src/windows/native/java/net/TwoStacksPlainSocketImpl.c

@@ -206,10 +206,11 @@
 
     SOCKETADDRESS him;
 
     /* The result of the connection */
     int connect_res;
+    memset((char *)&him, 0, sizeof(him));
 
     if (!IS_NULL(fdObj)) {
         fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
     }
 

@@ -398,11 +399,11 @@
                                          jboolean exclBind) {
 
     /* fdObj is the FileDescriptor field on this */
     jobject fdObj, fd1Obj;
     /* fd is an int field on fdObj */
-    int fd, fd1, len;
+    int fd, fd1, len = 0;
     int ipv6_supported = ipv6_available();
 
     /* family is an int field of iaObj */
     int family;
     int rv;

@@ -841,16 +842,17 @@
 Java_java_net_TwoStacksPlainSocketImpl_socketNativeSetOption(JNIEnv *env,
                                               jobject this,
                                               jint cmd, jboolean on,
                                               jobject value) {
     int fd, fd1;
-    int level, optname, optlen;
+    int level = 0, optname = 0, optlen = 0;
     union {
         int i;
         struct linger ling;
     } optval;
 
+    memset((char *)&optval, 0, sizeof(optval));
     /*
      * Get SOCKET and check that it hasn't been closed
      */
     fd = getFD(env, this);
     fd1 = getFD1(env, this);

@@ -1007,21 +1009,21 @@
 JNIEXPORT jint JNICALL
 Java_java_net_TwoStacksPlainSocketImpl_socketGetOption(JNIEnv *env, jobject this,
                                               jint opt, jobject iaContainerObj) {
 
     int fd, fd1;
-    int level, optname, optlen;
+    int level = 0, optname = 0, optlen = 0;
     union {
         int i;
         struct linger ling;
     } optval;
-
     /*
      * Get SOCKET and check it hasn't been closed
      */
     fd = getFD(env, this);
     fd1 = getFD1(env, this);
+    memset((char *)&optval, 0, sizeof(optval));
 
     if (fd < 0 && fd1 < 0) {
         JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
         return -1;
     }

@@ -1041,10 +1043,11 @@
         jobject iaObj;
         jclass iaCntrClass;
         jfieldID iaFieldID;
 
         len = sizeof(him);
+        memset((char *)&him, 0, len);
 
         if (fd == -1) {
             /* must be an IPV6 only socket. Case where both sockets are != -1
              * is handled in java
              */