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| author | Pablo Galindo Salgado <Pablogsal@gmail.com> | 2021-12-20 15:43:26 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-12-20 15:43:26 (GMT) |
| commit | e9898bf153d26059261ffef11f7643ae991e2a4c (patch) | |
| tree | 07923519cbb9265c39c1d7139ae725b4db7ac586 /Lib/test/test_syntax.py | |
| parent | 6ca78affc8023bc5023189d64d8050857662042a (diff) | |
| download | cpython-e9898bf153d26059261ffef11f7643ae991e2a4c.zip cpython-e9898bf153d26059261ffef11f7643ae991e2a4c.tar.gz cpython-e9898bf153d26059261ffef11f7643ae991e2a4c.tar.bz2 | |
bpo-46110: Add a recursion check to avoid stack overflow in the PEG parser (GH-30177)
Co-authored-by: Batuhan Taskaya <isidentical@gmail.com>
Diffstat (limited to 'Lib/test/test_syntax.py')
| -rw-r--r-- | Lib/test/test_syntax.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_syntax.py b/Lib/test/test_syntax.py index 6286529..c95bc15 100644 --- a/Lib/test/test_syntax.py +++ b/Lib/test/test_syntax.py @@ -1729,6 +1729,14 @@ while 1: """ self._check_error(source, "too many statically nested blocks") + @support.cpython_only + def test_error_on_parser_stack_overflow(self): + source = "-" * 100000 + "4" + for mode in ["exec", "eval", "single"]: + with self.subTest(mode=mode): + with self.assertRaises(MemoryError): + compile(source, "<string>", mode) + def load_tests(loader, tests, pattern): tests.addTest(doctest.DocTestSuite()) |