From b9ef9f667ef9d4052c9d6dfec763b94d331dc04d Mon Sep 17 00:00:00 2001
From: Scott Gibbons <sgibbons@openjdk.org>
Date: Sat, 13 Apr 2024 00:48:52 +0000
Subject: [PATCH] 8330185: Potential uncaught unsafe memory copy exception

Reviewed-by: kvn, sviswanathan
---
 src/hotspot/cpu/x86/stubGenerator_x86_64_arraycopy.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hotspot/cpu/x86/stubGenerator_x86_64_arraycopy.cpp b/src/hotspot/cpu/x86/stubGenerator_x86_64_arraycopy.cpp
index c802f953c90..8e77b9cc6c7 100644
--- a/src/hotspot/cpu/x86/stubGenerator_x86_64_arraycopy.cpp
+++ b/src/hotspot/cpu/x86/stubGenerator_x86_64_arraycopy.cpp
@@ -728,7 +728,8 @@ address StubGenerator::generate_disjoint_copy_avx3_masked(address* entry, const
 
   if (MaxVectorSize == 64) {
     __ BIND(L_copy_large);
-    arraycopy_avx3_large(to, from, temp1, temp2, temp3, temp4, count, xmm1, xmm2, xmm3, xmm4, shift);
+      UnsafeCopyMemoryMark ucmm(this, !is_oop && !aligned, false, ucme_exit_pc);
+      arraycopy_avx3_large(to, from, temp1, temp2, temp3, temp4, count, xmm1, xmm2, xmm3, xmm4, shift);
     __ jmp(L_finish);
   }
   return start;