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< test.support > check_free_after_iterating( ) causes core dump in handling iteration. #87356
Description
| BPO | 43190 |
|---|---|
| Nosy | @terryjreedy, @markshannon, @iritkatriel, @CharlesFengY |
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 2021-03-02.11:53:50.561>
created_at = <Date 2021-02-10.09:48:57.985>
labels = ['library', '3.9', 'type-crash']
title = '< test.support > check_free_after_iterating( ) causes core dump in handling iteration.'
updated_at = <Date 2021-03-02.11:53:50.560>
user = 'https://github.com/CharlesFengY'bugs.python.org fields:
activity = <Date 2021-03-02.11:53:50.560>
actor = 'Mark.Shannon'
assignee = 'none'
closed = True
closed_date = <Date 2021-03-02.11:53:50.561>
closer = 'Mark.Shannon'
components = ['Library (Lib)']
creation = <Date 2021-02-10.09:48:57.985>
creator = 'CharlesFengY'
dependencies = []
files = []
hgrepos = []
issue_num = 43190
keywords = []
message_count = 4.0
messages = ['386768', '386784', '386909', '387920']
nosy_count = 4.0
nosy_names = ['terry.reedy', 'Mark.Shannon', 'iritkatriel', 'CharlesFengY']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue43190'
versions = ['Python 3.9']
Activity
CharlesFengY commentedon Feb 10, 2021
In the following program, we call check_free_after_iterating( ) twice, in the second time, we recursively call function test_free_after_iterating(). Python interpreter crashes.
+++++++++++++++++++++++++++++++++++++++++++
import unittest
import test.support
System Info: Ubuntu 16.04
Python Version: Python 3.9.1
iritkatriel commentedon Feb 10, 2021
This looks similar to 43185.
terryjreedy commentedon Feb 13, 2021
I suspect this is another duplicate of bpo-43185
markshannon commentedon Mar 2, 2021
On 3.10a, this raises a RecursionOverflow