Issue #12287: Fix a stack corruption in ossaudiodev module when the FD is
greater than FD_SETSIZE.
diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index ac604b6..5a8580c 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -114,7 +114,7 @@
#if defined(_MSC_VER)
max = 0; /* not used for Win32 */
#else /* !_MSC_VER */
- if (v < 0 || v >= FD_SETSIZE) {
+ if (!_PyIsSelectable_fd(v)) {
PyErr_SetString(PyExc_ValueError,
"filedescriptor out of range in select()");
goto finally;
@@ -164,13 +164,6 @@
for (j = 0; fd2obj[j].sentinel >= 0; j++) {
fd = fd2obj[j].fd;
if (FD_ISSET(fd, set)) {
-#ifndef _MSC_VER
- if (fd > FD_SETSIZE) {
- PyErr_SetString(PyExc_SystemError,
- "filedescriptor out of range returned in select()");
- goto finally;
- }
-#endif
o = fd2obj[j].obj;
fd2obj[j].obj = NULL;
/* transfer ownership */