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Issue #13019: Fix potential reference leaks in bytearray.extend().

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Patch by Suman Saha.
This commit is contained in:
Antoine Pitrou 2012-04-01 16:08:11 +02:00
commit 29b964d0dd
2 changed files with 9 additions and 2 deletions
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3
Misc/NEWS
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@ -10,6 +10,9 @@ What's New in Python 3.3.0 Alpha 2?
Core and Builtins
-----------------
- Issue #13019: Fix potential reference leaks in bytearray.extend(). Patch
by Suman Saha.
- Issue #1683368: object.__new__ and object.__init__ raise a TypeError if they
are passed arguments and their complementary method is not overridden.

8
Objects/bytearrayobject.c
View file

@ -2289,8 +2289,10 @@ bytearray_extend(PyByteArrayObject *self, PyObject *arg)
}
bytearray_obj = PyByteArray_FromStringAndSize(NULL, buf_size);
if (bytearray_obj == NULL)
if (bytearray_obj == NULL) {
Py_DECREF(it);
return NULL;
}
buf = PyByteArray_AS_STRING(bytearray_obj);
while ((item = PyIter_Next(it)) != NULL) {
@ -2323,8 +2325,10 @@ bytearray_extend(PyByteArrayObject *self, PyObject *arg)
return NULL;
}
if (bytearray_setslice(self, Py_SIZE(self), Py_SIZE(self), bytearray_obj) == -1)
if (bytearray_setslice(self, Py_SIZE(self), Py_SIZE(self), bytearray_obj) == -1) {
Py_DECREF(bytearray_obj);
return NULL;
}
Py_DECREF(bytearray_obj);
Py_RETURN_NONE;