From 8a5663ce4c9fa2afb90dfb1ffac89bf70bfe29f9 Mon Sep 17 00:00:00 2001
From: 0xcharry <idea.sermons.5p@icloud.com>
Date: Mon, 9 Feb 2026 15:25:30 +0100
Subject: [PATCH] Update util.go

---
 eth/tracers/internal/util.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/eth/tracers/internal/util.go b/eth/tracers/internal/util.go
index 88a9f5db44..0fd3f870b3 100644
--- a/eth/tracers/internal/util.go
+++ b/eth/tracers/internal/util.go
@@ -69,6 +69,12 @@ func MemoryPtr(m []byte, offset, size int64) []byte {
 		return nil
 	}
 
+	if offset < 0 || size < 0 {
+		return nil
+	}
+	if offset+size > int64(len(m)) {
+		return nil
+	}
 	if len(m) > int(offset) {
 		return m[offset : offset+size]
 	}