Fix array allocation.

src/com/bdjb/api/Int16Array.java

@@ -9,7 +9,7 @@ package com.bdjb.api;
 
 public final class Int16Array extends Buffer {
   public Int16Array(int length) {
-    super(Int16.SIZE);
+    super(length * Int16.SIZE);
   }
 
   public short get(int index) {

src/com/bdjb/api/Int32Array.java

@@ -9,7 +9,7 @@ package com.bdjb.api;
 
 public final class Int32Array extends Buffer {
   public Int32Array(int length) {
-    super(Int32.SIZE);
+    super(length * Int32.SIZE);
   }
 
   public int get(int index) {

src/com/bdjb/api/Int64Array.java

@@ -9,7 +9,7 @@ package com.bdjb.api;
 
 public final class Int64Array extends Buffer {
   public Int64Array(int length) {
-    super(Int64.SIZE);
+    super(length * Int64.SIZE);
   }
 
   public long get(int index) {

src/com/bdjb/api/Int8Array.java

@@ -9,7 +9,7 @@ package com.bdjb.api;
 
 public final class Int8Array extends Buffer {
   public Int8Array(int length) {
-    super(Int8.SIZE);
+    super(length * Int8.SIZE);
   }
 
   public byte get(int index) {

src/com/bdjb/api/KernelAPI.java

@@ -42,6 +42,9 @@ public class KernelAPI {
 
   private long kaslrOffset;
 
+  private Int32Array masterPipeFd = new Int32Array(2);
+  private Int32Array victimPipeFd = new Int32Array(2);
+
   private int masterRpipeFd;
   private int masterWpipeFd;
   private int victimRpipeFd;
@@ -79,9 +82,6 @@ public class KernelAPI {
   }
 
   private void initPipes() {
-    Int32Array masterPipeFd = new Int32Array(2);
-    Int32Array victimPipeFd = new Int32Array(2);
-
     pipe(masterPipeFd);
     pipe(victimPipeFd);
 
@@ -179,20 +179,12 @@ public class KernelAPI {
     kwrite(addr, tmp, Int64.SIZE);
   }
 
-  public int getMasterRpipeFd() {
-    return masterRpipeFd;
+  public Int32Array getMasterPipeFd() {
+    return masterPipeFd;
   }
 
-  public int getMasterWpipeFd() {
-    return masterWpipeFd;
-  }
-
-  public int getVictimRpipeFd() {
-    return victimRpipeFd;
-  }
-
-  public int getVictimWpipeFd() {
-    return victimWpipeFd;
+  public Int32Array getVictimPipeFd() {
+    return victimPipeFd;
   }
 
   public long getKaslrOffset() {