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test_interpreters fails when running with -R 3:3 argument #116099
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Bug report
Bug description:
./python.exe -m test -R 3:3 test_interpreters
Using random seed: 922541786
0:00:00 load avg: 2.79 Run 1 test sequentially
0:00:00 load avg: 2.79 [1/1] test_interpreters
beginning 6 repetitions. Showing number of leaks (. for 0 or less, X for 10 or more)
123:456
XX. .../Include/object.h:1030: _Py_NegativeRefcount: Assertion failed: object has negative ref count
<object at 0x104847bc0 is freed>
Fatal Python error: _PyObject_AssertFailed: _PyObject_AssertFailed
Python runtime state: initialized
Current thread 0x00000001e11dd000 (most recent call first):
<no Python frame>
Extension modules: _xxsubinterpreters, _xxinterpqueues (total: 2)
zsh: abort ./python.exe -m test -R 3:3 test_interpretersCPython versions tested on:
CPython main branch
Operating systems tested on:
macOS
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Eclips4 commentedon Feb 29, 2024
Bisected to e80abd5
cc @ericsnowcurrently
swtaarrs commentedon Feb 29, 2024
@colesbury figured out that it's caused by this code decrefing
qidobjtoo many times.@ericsnowcurrently, I'm preparing a PR for this but let me know if you were already working on it.
ericsnowcurrently commentedon Feb 29, 2024
@swtaarrs I'll gladly review your PR. Thanks for taking care of it!
What's your ETA? Per #76785 (comment), @encukou may revert gh-115566 within the next few hours.
swtaarrs commentedon Feb 29, 2024
The PR should be posted within a few minutes.
gh-116099: Fix refcounting bug in `_queueobj_shared()` (gh-116164)
pythongh-116099: Fix refcounting bug in `_queueobj_shared()` (pythong…
pythongh-116099: Fix refcounting bug in `_queueobj_shared()` (pythong…
pythongh-116099: Fix refcounting bug in `_queueobj_shared()` (pythong…