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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2024-06-11 07:28:45 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-06-11 07:28:45 (GMT) |
| commit | 52225c64f7cd55f2bfe8515d4daf1a5ed4be6d7b (patch) | |
| tree | a2ac89998c6c0baccb97dd71faa0442906fd77cb /Lib/test | |
| parent | 81eae217335fc66bec343b9f11f1b68fe85667bf (diff) | |
| download | cpython-52225c64f7cd55f2bfe8515d4daf1a5ed4be6d7b.zip cpython-52225c64f7cd55f2bfe8515d4daf1a5ed4be6d7b.tar.gz cpython-52225c64f7cd55f2bfe8515d4daf1a5ed4be6d7b.tar.bz2 | |
[3.13] gh-120298: Fix use-after-free in `list_richcompare_impl` (GH-120303) (#120340)
gh-120298: Fix use-after-free in `list_richcompare_impl` (GH-120303)
(cherry picked from commit 141babad9b4eceb83371bf19ba3a36b50dd05250)
Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_list.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_list.py b/Lib/test/test_list.py index 0601b33..d21429f 100644 --- a/Lib/test/test_list.py +++ b/Lib/test/test_list.py @@ -234,6 +234,17 @@ class ListTest(list_tests.CommonTest): list4 = [1] self.assertFalse(list3 == list4) + def test_lt_operator_modifying_operand(self): + # See gh-120298 + class evil: + def __lt__(self, other): + other.clear() + return NotImplemented + + a = [[evil()]] + with self.assertRaises(TypeError): + a[0] < a + @cpython_only def test_preallocation(self): iterable = [0] * 10 |