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| author | Benjamin Peterson <benjamin@python.org> | 2015-07-02 21:18:38 (GMT) |
|---|---|---|
| committer | Benjamin Peterson <benjamin@python.org> | 2015-07-02 21:18:38 (GMT) |
| commit | 80f78a3efcd0836c4495a833fc24ef20d9ba19b2 (patch) | |
| tree | 71d3f2437304704a76040c7c0d0490b804abbfe7 /Lib/test/pickletester.py | |
| parent | b7a688b3a40705ab4f7f7035d40ec026899c7052 (diff) | |
| download | cpython-80f78a3efcd0836c4495a833fc24ef20d9ba19b2.zip cpython-80f78a3efcd0836c4495a833fc24ef20d9ba19b2.tar.gz cpython-80f78a3efcd0836c4495a833fc24ef20d9ba19b2.tar.bz2 | |
fix use after free (closes #24552)
Diffstat (limited to 'Lib/test/pickletester.py')
| -rw-r--r-- | Lib/test/pickletester.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py index 2c496d0..1682ab1 100644 --- a/Lib/test/pickletester.py +++ b/Lib/test/pickletester.py @@ -1039,6 +1039,18 @@ class AbstractPickleTests(unittest.TestCase): self.assertEqual(B(x), B(y), detail) self.assertEqual(x.__dict__, y.__dict__, detail) + def test_newobj_not_class(self): + # Issue 24552 + global SimpleNewObj + save = SimpleNewObj + o = object.__new__(SimpleNewObj) + b = self.dumps(o, 4) + try: + SimpleNewObj = 42 + self.assertRaises((TypeError, pickle.UnpicklingError), self.loads, b) + finally: + SimpleNewObj = save + # Register a type with copyreg, with extension code extcode. Pickle # an object of that type. Check that the resulting pickle uses opcode # (EXT[124]) under proto 2, and not in proto 1. |