[Python-checkins] Fix a possible refleak in tupleobject.c (GH-19018)
Miss Islington (bot)
webhook-mailer at python.org
Sun Mar 15 15:55:46 EDT 2020
https://github.com/python/cpython/commit/627e7bc1bb203b6472af567f2effee952c34b34c
commit: 627e7bc1bb203b6472af567f2effee952c34b34c
branch: 3.7
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2020-03-15T12:55:41-07:00
summary:
Fix a possible refleak in tupleobject.c (GH-19018)
(cherry picked from commit c81609e44eed641d3b8a137daa31ef35501c1f85)
Co-authored-by: Hai Shi <shihai1992 at gmail.com>
files:
M Objects/tupleobject.c
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 7ee06e20e4a91..2a1b8fad98dbb 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -696,8 +696,10 @@ tuple_subtype_new(PyTypeObject *type, PyObject *iterable)
return NULL;
assert(PyTuple_Check(tmp));
newobj = type->tp_alloc(type, n = PyTuple_GET_SIZE(tmp));
- if (newobj == NULL)
+ if (newobj == NULL) {
+ Py_DECREF(tmp);
return NULL;
+ }
for (i = 0; i < n; i++) {
item = PyTuple_GET_ITEM(tmp, i);
Py_INCREF(item);
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