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Issue #15989: Fix several occurrences of integer overflow

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when result of PyLong_AsLong() narrowed to int without checks.

This is a backport of changesets 13e2e44db99d and 525407d89277.
This commit is contained in:
Serhiy Storchaka 2013-01-19 12:41:45 +02:00
commit 9101e23ff6
19 changed files with 151 additions and 25 deletions
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4
Objects/fileobject.c
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@ -200,7 +200,7 @@ PyObject_AsFileDescriptor(PyObject *o)
_Py_IDENTIFIER(fileno);
if (PyLong_Check(o)) {
fd = PyLong_AsLong(o);
fd = _PyLong_AsInt(o);
}
else if ((meth = _PyObject_GetAttrId(o, &PyId_fileno)) != NULL)
{
@ -210,7 +210,7 @@ PyObject_AsFileDescriptor(PyObject *o)
return -1;
if (PyLong_Check(fno)) {
fd = PyLong_AsLong(fno);
fd = _PyLong_AsInt(fno);
Py_DECREF(fno);
}
else {