1 files changed, 5 insertions, 0 deletions
diff --git a/Modules/ossaudiodev.c b/Modules/ossaudiodev.c
index e660e50..cdf6beb 100644
--- a/Modules/ossaudiodev.c
+++ b/Modules/ossaudiodev.c
@@ -425,6 +425,11 @@ oss_writeall(oss_audio_t *self, PyObject *args)
     if (!PyArg_ParseTuple(args, "y#:write", &cp, &size))
         return NULL;
 
+    if (!_PyIsSelectable_fd(self->fd)) {
+        PyErr_SetString(PyExc_ValueError,
+                        "file descriptor out of range for select");
+        return NULL;
+    }
     /* use select to wait for audio device to be available */
     FD_ZERO(&write_set_fds);
     FD_SET(self->fd, &write_set_fds);