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.
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 4f896fd..bc3372f 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -1737,7 +1737,7 @@
static PyObject *
sock_setblocking(PySocketSockObject *s, PyObject *arg)
{
- int block;
+ long block;
block = PyLong_AsLong(arg);
if (block == -1 && PyErr_Occurred())
@@ -2219,7 +2219,7 @@
int backlog;
int res;
- backlog = PyLong_AsLong(arg);
+ backlog = _PyLong_AsInt(arg);
if (backlog == -1 && PyErr_Occurred())
return NULL;
Py_BEGIN_ALLOW_THREADS
@@ -2822,7 +2822,7 @@
int how;
int res;
- how = PyLong_AsLong(arg);
+ how = _PyLong_AsInt(arg);
if (how == -1 && PyErr_Occurred())
return NULL;
Py_BEGIN_ALLOW_THREADS