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gh-95756: Free and NULL-out code caches when needed (GH-98181)

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Ken Jin 2022-10-11 23:11:46 +08:00 committed by GitHub
parent 4067c6d7fe
commit 7ec2e279fe
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2 changed files with 3 additions and 0 deletions
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1
Objects/codeobject.c
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@ -2238,6 +2238,7 @@ _PyStaticCode_Dealloc(PyCodeObject *co)
Py_CLEAR(co->_co_cached->_co_freevars); Py_CLEAR(co->_co_cached->_co_freevars);
Py_CLEAR(co->_co_cached->_co_varnames); Py_CLEAR(co->_co_cached->_co_varnames);
PyMem_Free(co->_co_cached); PyMem_Free(co->_co_cached);
co->_co_cached = NULL;
} }
co->co_extra = NULL; co->co_extra = NULL;
if (co->co_weakreflist != NULL) { if (co->co_weakreflist != NULL) {

2
Objects/frameobject.c
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@ -651,6 +651,8 @@ add_load_fast_null_checks(PyCodeObject *co)
Py_CLEAR(co->_co_cached->_co_cellvars); Py_CLEAR(co->_co_cached->_co_cellvars);
Py_CLEAR(co->_co_cached->_co_freevars); Py_CLEAR(co->_co_cached->_co_freevars);
Py_CLEAR(co->_co_cached->_co_varnames); Py_CLEAR(co->_co_cached->_co_varnames);
PyMem_Free(co->_co_cached);
co->_co_cached = NULL;
} }
} }