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From e566dca620c43d56798770b41cd0d25a63a71b82 Mon Sep 17 00:00:00 2001
From: Andrew Haley <aph@openjdk.org>
Date: Thu, 19 Mar 2020 14:53:57 +0000
Subject: [PATCH] 8241296: Segfault in JNIHandleBlock::oops_do()
Reviewed-by: stefank, shade
---
src/hotspot/share/runtime/thread.cpp | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/hotspot/share/runtime/thread.cpp b/src/hotspot/share/runtime/thread.cpp
index 0aa68f3941..ca7f0b0fa4 100644
--- a/src/hotspot/share/runtime/thread.cpp
+++ b/src/hotspot/share/runtime/thread.cpp
@@ -827,7 +827,9 @@ bool Thread::claim_oops_do_par_case(int strong_roots_parity) {
}
void Thread::oops_do(OopClosure* f, CodeBlobClosure* cf) {
- active_handles()->oops_do(f);
+ if (active_handles() != NULL) {
+ active_handles()->oops_do(f);
+ }
// Do oop for ThreadShadow
f->do_oop((oop*)&_pending_exception);
handle_area()->oops_do(f);
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