I46H8I: fix g1 uncommit ygc enxpand region crash

fix_g1uncommit_ygc_expand_crash.patch

@@ -0,0 +1,15 @@
+diff --git a/hotspot/src/share/vm/gc_implementation/g1/heapRegionManager.cpp b/hotspot/src/share/vm/gc_implementation/g1/heapRegionManager.cpp
+index 6ad85596..818f6681 100644
+--- a/hotspot/src/share/vm/gc_implementation/g1/heapRegionManager.cpp
++++ b/hotspot/src/share/vm/gc_implementation/g1/heapRegionManager.cpp
+@@ -241,8 +241,8 @@ uint HeapRegionManager::expand_at(uint start, uint num_regions) {
+ uint HeapRegionManager::expand_on_preferred_node(uint preferred_index) {
+   uint expand_candidate = UINT_MAX;
+   for (uint i = 0; i < max_length(); i++) {
+-    if (is_available(i)) {
+-      // Already in use continue
++    if (!can_expand(i)) {
++      // Already in use or in uncommit list continue
+       continue;
+     }
+     // Always save the candidate so we can expand later on.

openjdk-1.8.0.spec

@@ -916,7 +916,7 @@ Provides: java-%{javaver}-%{origin}-accessibility%{?1} = %{epoch}:%{version}-%{r
 
 Name:    java-%{javaver}-%{origin}
 Version: %{javaver}.%{updatever}.%{buildver}
-Release: 1
+Release: 2
 # 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
@@ -1102,6 +1102,7 @@ Patch202: Fix-RSACipher-memory-usage.patch
 # 8u302
 Patch203: fix-lock-ordering-issue-when-calling-JVMTI-GetLoaded.patch
 Patch204: 8069191.patch
+Patch205: fix_g1uncommit_ygc_expand_crash.patch
 
 #############################################
 #
@@ -1552,6 +1553,7 @@ pushd %{top_level_dir_name}
 %patch202 -p1
 %patch203 -p1
 %patch204 -p1
+%patch205 -p1
 popd
 
 # System library fixes
@@ -2167,6 +2169,9 @@ require "copy_jdk_configs.lua"
 %endif
 
 %changelog
+* Fri Aug 20 2021 kuenking111 <wangkun49@huawei.com> - 1:1.8.0.302-b07.2
+- add fix_g1uncommit_ygc_expand_crash.patch
+
 * Thu Aug 19 2021 eapen <zhangyipeng7@huawei.com> - 1:1.8.0.302-b07.1
 - delete 8266929_huawei_add_oid_mapping_common_sig_types.patch