From 8de3c0df60eec75c14bc4a06df328e059a13a3f9 Mon Sep 17 00:00:00 2001
From: Zhengyu Gu <zhengyu.gu@datadoghq.com>
Date: Tue, 7 Apr 2026 20:01:44 +0000
Subject: [PATCH] Fix VMMethod::validatedId() crash

---
 ddprof-lib/src/main/cpp/hotspot/vmStructs.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ddprof-lib/src/main/cpp/hotspot/vmStructs.cpp b/ddprof-lib/src/main/cpp/hotspot/vmStructs.cpp
index 3a3c4c27b..181097e47 100644
--- a/ddprof-lib/src/main/cpp/hotspot/vmStructs.cpp
+++ b/ddprof-lib/src/main/cpp/hotspot/vmStructs.cpp
@@ -733,7 +733,8 @@ jmethodID VMMethod::id() {
 
 jmethodID VMMethod::validatedId() {
     jmethodID method_id = id();
-    if (!_can_dereference_jmethod_id || (goodPtr(method_id) && *(VMMethod**)method_id == this)) {
+    if (!_can_dereference_jmethod_id || 
+        ((goodPtr(method_id) && SafeAccess::loadPtr((void**)method_id, nullptr) == this))) {
         return method_id;
     }
     return NULL;