.878>
closer = 'serhiy.storchaka'
components = ['Library (Lib)']
creation = <Date 2021-08-27.14:47:06.991>
creator = 'serhiy.storchaka'
dependencies = []
files = []
hgrepos = []
issue_num = 45030
keywords = ['patch']
message_count = 4.0
messages = ['400428', '401051', '401058', '401059']
nosy_count = 3.0
nosy_names = ['rhettinger', 'serhiy.storchaka', 'miss-islington']
pr_nums = ['28000', '28160', '28161']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue45030'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']
    @serhiy-storchaka
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    >>> it = iter(range(2**63-10, 2**63-1, 10))
>>> it.__reduce__()
(<built-in function iter>, (range(9223372036854775798, -9223372036854775808, 10),), 0)
>>> import pickle
>>> it2 = pickle.loads(pickle.dumps(it))
>>> list(it)
[9223372036854775798]
>>> list(it2)
[]

    @serhiy-storchaka serhiy-storchaka added 3.9 only security fixes 3.10 only security fixes 3.11 only security fixes stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error labels Aug 27, 2021
    @serhiy-storchaka
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    New changeset 936f6a1 by Serhiy Storchaka in branch 'main':
    bpo-45030: Fix integer overflow in __reduce__ of the range iterator (GH-28000)
    936f6a1

    @miss-islington
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    New changeset ed9f927 by Miss Islington (bot) in branch '3.10':
    bpo-45030: Fix integer overflow in __reduce__ of the range iterator (GH-28000)
    ed9f927

    @miss-islington
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    New changeset fecd17f by Miss Islington (bot) in branch '3.9':
    bpo-45030: Fix integer overflow in __reduce__ of the range iterator (GH-28000)
    fecd17f

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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