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Crash on deleting Element attribute #69877
Description
| BPO | 25691 |
|---|---|
| Nosy | @scoder, @larryhastings, @vadmium, @serhiy-storchaka |
| Files |
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 2015-11-23.07:01:10.423>
created_at = <Date 2015-11-21.17:04:39.640>
labels = ['extension-modules', 'type-crash']
title = 'Crash on deleting Element attribute'
updated_at = <Date 2015-11-23.07:28:15.898>
user = 'https://github.com/serhiy-storchaka'bugs.python.org fields:
activity = <Date 2015-11-23.07:28:15.898>
actor = 'larry'
assignee = 'none'
closed = True
closed_date = <Date 2015-11-23.07:01:10.423>
closer = 'serhiy.storchaka'
components = ['Extension Modules']
creation = <Date 2015-11-21.17:04:39.640>
creator = 'serhiy.storchaka'
dependencies = []
files = ['41114']
hgrepos = []
issue_num = 25691
keywords = ['patch']
message_count = 5.0
messages = ['255063', '255125', '255129', '255132', '255134']
nosy_count = 6.0
nosy_names = ['scoder', 'larry', 'eli.bendersky', 'python-dev', 'martin.panter', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue25691'
versions = ['Python 3.3', 'Python 3.4', 'Python 3.5']
Activity
serhiy-storchaka commented on Nov 21, 2015
Proposed patch fixes the crash.
vadmium commented on Nov 23, 2015
The patch looks good to me.
This may be a side effect of poor documentation. I guess the documentation at <https://docs.python.org/dev/c-api/typeobj.html#c.PyTypeObject.tp_setattro\> and/or the referenced functions should mention that the they also delete attributes when the name argument is null.
python-dev commented on Nov 23, 2015
New changeset 852c9ed9115c by Serhiy Storchaka in branch '3.4':
Issue bpo-25691: Fixed crash on deleting ElementTree.Element attributes.
https://hg.python.org/cpython/rev/852c9ed9115c
New changeset 3a44f06907f1 by Serhiy Storchaka in branch '3.5':
Issue bpo-25691: Fixed crash on deleting ElementTree.Element attributes.
https://hg.python.org/cpython/rev/3a44f06907f1
New changeset 936fcd0ba6b1 by Serhiy Storchaka in branch 'default':
Issue bpo-25691: Fixed crash on deleting ElementTree.Element attributes.
https://hg.python.org/cpython/rev/936fcd0ba6b1
New changeset e3dea2e4f93d by Serhiy Storchaka in branch '2.7':
Issue bpo-25691: Added tests on deleting cElementTree.Element attributes.
https://hg.python.org/cpython/rev/e3dea2e4f93d
serhiy-storchaka commented on Nov 23, 2015
Thank you for your review Martin. Opened bpo-25701 for documenting.
Interestingly, 2.7 is free from this bug. It has a check for NULL.
larryhastings commented on Nov 23, 2015
This change didn't make it into 3.5.1. It will be released with 3.5.2. I've already updated the Misc/NEWS entry.