[Python-checkins] cpython (2.7): do not decref value borrowed from list (closes #27774)
benjamin.peterson
python-checkins at python.org
Tue Aug 16 01:05:28 EDT 2016
https://hg.python.org/cpython/rev/4ca84a3e37d7
changeset: 102688:4ca84a3e37d7
branch: 2.7
parent: 102683:85b35300f200
user: Benjamin Peterson <benjamin at python.org>
date: Mon Aug 15 22:01:41 2016 -0700
summary:
do not decref value borrowed from list (closes #27774)
files:
Misc/NEWS | 2 ++
Modules/_sre.c | 4 +---
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -29,6 +29,8 @@
Library
-------
+- Issue #27774: Fix possible Py_DECREF on unowned object in _sre.
+
- Issue #27760: Fix possible integer overflow in binascii.b2a_qp.
- In the curses module, raise an error if window.getstr() or window.instr() is
diff --git a/Modules/_sre.c b/Modules/_sre.c
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -3438,10 +3438,8 @@
if (!key)
goto failed;
value = match_getslice(self, key, def);
- if (!value) {
- Py_DECREF(key);
+ if (!value)
goto failed;
- }
status = PyDict_SetItem(result, key, value);
Py_DECREF(value);
if (status < 0)
--
Repository URL: https://hg.python.org/cpython
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