gh-126238: Fix possible null pointer dereference of freevars in _PyCo…

…mpile_LookupArg (#126239) * Replace Py_DECREF by Py_XDECREF Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> Co-authored-by: Peter Bierma <[email protected]>
python · Nov 5, 2024 · 8525c93 · 8525c93
1 parent 0b67ce9
commit 8525c93
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Python/compile.c b/Python/compile.c
@@ -901,7 +901,7 @@ _PyCompile_LookupArg(compiler *c, PyCodeObject *co, PyObject *name)
             c->u->u_metadata.u_name,
             co->co_name,
             freevars);
-        Py_DECREF(freevars);
+        Py_XDECREF(freevars);
         return ERROR;
     }
     return arg;