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[3.11] gh-109216: Fix possible memory leak in BUILD_MAP (#109323)

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* [3.11] gh-109216: Fix possible memory leak in `BUILD_MAP`

* Add NEWS

* Update Python/ceval.c

Co-authored-by: Kumar Aditya <kumaraditya@python.org>

---------

Co-authored-by: Kumar Aditya <kumaraditya@python.org>
This commit is contained in:
Nikita Sobolev 2023-10-12 15:52:03 +03:00 • committed by GitHub
parent c9214b90f4
commit e16922f070
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2 changed files with 5 additions and 2 deletions
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5
Python/ceval.c
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@ -3318,13 +3318,14 @@ handle_eval_breaker:
&PEEK(2*oparg), 2,
&PEEK(2*oparg - 1), 2,
oparg);
if (map == NULL)
goto error;
while (oparg--) {
Py_DECREF(POP());
Py_DECREF(POP());
}
if (map == NULL) {
goto error;
}
PUSH(map);
DISPATCH();
}