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GeezerVison is showing github.com — [3.9] bpo-46070: _PyGC_Fini() untracks objects (GH-30577) by vstinner · Pull Request #30580 · python/cpython

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@vstinner

@vstinner vstinner commented Jan 13, 2022 •
edited by bedevere-bot
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Py_EndInterpreter() now explicitly untracks all objects currently
tracked by the GC. Previously, if an object was used later by another
interpreter, calling PyObject_GC_UnTrack() on the object crashed if
the previous or the next object of the PyGC_Head structure became a
dangling pointer.

(cherry picked from commit 1a4d1c1)

https://bugs.python.org/issue46070

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@vstinner
bpo-46070: _PyGC_Fini() untracks objects (GH-30577)
2cc9e38 
Py_EndInterpreter() now explicitly untracks all objects currently
tracked by the GC. Previously, if an object was used later by another
interpreter, calling PyObject_GC_UnTrack() on the object crashed if
the previous or the next object of the PyGC_Head structure became a
dangling pointer.

(cherry picked from commit 1a4d1c1)
@vstinner
vstinner requested a review from pablogsal as a code owner January 13, 2022 18:30
@the-knights-who-say-ni the-knights-who-say-ni added the CLA signed label Jan 13, 2022
@bedevere-bot bedevere-bot added the awaiting core review label Jan 13, 2022
@vstinner vstinner mentioned this pull request Jan 13, 2022
[3.9] bpo-46070: _PyGC_Fini() untracks objects (GH-30577) #30579
Closed
@vstinner
vstinner merged commit 52937c2 into python:3.9 Jan 13, 2022
@bedevere-bot bedevere-bot removed the awaiting core review label Jan 13, 2022
@vstinner
vstinner deleted the gc_fini_untrack39 branch January 13, 2022 19:12
@graysky graysky mannequin mentioned this pull request Apr 10, 2022
[subinterpreters] crash when importing _sre in subinterpreters in parallel (Python 3.9 regression) #90228
Closed
heitbaum added a commit to heitbaum/LibreELEC.tv that referenced this pull request May 17, 2022
@heitbaum
Python3: update to 3.9.13
5c655c7 
release:
- https://www.python.org/downloads/release/python-3913/
changelog:
- https://docs.python.org/release/3.9.13/whatsnew/changelog.html

upstream fix for dropped patch
- python/cpython#80254
- python/cpython#11984
- python/cpython#90228
- python/cpython#92036
- python/cpython#92037
- python/cpython#92297
- bpo-36073
- was
  - python/cpython#30579
  - python/cpython#30580
@heitbaum heitbaum mentioned this pull request May 17, 2022
Python3: update to 3.9.13 LibreELEC/LibreELEC.tv#6494
Merged
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@pablogsal pablogsal Awaiting requested review from pablogsal pablogsal is a code owner

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3 participants

@vstinner @the-knights-who-say-ni @bedevere-bot
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