fixed jmp

fuzzer/Fuzzer.java

@@ -51,12 +51,22 @@ public class Fuzzer {
 			else if(strat == 7){
 				pw.println(generateDirtyMemoryRead(rg));
 			}
+			else if(strat ==8){
+				if(rg.nextBoolean()){
+					pw.println(jmpOverflow(rg));
+				}
+				else{
+					pw.println(jzOverflow(rg));
+				}
+			}
+			if(strat != 8){
 				int paddingLines = rg.nextInt(maxPadding);
 				pw.println(generateDivideByZero());
 				pw.println(generateInstructionComment(rg));
 				for(int x=0;x<paddingLines;x++){
 					pw.println(generateValidString(rg,paddingLines-x+3,x+3));
 				}
+			}
 			if(strat == 0){
 				pw.println(generateValidReturn(rg));
 			}
@@ -80,14 +90,6 @@ public class Fuzzer {
 			else if(strat == 5){
 				pw.println(generateInstructionOverflow());
 			}
-			else if(strat == 8){
-				if(rg.nextBoolean()){
-					pw.println(jmpOverflow(rg));
-				}
-				else{
-					pw.println(jzOverflow(rg));
-				}
-			}
 			else if(strat == 9){
 				if(rg.nextBoolean()){
 					pw.println(intOverflow());
@@ -344,10 +346,14 @@ public class Fuzzer {
     public static String jmpOverflow(Random rg) {
     	String line = new String();
 		int val;
+		int offset = rg.nextInt(10);
+		if(offset == 0){
+			offset = 10;
+		}
     	if(rg.nextBoolean()) {
-    		val = -1*maxMemory;
+    		val = -1*offset;
     	} else {
-    		val = maxMemory;
+    		val = offset;
     	}
     	line = line +"JMP "+val;
     	return line;
@@ -357,10 +363,14 @@ public class Fuzzer {
     	
     	String line = new String();
     	int val;
+		int offset = rg.nextInt(10);
+		if(offset == 0){
+			offset = 10;
+		}
     	if(rg.nextBoolean()) {
-    		val = -1*maxMemory;
+    		val = -1*offset;
     	} else {
-    		val = maxMemory;
+    		val = offset;
     	}
     	line = line +"MOV R0 0\n";
     	line = line +"JZ R0 "+val;