src/java.base/windows/native/libnio/ch/WindowsSelectorImpl.c

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -30,10 +30,11 @@
 /* This number should be equal to WindowsSelectorImpl.MAX_SELECTABLE_FDS */
 /* This definition MUST precede the inclusion of winsock2.h */
 
 #define FD_SETSIZE 1024
 
+#include <limits.h>
 #include <stdlib.h>
 #include <winsock2.h>
 
 #include "jvm.h"
 #include "jni.h"

@@ -73,13 +74,23 @@
         tv = &zerotime;
     } else if (timeout < 0) {
         tv = NULL;
     } else {
         tv = &timevalue;
-        tv->tv_sec =  (long)(timeout / 1000);
+        jlong sec = timeout / 1000;
+        //
+        // struct timeval members are signed 32-bit integers so the
+        // signed 64-bit jlong needs to clamped
+        //
+        if (sec > INT_MAX) {
+            tv->tv_sec  = INT_MAX;
+            tv->tv_usec = 0;
+        } else {
+            tv->tv_sec  = (long)sec;
         tv->tv_usec = (long)((timeout % 1000) * 1000);
     }
+    }
 
     /* Set FD_SET structures required for select */
     for (i = 0; i < numfds; i++) {
         if (fds[i].events & POLLIN) {
            readfds.fd_array[read_count] = fds[i].fd;