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

python · Oct 11, 2022 · 7ec2e27 · 7ec2e27
1 parent 4067c6d
commit 7ec2e27
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Showing 2 changed files with 3 additions and 0 deletions.
diff --git a/Objects/codeobject.c b/Objects/codeobject.c
@@ -2238,6 +2238,7 @@ _PyStaticCode_Dealloc(PyCodeObject *co)
         Py_CLEAR(co->_co_cached->_co_freevars);
         Py_CLEAR(co->_co_cached->_co_varnames);
         PyMem_Free(co->_co_cached);
+        co->_co_cached = NULL;
     }
     co->co_extra = NULL;
     if (co->co_weakreflist != NULL) {

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