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| author | Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2023-07-08 08:12:33 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-07-08 08:12:33 (GMT) |
| commit | 8fdb0587935b66c3942c1740ab5e387b2ea415bb (patch) | |
| tree | 0dc658182f74225d130ad393eb4d29d357b141f1 /Lib/test | |
| parent | 2ade2fc148fb25a0306d5b14f705396d98c8b926 (diff) | |
| download | cpython-8fdb0587935b66c3942c1740ab5e387b2ea415bb.zip cpython-8fdb0587935b66c3942c1740ab5e387b2ea415bb.tar.gz cpython-8fdb0587935b66c3942c1740ab5e387b2ea415bb.tar.bz2 | |
[3.12] gh-106524: Fix a crash in _sre.template() (GH-106525) (GH-106544)
Some items remained uninitialized if _sre.template() was called with invalid
indices. Then attempt to clear them in the destructor led to dereferencing
of uninitialized pointer.
(cherry picked from commit 2ef1dc37f02b08536b677dd23ec51541a60effd7)
Co-authored-by: Radislav Chugunov <52372310+chgnrdv@users.noreply.github.com>
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_re.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py index 11628a2..a05a1c9 100644 --- a/Lib/test/test_re.py +++ b/Lib/test/test_re.py @@ -2441,6 +2441,16 @@ class ReTests(unittest.TestCase): p.terminate() p.join() + def test_sre_template_invalid_group_index(self): + # see gh-106524 + import _sre + with self.assertRaises(TypeError) as cm: + _sre.template("", ["", -1, ""]) + self.assertIn("invalid template", str(cm.exception)) + with self.assertRaises(TypeError) as cm: + _sre.template("", ["", (), ""]) + self.assertIn("an integer is required", str(cm.exception)) + def get_debug_out(pat): with captured_stdout() as out: |