[Python-checkins] Fix a possible decref of a borrowed reference in symtable.c. (GH-9786)
Miss Islington (bot)
webhook-mailer at python.org
Thu Oct 11 01:24:20 EDT 2018
https://github.com/python/cpython/commit/1c2cb516e49ceb56f76e90645e67e8df4e5df01a
commit: 1c2cb516e49ceb56f76e90645e67e8df4e5df01a
branch: 3.7
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2018-10-10T22:24:14-07:00
summary:
Fix a possible decref of a borrowed reference in symtable.c. (GH-9786)
(cherry picked from commit fc439d20de32b0ebccca79a96e31f83b85ec4eaf)
Co-authored-by: Zackery Spytz <zspytz at gmail.com>
files:
M Python/symtable.c
diff --git a/Python/symtable.c b/Python/symtable.c
index 1c328a996140..81eea95f4907 100644
--- a/Python/symtable.c
+++ b/Python/symtable.c
@@ -625,8 +625,10 @@ update_symbols(PyObject *symbols, PyObject *scopes,
return 0;
itr = PyObject_GetIter(free);
- if (!itr)
- goto error;
+ if (itr == NULL) {
+ Py_DECREF(v_free);
+ return 0;
+ }
while ((name = PyIter_Next(itr))) {
v = PyDict_GetItem(symbols, name);
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