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Fix possible NULL pointer dereferences in testcapi module

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CID 1058280
CID 1058282
CID 1058284
This commit is contained in:
Christian Heimes 2013-07-26 14:52:26 +02:00
commit 5e3de55b01
1 changed files with 7 additions and 1 deletions
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8
Modules/_testcapimodule.c
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@ -120,6 +120,10 @@ test_dict_inner(int count)
for (i = 0; i < count; i++) { for (i = 0; i < count; i++) {
v = PyLong_FromLong(i); v = PyLong_FromLong(i);
if (v == NULL) {
Py_DECREF(v);
return -1;
}
if (PyDict_SetItem(dict, v, v) < 0) { if (PyDict_SetItem(dict, v, v) < 0) {
Py_DECREF(v); Py_DECREF(v);
return -1; return -1;
@ -1656,6 +1660,8 @@ test_long_numbits(PyObject *self)
for (i = 0; i < Py_ARRAY_LENGTH(testcases); ++i) { for (i = 0; i < Py_ARRAY_LENGTH(testcases); ++i) {
PyObject *plong = PyLong_FromLong(testcases[i].input); PyObject *plong = PyLong_FromLong(testcases[i].input);
if (plong == NULL)
return NULL;
size_t nbits = _PyLong_NumBits(plong); size_t nbits = _PyLong_NumBits(plong);
int sign = _PyLong_Sign(plong); int sign = _PyLong_Sign(plong);
@ -2248,7 +2254,7 @@ profile_int(PyObject *self, PyObject* args)
gettimeofday(&start, NULL); gettimeofday(&start, NULL);
for(i=0; i < 10000000; i++) { for(i=0; i < 10000000; i++) {
result = PyNumber_Add(op1, op1); result = PyNumber_Add(op1, op1);
Py_DECREF(result); Py_XDECREF(result);
} }
gettimeofday(&stop, NULL); gettimeofday(&stop, NULL);
Py_DECREF(op1); Py_DECREF(op1);