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| author | Guido van Rossum <guido@python.org> | 2019-02-11 16:10:42 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-02-11 16:10:42 (GMT) |
| commit | 4b250fc1da9c893803cf724a4974450b5e10bd8a (patch) | |
| tree | e9ba9f9cb68b8271ff85146593dd98493d2661d2 /Python/ast.c | |
| parent | 537b6caa565ec2fc304ba6f4400cd347ce2af64b (diff) | |
| download | cpython-4b250fc1da9c893803cf724a4974450b5e10bd8a.zip cpython-4b250fc1da9c893803cf724a4974450b5e10bd8a.tar.gz cpython-4b250fc1da9c893803cf724a4974450b5e10bd8a.tar.bz2 | |
bpo-35766 follow-up: Add an error check to new_type_comment() (#11766)
If PyUnicode_DecodeUTF8() returns NULL, PyArena_AddPyObject() would crash.
Found by @msullivan for https://github.com/python/typed_ast/pull/93.
Diffstat (limited to 'Python/ast.c')
| -rw-r--r-- | Python/ast.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Python/ast.c b/Python/ast.c index 76588c3..5cef3fd 100644 --- a/Python/ast.c +++ b/Python/ast.c @@ -702,6 +702,8 @@ static string new_type_comment(const char *s, struct compiling *c) { PyObject *res = PyUnicode_DecodeUTF8(s, strlen(s), NULL); + if (res == NULL) + return NULL; if (PyArena_AddPyObject(c->c_arena, res) < 0) { Py_DECREF(res); return NULL; |