JVM crash in ModuleEntry::purge_reads or ModuleEntryTable::purge_all_module_reads

Environment

• Red Hat build of OpenJDK
  • 11.0.12+7-LTS
• AppDynamics agent

Issue

We are trying to enable appdynamic agent in our application server which runs on openjdk version "11.0.10", and the JVM is crashing with the following in the fatal error log:

#  SIGSEGV (0xb) at pc=0x00007fe860de18c8, pid=13698, tid=13746
#
# JRE version: OpenJDK Runtime Environment 18.9 (11.0.10+9) (build 11.0.10+9-LTS)
# Java VM: OpenJDK 64-Bit Server VM 18.9 (11.0.10+9-LTS, mixed mode, sharing, tiered, compressed oops, g1 gc, linux-amd64)
# Problematic frame:
# V  [libjvm.so+0xbe08c8]  ModuleEntry::purge_reads()+0x118
...

Current thread (0x00005591c90de800):  VMThread "VM Thread" [stack: 0x00007fe8232a5000,0x00007fe8233a5000] [id=13746]

Stack: [0x00007fe8232a5000,0x00007fe8233a5000],  sp=0x00007fe8233a3090,  free space=1016k

Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0xbe08c8]  ModuleEntry::purge_reads()+0x118
V  [libjvm.so+0xbe09d8]  ModuleEntryTable::purge_all_module_reads()+0x38
V  [libjvm.so+0x632d54]  ClassLoaderDataGraph::do_unloading(bool)+0x134
V  [libjvm.so+0xe39223]  SystemDictionary::do_unloading(GCTimer*, bool)+0x53
V  [libjvm.so+0x7c8aad]  G1ConcurrentMark::weak_refs_work(bool)+0x39d
V  [libjvm.so+0x7c9c59]  G1ConcurrentMark::remark()+0xf9
V  [libjvm.so+0xef0136]  VM_CGC_Operation::doit()+0xc6
V  [libjvm.so+0xee7ea0]  VM_Operation::evaluate()+0xe0
V  [libjvm.so+0xeedd3f]  VMThread::evaluate_operation(VM_Operation*)+0x11f
V  [libjvm.so+0xeee1be]  VMThread::loop()+0x28e
V  [libjvm.so+0xeee72c]  VMThread::run()+0x7c
V  [libjvm.so+0xe78fea]  Thread::call_run()+0x16a
V  [libjvm.so+0xc3da48]  thread_native_entry(Thread*)+0xf8

Alternate stack in the fatal error log:

Stack: [0x00000092e8200000,0x00000092e8300000],  sp=0x00000092e82fe7f0,  free space=1017k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [jvm.dll+0x5ab390]  ModuleEntryTable::purge_all_module_reads+0x140  (moduleentry.cpp:444)
V  [jvm.dll+0x1ce246]  ClassLoaderDataGraph::do_unloading+0x1c6  (classloaderdata.cpp:1435)
V  [jvm.dll+0x711340]  SystemDictionary::do_unloading+0x40  (systemdictionary.cpp:1835)
V  [jvm.dll+0x2e2f89]  G1ConcurrentMark::weak_refs_work+0x3b9  (g1concurrentmark.cpp:1681)
V  [jvm.dll+0x2e1bac]  G1ConcurrentMark::remark+0x29c  (g1concurrentmark.cpp:1169)
V  [jvm.dll+0x783018]  VM_CGC_Operation::doit+0x1e8  (vm_operations_g1.cpp:211)
V  [jvm.dll+0x77db2c]  VM_Operation::evaluate+0xec  (vmoperations.cpp:68)
V  [jvm.dll+0x781bc7]  VMThread::evaluate_operation+0xe7  (vmthread.cpp:413)
V  [jvm.dll+0x782429]  VMThread::loop+0x3e9  (vmthread.cpp:548)
V  [jvm.dll+0x7827b7]  VMThread::run+0x67  (vmthread.cpp:315)
V  [jvm.dll+0x738624]  Thread::call_run+0x84  (thread.cpp:389)
V  [jvm.dll+0x5e2c56]  thread_native_entry+0xd6  (os_windows.cpp:460)
C  [ucrtbase.dll+0x1fb80]
C  [KERNEL32.DLL+0x84d4]
C  [ntdll.dll+0x51791]

Resolution

Upgrade to the Red Hat build of OpenJDK 11.0.13+.

Root Cause

Content from bugs.openjdk.java.net is not included.Content from bugs.openjdk.java.net is not included.https://bugs.openjdk.java.net/browse/JDK-8251945

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