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authorSerhiy Storchaka <storchaka@gmail.com>2013-01-19 10:41:45 (GMT)
committerSerhiy Storchaka <storchaka@gmail.com>2013-01-19 10:41:45 (GMT)
commit9101e23ff6006d9ede7d46e8c9e7d39e23c2a3c3 (patch)
treec61aebdba4dddc8f10c9460ca33b0fa3f2e1495d /Modules/_io
parentbd8f29028eab752e8e5c73703218a701028c1a9a (diff)
parent441d30fac7f4037e4a79e4ada873de3b6f6e5a26 (diff)
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Issue #15989: Fix several occurrences of integer overflow
when result of PyLong_AsLong() narrowed to int without checks. This is a backport of changesets 13e2e44db99d and 525407d89277.
Diffstat (limited to 'Modules/_io')
-rw-r--r--Modules/_io/fileio.c4
-rw-r--r--Modules/_io/textio.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index ca25209..8c1fabe 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -244,7 +244,7 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
return -1;
}
- fd = PyLong_AsLong(nameobj);
+ fd = _PyLong_AsInt(nameobj);
if (fd < 0) {
if (!PyErr_Occurred()) {
PyErr_SetString(PyExc_ValueError,
@@ -382,7 +382,7 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
goto error;
}
- self->fd = PyLong_AsLong(fdobj);
+ self->fd = _PyLong_AsInt(fdobj);
Py_DECREF(fdobj);
if (self->fd == -1) {
goto error;
diff --git a/Modules/_io/textio.c b/Modules/_io/textio.c
index 83437d6..a93049f 100644
--- a/Modules/_io/textio.c
+++ b/Modules/_io/textio.c
@@ -881,7 +881,7 @@ textiowrapper_init(textio *self, PyObject *args, PyObject *kwds)
}
}
else {
- int fd = (int) PyLong_AsLong(fileno);
+ int fd = _PyLong_AsInt(fileno);
Py_DECREF(fileno);
if (fd == -1 && PyErr_Occurred()) {
goto error;