diff --git a/Lib/test/test_import/__init__.py b/Lib/test/test_import/__init__.py index f2726da203e..e0e2354ae2f 100644 --- a/Lib/test/test_import/__init__.py +++ b/Lib/test/test_import/__init__.py @@ -23,6 +23,7 @@ import types import unittest from unittest import mock import _testinternalcapi +import _imp from test.support import os_helper from test.support import ( @@ -763,6 +764,13 @@ class ImportTests(unittest.TestCase): env=env, cwd=os.path.dirname(pyexe)) + def test_issue105979(self): + # this used to crash + with self.assertRaises(ImportError) as cm: + _imp.get_frozen_object("x", b"6\'\xd5Cu\x12") + self.assertIn("Frozen object named 'x' is invalid", + str(cm.exception)) + @skip_if_dont_write_bytecode class FilePermissionTests(unittest.TestCase): diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-06-22-19-16-24.gh-issue-105979.TDP2CU.rst b/Misc/NEWS.d/next/Core and Builtins/2023-06-22-19-16-24.gh-issue-105979.TDP2CU.rst new file mode 100644 index 00000000000..be6962afd0c --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2023-06-22-19-16-24.gh-issue-105979.TDP2CU.rst @@ -0,0 +1 @@ +Fix crash in :func:`!_imp.get_frozen_object` due to improper exception handling. diff --git a/Python/import.c b/Python/import.c index 969902afea1..9b1ad87b84f 100644 --- a/Python/import.c +++ b/Python/import.c @@ -2071,6 +2071,7 @@ unmarshal_frozen_code(PyInterpreterState *interp, struct frozen_info *info) PyObject *co = PyMarshal_ReadObjectFromString(info->data, info->size); if (co == NULL) { /* Does not contain executable code. */ + PyErr_Clear(); set_frozen_error(FROZEN_INVALID, info->nameobj); return NULL; }