From 2eecf159afac32fe3a8141aec467d83cb63ef92b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20Gr=C3=B6nlund?= <mgronlun@openjdk.org>
Date: Mon, 17 Mar 2025 09:56:10 +0000
Subject: [PATCH] 8351967: JFR: AnnotationIterator should handle
 num_annotations = 0

Reviewed-by: egahlin
---
 .../share/jfr/instrumentation/jfrEventClassTransformer.cpp      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
index 8c3b895345f..5e4e4a5cf5f 100644
--- a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
+++ b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
@@ -338,7 +338,7 @@ class AnnotationIterator : public StackObj {
                                                                      _buffer(_limit > 2 ? ar->adr_at(2) : nullptr),
                                                                      _current(0),
                                                                      _next(0) {
-    if (_buffer != nullptr) {
+    if (_limit >= 2) {
       _limit -= 2; // subtract sizeof(u2) number of annotations field
     }
   }