diff --git a/8264640.patch b/8264640.patch
new file mode 100755
index 0000000000000000000000000000000000000000..18413b89827ea820feb13a4784632f603ae77fd3
--- /dev/null
+++ b/8264640.patch
@@ -0,0 +1,20 @@
+diff --git a/src/hotspot/share/gc/cms/parOopClosures.inline.hpp b/src/hotspot/share/gc/cms/parOopClosures.inline.hpp
+index 1e206292d..609a14868 100644
+--- a/src/hotspot/share/gc/cms/parOopClosures.inline.hpp
++++ b/src/hotspot/share/gc/cms/parOopClosures.inline.hpp
+@@ -44,6 +44,7 @@ template <class T> inline void ParScanWeakRefClosure::do_oop_work(T* p) {
+     // we need to ensure that it is copied (see comment in
+     // ParScanClosure::do_oop_work).
+     Klass* objK = obj->klass();
++    OrderAccess::loadload();
+     markOop m = obj->mark_raw();
+     oop new_obj;
+     if (m->is_marked()) { // Contains forwarding pointer.
+@@ -108,6 +109,7 @@ inline void ParScanClosure::do_oop_work(T* p,
+       // overwritten with an overflow next pointer after the object is
+       // forwarded.
+       Klass* objK = obj->klass();
++      OrderAccess::loadload();
+       markOop m = obj->mark_raw();
+       oop new_obj;
+       if (m->is_marked()) { // Contains forwarding pointer.
diff --git a/openjdk-11.spec b/openjdk-11.spec
index c2bf682c6439b2afd7df7af87d6dc32b39bf5308..ad670b8dd901644ad0c97f2cc60318e28cf28849 100644
--- a/openjdk-11.spec
+++ b/openjdk-11.spec
@@ -740,7 +740,7 @@ Provides: java-src%{?1} = %{epoch}:%{version}-%{release}
 
 Name:    java-%{javaver}-%{origin}
 Version: %{newjavaver}.%{buildver}
-Release: 0
+Release: 1
 # java-1.5.0-ibm from jpackage.org set Epoch to 1 for unknown reasons
 # and this change was brought into RHEL-4. java-1.5.0-ibm packages
 # also included the epoch in their virtual provides. This created a
@@ -851,6 +851,9 @@ Patch67: 8214535-support-Jmap-parallel.patch
 Patch68: src-openeuler-openjdk-11-resolve-code-inconsistencies.patch 
 Patch69: G1-iterate-region-by-bitmap-rather-than-obj-size-in.patch
 
+#11.0.11
+Patch70: 8264640.patch
+
 BuildRequires: autoconf
 BuildRequires: alsa-lib-devel
 BuildRequires: binutils
@@ -1123,6 +1126,7 @@ pushd %{top_level_dir_name}
 %patch67 -p1
 %patch68 -p1
 %patch69 -p1
+%patch70 -p1
 popd # openjdk
 
 # %patch1000
@@ -1626,6 +1630,9 @@ require "copy_jdk_configs.lua"
 
 
 %changelog
+* Fri May 28 2021 kuenking111 <wangkun49@huawei.com> - 1:11.0.11.9-1
+- add 8264640.patch
+
 * Fri May 14 2021 hu_bo_dao <hubodao@huawei.com> - 1:11.0.11.9-0
 - Update to 11.0.11+9 (GA)