From 9f54b92325521c2c20f94f016181e7ab4e93e9a7 Mon Sep 17 00:00:00 2001
From: Dan <46821332+nsadeveloper789@users.noreply.github.com>
Date: Thu, 8 Apr 2021 15:33:35 -0400
Subject: [PATCH] GP-0: Fixed silly SleighAssembler bug

---
 .../ghidra/app/plugin/assembler/sleigh/SleighAssembler.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/SleighAssembler.java b/Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/SleighAssembler.java
index a02cca1e2d..3a561afc86 100644
--- a/Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/SleighAssembler.java
+++ b/Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/SleighAssembler.java
@@ -107,6 +107,9 @@ public class SleighAssembler implements Assembler {
 	@Override
 	public InstructionIterator patchProgram(byte[] insbytes, Address at)
 			throws MemoryAccessException {
+		if (insbytes.length == 0) {
+			return listing.getInstructions(new AddressSet(), true);
+		}
 		Address end = at.add(insbytes.length - 1);
 		listing.clearCodeUnits(at, end, false);
 		memory.setBytes(at, insbytes);