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authorChristian Heimes <christian@cheimes.de>2013-07-26 20:49:26 (GMT)
committerChristian Heimes <christian@cheimes.de>2013-07-26 20:49:26 (GMT)
commit704e2d374f88bca83339b95d559b0abce12dc6bd (patch)
treed72a1a52470f4d3ee1b734c23d6ce798df98259e /Python/bltinmodule.c
parent9ee5c37c8f8c4f35814453aecf5fdfd01dfa2781 (diff)
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Issue #18560: Fix potential NULL pointer dereference in sum()
Diffstat (limited to 'Python/bltinmodule.c')
-rw-r--r--Python/bltinmodule.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 4fe8dac..b07ee8e 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -2009,6 +2009,11 @@ builtin_sum(PyObject *self, PyObject *args)
}
/* Either overflowed or is not an int. Restore real objects and process normally */
result = PyLong_FromLong(i_result);
+ if (result == NULL) {
+ Py_DECREF(item);
+ Py_DECREF(iter);
+ return NULL;
+ }
temp = PyNumber_Add(result, item);
Py_DECREF(result);
Py_DECREF(item);