From e529101ea30b49a6601088ce5ab81df590fc52f0 Mon Sep 17 00:00:00 2001
From: Matthias Baesken <mbaesken@openjdk.org>
Date: Tue, 21 May 2024 08:11:08 +0000
Subject: [PATCH] 8332473: ubsan: growableArray.hpp:290:10: runtime error: null
 pointer passed as argument 1, which is declared to never be null

Reviewed-by: jsjolen, clanger
---
 src/hotspot/share/utilities/growableArray.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hotspot/share/utilities/growableArray.hpp b/src/hotspot/share/utilities/growableArray.hpp
index 39118e38f5c..c3c64762942 100644
--- a/src/hotspot/share/utilities/growableArray.hpp
+++ b/src/hotspot/share/utilities/growableArray.hpp
@@ -287,10 +287,12 @@ public:
   }
 
   void sort(int f(E*, E*)) {
+    if (_data == nullptr) return;
     qsort(_data, length(), sizeof(E), (_sort_Fn)f);
   }
   // sort by fixed-stride sub arrays:
   void sort(int f(E*, E*), int stride) {
+    if (_data == nullptr) return;
     qsort(_data, length() / stride, sizeof(E) * stride, (_sort_Fn)f);
   }