From 4e3c90a985e329172667f811d75ba2a5e631f856 Mon Sep 17 00:00:00 2001
From: ali dandach <alidandach1995@gmail.com>
Date: Sat, 28 Dec 2024 12:52:23 +0200
Subject: [PATCH] fix: prevent infinite recursion in doWithFields method.

---
 .../main/java/org/springframework/util/ReflectionUtils.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/spring-core/src/main/java/org/springframework/util/ReflectionUtils.java b/spring-core/src/main/java/org/springframework/util/ReflectionUtils.java
index ec29a41f6bb1..11a73ffdd003 100644
--- a/spring-core/src/main/java/org/springframework/util/ReflectionUtils.java
+++ b/spring-core/src/main/java/org/springframework/util/ReflectionUtils.java
@@ -709,7 +709,11 @@ public static void doWithFields(Class<?> clazz, FieldCallback fc) {
 	public static void doWithFields(Class<?> clazz, FieldCallback fc, @Nullable FieldFilter ff) {
 		// Keep backing up the inheritance hierarchy.
 		Class<?> targetClass = clazz;
+		Set<Class<?>> visitedClasses = new HashSet<>();
 		do {
+			if (!visitedClasses.add(targetClass)) {
+				break; // Avoid infinite recursion
+			}
 			Field[] fields = getDeclaredFields(targetClass);
 			for (Field field : fields) {
 				if (ff != null && !ff.matches(field)) {