Issue #16404: Add checks for return value of PyLong_FromLong() in

sys.getwindowsversion() and ossaudiodev.setparameters().
Reported by Ned Batchelder.

2 files changed, 5 insertions, 8 deletions

diff --git a/Modules/ossaudiodev.c b/Modules/ossaudiodev.c
index b0a16db..be90016 100644
--- a/Modules/ossaudiodev.c
+++ b/Modules/ossaudiodev.c
@@ -564,7 +564,6 @@ oss_setparameters(oss_audio_t *self, PyObject *args)
 {
     int wanted_fmt, wanted_channels, wanted_rate, strict=0;
     int fmt, channels, rate;
-    PyObject * rv;                    /* return tuple (fmt, channels, rate) */
 
     if (!_is_fd_valid(self->fd))
         return NULL;
@@ -609,13 +608,7 @@ oss_setparameters(oss_audio_t *self, PyObject *args)
 
     /* Construct the return value: a (fmt, channels, rate) tuple that
        tells what the audio hardware was actually set to. */
-    rv = PyTuple_New(3);
-    if (rv == NULL)
-        return NULL;
-    PyTuple_SET_ITEM(rv, 0, PyLong_FromLong(fmt));
-    PyTuple_SET_ITEM(rv, 1, PyLong_FromLong(channels));
-    PyTuple_SET_ITEM(rv, 2, PyLong_FromLong(rate));
-    return rv;
+    return Py_BuildValue("(iii)", fmt, channels, rate);
 }
 
 static int
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 46a6aa9..d238561 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -801,6 +801,10 @@ sys_getwindowsversion(PyObject *self)
     PyStructSequence_SET_ITEM(version, pos++, PyLong_FromLong(ver.wSuiteMask));
     PyStructSequence_SET_ITEM(version, pos++, PyLong_FromLong(ver.wProductType));
 
+    if (PyErr_Occurred()) {
+        Py_DECREF(version);
+        return NULL;
+    }
     return version;
 }