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| author | Dong-hee Na <donghee.na92@gmail.com> | 2020-05-04 17:30:42 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-04 17:30:42 (GMT) |
| commit | 785f5e6d674306052bf865677d885c30561985ae (patch) | |
| tree | 5b3ef3b8047eda870a6c241ca081347950ce4a12 /Lib/test | |
| parent | caa3ef284a2e5e5b9bdd6a9e619804122c842d80 (diff) | |
| download | cpython-785f5e6d674306052bf865677d885c30561985ae.zip cpython-785f5e6d674306052bf865677d885c30561985ae.tar.gz cpython-785f5e6d674306052bf865677d885c30561985ae.tar.bz2 | |
bpo-40489: Add test case for dict contain use after free (GH-19906)
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_dict.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_dict.py b/Lib/test/test_dict.py index d5a3d9e..6b8596f 100644 --- a/Lib/test/test_dict.py +++ b/Lib/test/test_dict.py @@ -1324,6 +1324,19 @@ class DictTest(unittest.TestCase): d = {0: set()} (0, X()) in d.items() + def test_dict_contain_use_after_free(self): + # bpo-40489 + class S(str): + def __eq__(self, other): + d.clear() + return NotImplemented + + def __hash__(self): + return hash('test') + + d = {S(): 'value'} + self.assertFalse('test' in d) + def test_init_use_after_free(self): class X: def __hash__(self): |