Index: src/main/native/luni/windows/OSNetworkSystemWin32.c =================================================================== --- src/main/native/luni/windows/OSNetworkSystemWin32.c (revision 465516) +++ src/main/native/luni/windows/OSNetworkSystemWin32.c (working copy) @@ -212,7 +212,7 @@ int size = sizeof(struct ICMPHeader); int result; struct timeval timeP; - fd_set * fdset_read; + fd_set * fdset_read = 0; SOCKET sock; unsigned short header_len; int sockadd_size = sizeof (source);