From c4c7aa5dad6eb651e76d86d0d1a7a5c2ad6ded61 Mon Sep 17 00:00:00 2001
From: caheckman <48068198+caheckman@users.noreply.github.com>
Date: Mon, 21 Jul 2025 19:40:05 +0000
Subject: [PATCH] Fix for infinite loop caused by RulePtrsubUndo

---
 Ghidra/Features/Decompiler/src/decompile/cpp/type.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Ghidra/Features/Decompiler/src/decompile/cpp/type.cc b/Ghidra/Features/Decompiler/src/decompile/cpp/type.cc
index 88ca8e36c8..f00502ba65 100644
--- a/Ghidra/Features/Decompiler/src/decompile/cpp/type.cc
+++ b/Ghidra/Features/Decompiler/src/decompile/cpp/type.cc
@@ -1726,6 +1726,9 @@ Datatype *TypeStruct::nearestArrayedComponentForward(int8 off,int8 *newoff,int8
       int8 suboff;
       Datatype *res = subtype->nearestArrayedComponentForward(remain, &suboff, elSize);
       if (res != (Datatype *)0) {
+	int8 subdiff = diff + remain - suboff;
+	if (subdiff > 128)
+	  break;
 	*newoff = -diff;
 	return subtype;
       }