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| author | Zackery Spytz <zspytz@gmail.com> | 2018-12-05 18:29:20 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2018-12-05 18:29:20 (GMT) |
| commit | 25d389789c59a52a31770f7c50ce9e02a8909190 (patch) | |
| tree | e51c7698227b8a3b3b135345ec110dcfd7f4acfe /Modules/_pickle.c | |
| parent | 5b25f1d03100e2283c1b129d461ba68ac0169a14 (diff) | |
| download | cpython-25d389789c59a52a31770f7c50ce9e02a8909190.zip cpython-25d389789c59a52a31770f7c50ce9e02a8909190.tar.gz cpython-25d389789c59a52a31770f7c50ce9e02a8909190.tar.bz2 | |
bpo-34987: Fix a possible null pointer dereference in _pickle.c's save_reduce(). (GH-9886)
Diffstat (limited to 'Modules/_pickle.c')
| -rw-r--r-- | Modules/_pickle.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Modules/_pickle.c b/Modules/_pickle.c index 39f8b75..c4fe349 100644 --- a/Modules/_pickle.c +++ b/Modules/_pickle.c @@ -3840,7 +3840,10 @@ save_reduce(PicklerObject *self, PyObject *args, PyObject *obj) if (obj != NULL) { obj_class = get_class(obj); - p = obj_class != cls; /* true iff a problem */ + if (obj_class == NULL) { + return -1; + } + p = obj_class != cls; Py_DECREF(obj_class); if (p) { PyErr_SetString(st->PicklingError, "args[0] from " |