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| author | Serhiy Storchaka <storchaka@gmail.com> | 2018-02-02 14:29:02 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-02-02 14:29:02 (GMT) |
| commit | b7a2c17be8411bc4c7a2babdc650074c14204aa8 (patch) | |
| tree | e3816d8aa190bb23b8fa362deeb36153f05e9369 /Objects/object.c | |
| parent | b60f43a0e6052b29517931eea591b0b29903f382 (diff) | |
| download | cpython-b7a2c17be8411bc4c7a2babdc650074c14204aa8.zip cpython-b7a2c17be8411bc4c7a2babdc650074c14204aa8.tar.gz cpython-b7a2c17be8411bc4c7a2babdc650074c14204aa8.tar.bz2 | |
[2.7] bpo-32137: The repr of deeply nested dict now raises a RuntimeError (GH-4570) (#5493)
instead of crashing due to a stack overflow.
This perhaps will fix similar problems in other extension types.
(cherry picked from commit 1fb72d2ad243c965d4432b4e93884064001a2607)
Diffstat (limited to 'Objects/object.c')
| -rw-r--r-- | Objects/object.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Objects/object.c b/Objects/object.c index 7a28218..65366b0 100644 --- a/Objects/object.c +++ b/Objects/object.c @@ -378,7 +378,12 @@ PyObject_Repr(PyObject *v) Py_TYPE(v)->tp_name, v); else { PyObject *res; + /* It is possible for a type to have a tp_repr representation that + loops infinitely. */ + if (Py_EnterRecursiveCall(" while getting the repr of an object")) + return NULL; res = (*Py_TYPE(v)->tp_repr)(v); + Py_LeaveRecursiveCall(); if (res == NULL) return NULL; #ifdef Py_USING_UNICODE |