The following test failed in the JDK21 CI:

vmTestbase/nsk/sysdict/vm/stress/chain/chain008/chain008.java

Here's a snippet from the log file:

#section:main
----------messages:(6/433)----------
command: main -XX:-UseGCOverheadLimit nsk.sysdict.share.ChainTest -stressHeap -useFatClass -jarpath leans.jar:fats.jar
reason: User specified action: run main/othervm -XX:-UseGCOverheadLimit nsk.sysdict.share.ChainTest -stressHeap -useFatClass -jarpath leans.jar${path.separator}fats.jar
started: Mon Dec 12 06:13:57 UTC 2022
Mode: othervm [/othervm specified]
finished: Mon Dec 12 06:19:21 UTC 2022
elapsed time (seconds): 323.956
----------configuration:(0/0)----------
----------System.out:(79/5718)----------
name=nsk.sysdict.share.FatsInfo
The classHeight = 5 the loadersHeight = 90
Stress time: 300 seconds
Stress iterations factor: 1
Stress threads factor: 1
Stress runs factor: 1
Max memory: 1038090240
Sleep time: 500
Iterations: 0
Number of threads: 24
Run GC thread: false
Run mem diag thread: false
Run forever: false
Starting Thread[#33,nsk.sysdict.share.SysDictTest$Worker@6a43faaa,5,MainThreadGroup]
Starting Thread[#34,nsk.sysdict.share.SysDictTest$Worker@622fedf6,5,MainThreadGroup]
Starting Thread[#35,nsk.sysdict.share.SysDictTest$Worker@174ccdb3,5,MainThreadGroup]
Starting Thread[#36,nsk.sysdict.share.SysDictTest$Worker@6d418b15,5,MainThreadGroup]
Starting Thread[#37,nsk.sysdict.share.SysDictTest$Worker@711e8929,5,MainThreadGroup]
Starting Thread[#38,nsk.sysdict.share.SysDictTest$Worker@6cc38aa1,5,MainThreadGroup]
Starting Thread[#39,nsk.sysdict.share.SysDictTest$Worker@1d93f3df,5,MainThreadGroup]
Starting Thread[#40,nsk.sysdict.share.SysDictTest$Worker@7c6bca5b,5,MainThreadGroup]
Starting Thread[#41,nsk.sysdict.share.SysDictTest$Worker@7939433e,5,MainThreadGroup]
Starting Thread[#42,nsk.sysdict.share.SysDictTest$Worker@9df483a,5,MainThreadGroup]
Starting Thread[#43,nsk.sysdict.share.SysDictTest$Worker@b505fd5,5,MainThreadGroup]
Starting Thread[#44,nsk.sysdict.share.SysDictTest$Worker@29cb75f6,5,MainThreadGroup]
Starting Thread[#45,nsk.sysdict.share.SysDictTest$Worker@1ad8f342,5,MainThreadGroup]
Starting Thread[#46,nsk.sysdict.share.SysDictTest$Worker@6935e6bb,5,MainThreadGroup]
Starting Thread[#47,nsk.sysdict.share.SysDictTest$Worker@6012a2bf,5,MainThreadGroup]
Starting Thread[#48,nsk.sysdict.share.SysDictTest$Worker@12840f8e,5,MainThreadGroup]
Starting Thread[#49,nsk.sysdict.share.SysDictTest$Worker@4f9bbc7f,5,MainThreadGroup]
Starting Thread[#50,nsk.sysdict.share.SysDictTest$Worker@9dd9b09,5,MainThreadGroup]
Starting Thread[#51,nsk.sysdict.share.SysDictTest$Worker@7c2fd7d7,5,MainThreadGroup]
Starting Thread[#52,nsk.sysdict.share.SysDictTest$Worker@4e655fa3,5,MainThreadGroup]
Starting Thread[#53,nsk.sysdict.share.SysDictTest$Worker@5c0f7a54,5,MainThreadGroup]
Starting Thread[#54,nsk.sysdict.share.SysDictTest$Worker@396fb70f,5,MainThreadGroup]
Starting Thread[#55,nsk.sysdict.share.SysDictTest$Worker@3bfc5e9a,5,MainThreadGroup]
Starting Thread[#56,nsk.sysdict.share.SysDictTest$Worker@5f809601,5,MainThreadGroup]