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A possible null pointer dereference in compile.c's merge_consts_recursive() #80555

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ZackerySpytz mannequin opened this issue Mar 19, 2019 · 2 comments
Closed

A possible null pointer dereference in compile.c's merge_consts_recursive() #80555

ZackerySpytz mannequin opened this issue Mar 19, 2019 · 2 comments
Labels
3.8 only security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) type-crash A hard crash of the interpreter, possibly with a core dump

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@ZackerySpytz
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ZackerySpytz mannequin commented Mar 19, 2019

BPO 36374
Nosy @methane, @ZackerySpytz, @miss-islington
PRs
  • bpo-36374: Fix a possible null pointer dereference #12449
    		•

    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 2019-03-20.09:18:50.115>
created_at = <Date 2019-03-19.21:45:28.738>
labels = ['interpreter-core', '3.8', 'type-crash']
title = "A possible null pointer dereference in compile.c's merge_consts_recursive()"
updated_at = <Date 2019-03-20.09:18:50.114>
user = 'https://github.com/ZackerySpytz'

    bugs.python.org fields:

    activity = <Date 2019-03-20.09:18:50.114>
actor = 'methane'
assignee = 'none'
closed = True
closed_date = <Date 2019-03-20.09:18:50.115>
closer = 'methane'
components = ['Interpreter Core']
creation = <Date 2019-03-19.21:45:28.738>
creator = 'ZackerySpytz'
dependencies = []
files = []
hgrepos = []
issue_num = 36374
keywords = ['patch']
message_count = 2.0
messages = ['338411', '338444']
nosy_count = 3.0
nosy_names = ['methane', 'ZackerySpytz', 'miss-islington']
pr_nums = ['12449']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue36374'
versions = ['Python 3.8']
    @ZackerySpytz
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    ZackerySpytz mannequin commented Mar 19, 2019

    If PyDict_SetDefault() fails in merge_consts_recursive(), Py_INCREF() will be called on a null pointer.

    @ZackerySpytz ZackerySpytz mannequin added 3.8 only security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) type-crash A hard crash of the interpreter, possibly with a core dump labels Mar 19, 2019
    @miss-islington
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    New changeset 9b4a1b1 by Miss Islington (bot) (Zackery Spytz) in branch 'master':
    bpo-36374: Fix a possible null pointer dereference (GH-12449)
    9b4a1b1

    @methane methane closed this as completed Mar 20, 2019
    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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    3.8 only security fixes interpreter-core (Objects, Python, Grammar, and Parser dirs) type-crash A hard crash of the interpreter, possibly with a core dump
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    @methane @miss-islington