The following test failed in an adhoc test job:

com/sun/jdi/EATests.java#id0

Here's a snippet from the log file:

###(Debugger) Target has not yet entered the loop. Sleep 200ms.


###(Debugger) get field targetIsInLoop


###(Debugger) result : false


###(Debugger) Target has not yet entered the loop. Sleep 200ms.

#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/opt/mach5/mesos/work_dir/slaves/afbc6042-3a24-4198-9369-18c663a3f74c-S26242/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/a0c33d3f-e84e-4668-a74f-8209c1f36077/runs/f91f0af1-191b-48b5-a1aa-df63a5dcc5e3/workspace/open/src/hotspot/share/gc/shared/cardTable.hpp:120), pid=1124482, tid=1124488
# assert(_whole_heap.contains(p)) failed: Attempt to access p = 0x0000000100000000 out of bounds of card marking array's _whole_heap = [0x00000000f0000000,0x0000000100000000)
#
# JRE version: Java(TM) SE Runtime Environment (22.0) (fastdebug build 22-internal-2023-12-01-2236432.daniel.daugherty.8321069forjdk22.git)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 22-internal-2023-12-01-2236432.daniel.daugherty.8321069forjdk22.git, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, serial gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x86a95b] CardTableRS::non_clean_card_iterate(TenuredSpace*, MemRegion, OopIterateClosure*, CardTableRS*)+0x80b
#
# Core dump will be written. Default location: Core dumps may be processed with "/opt/core.sh %p" (or dumping to /opt/mach5/mesos/work_dir/slaves/0db9c48f-6638-40d0-9a4b-bd9cc7533eb8-S9910/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/f827b904-784e-48e0-8f4f-73e70d8b0a29/runs/fdd5a08b-0071-4ec6-b73b-e6d8c5df2978/testoutput/test-support/jtreg_open_test_jdk_jdk_jdi/scratch/0/core.1124482)
#
Unsupported internal testing APIs have been used.

# An error report file with more information is saved as:
# /opt/mach5/mesos/work_dir/slaves/0db9c48f-6638-40d0-9a4b-bd9cc7533eb8-S9910/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/f827b904-784e-48e0-8f4f-73e70d8b0a29/runs/fdd5a08b-0071-4ec6-b73b-e6d8c5df2978/testoutput/test-support/jtreg_open_test_jdk_jdk_jdi/scratch/0/hs_err_pid1124482.log

###(Debugger) get field targetIsInLoop

#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
#
----------System.err:(64/3877)----------
[1ms] run args: [-XX:+UnlockDiagnosticVMOptions, -Xms256m, -Xmx256m, -Xbootclasspath/a:., -XX:CompileCommand=dontinline,*::dontinline_*, -XX:+WhiteBoxAPI, -Xbatch, -XX:+DoEscapeAnalysis, -XX:+EliminateAllocations, -XX:-EliminateLocks, -XX:+EliminateNestedLocks, -XX:LockingMode=1, EATestsTarget]
[555ms] EAMaterializeLocalVariableUponGet: passed
[601ms] EAGetWithoutMaterialize: passed
[644ms] EAMaterializeLocalAtObjectReturn: passed
[665ms] EAMaterializeLocalAtObjectPollReturnReturn: passed
[706ms] EAMaterializeIntArray: passed
[744ms] EAMaterializeLongArray: passed
[783ms] EAMaterializeFloatArray: passed
[820ms] EAMaterializeDoubleArray: passed
[860ms] EAMaterializeObjectArray: passed
[911ms] EAMaterializeObjectWithConstantAndNotConstantValues: passed
[948ms] EAMaterializeObjReferencedBy2Locals: passed
[989ms] EAMaterializeObjReferencedBy2LocalsAndModify: passed
[1027ms] EAMaterializeObjReferencedBy2LocalsInDifferentVirtFrames: passed
[1073ms] EAMaterializeObjReferencedBy2LocalsInDifferentVirtFramesAndModify: passed
[1113ms] EAMaterializeObjReferencedFromOperandStack: passed
[1153ms] EAMaterializeLocalVariableUponGetAfterSetInteger: passed
[1197ms] EARelockingSimple: passed
[1260ms] EARelockingSimpleWithAccessInOtherThread: passed
[1300ms] EARelockingRecursive: passed
[1340ms] EARelockingNestedInflated: passed
[1388ms] EARelockingNestedInflated_02: passed
[1429ms] EARelockingArgEscapeLWLockedInCalleeFrame: passed
[1472ms] EARelockingArgEscapeLWLockedInCalleeFrame_2: passed
[1517ms] EARelockingArgEscapeLWLockedInCalleeFrameNoRecursive: passed
[1542ms] EAGetOwnedMonitors: passed
[1562ms] EAEntryCount: passed
[1823ms] EARelockingObjectCurrentlyWaitingOn: passed
[1863ms] EADeoptFrameAfterReadLocalObject_01: passed
[1901ms] EADeoptFrameAfterReadLocalObject_01B: passed
[1944ms] EADeoptFrameAfterReadLocalObject_02: passed
[1997ms] EADeoptFrameAfterReadLocalObject_02B: passed
[2032ms] EADeoptFrameAfterReadLocalObject_02C: passed
[2073ms] EADeoptFrameAfterReadLocalObject_03: passed
[2110ms] EAPopFrameNotInlined: passed
[3676ms] EAPopFrameNotInlinedReallocFailure: passed
java.lang.RuntimeException: Unexpected exception in test case EAPopInlinedMethodWithScalarReplacedObjectsReallocFailure
at jdk.test.lib.Asserts.fail(Asserts.java:657)
at EATestCaseBaseDebugger.run(EATests.java:474)
at EATests.runTests(EATests.java:398)
at TestScaffold.startTests(TestScaffold.java:468)
at EATests.main(EATests.java:308)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1570)
Caused by: com.sun.jdi.VMDisconnectedException
at jdk.jdi/com.sun.tools.jdi.TargetVM.waitForReply(TargetVM.java:304)
at jdk.jdi/com.sun.tools.jdi.VirtualMachineImpl.waitForTargetReply(VirtualMachineImpl.java:1176)
at jdk.jdi/com.sun.tools.jdi.PacketStream.waitForReply(PacketStream.java:89)
at jdk.jdi/com.sun.tools.jdi.JDWP$ObjectReference$GetValues.waitForReply(JDWP.java:4516)
at jdk.jdi/com.sun.tools.jdi.JDWP$ObjectReference$GetValues.process(JDWP.java:4486)
at jdk.jdi/com.sun.tools.jdi.ObjectReferenceImpl.getValues(ObjectReferenceImpl.java:229)
at jdk.jdi/com.sun.tools.jdi.ObjectReferenceImpl.getValue(ObjectReferenceImpl.java:183)
at EATestCaseBaseDebugger.getField(EATests.java:739)
at EATestCaseBaseDebugger.targetHasEnteredEndlessLoop(EATests.java:759)
at EATestCaseBaseDebugger.waitUntilTargetHasEnteredEndlessLoop(EATests.java:768)
at EAPopInlinedMethodWithScalarReplacedObjectsReallocFailure.runTestCase(EATests.java:2664)
at EATestCaseBaseDebugger.run(EATests.java:469)
... 7 more

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Unexpected exception in test case EAPopInlinedMethodWithScalarReplacedObjectsReallocFailure

Here's the crashing thread's stack:

--------------- T H R E A D ---------------

Current thread (0x00007ff8e00f6e70): VMThread "VM Thread" [id=1124488, stack(0x00007ff8e4058000,0x00007ff8e4158000) (1024K)]

Stack: [0x00007ff8e4058000,0x00007ff8e4158000], sp=0x00007ff8e4155f88, free space=1015k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x86a95b] CardTableRS::non_clean_card_iterate(TenuredSpace*, MemRegion, OopIterateClosure*, CardTableRS*)+0x80b (cardTable.hpp:120)
V [libjvm.so+0x15ee72a] SerialHeap::young_process_roots(OopClosure*, OopIterateClosure*, CLDClosure*)+0x5a (serialHeap.cpp:103)
V [libjvm.so+0xaab70c] DefNewGeneration::collect(bool, bool, unsigned long, bool)+0x49c (defNewGeneration.cpp:781)
V [libjvm.so+0xd68012] GenCollectedHeap::collect_generation(Generation*, bool, unsigned long, bool, bool, bool)+0x342 (genCollectedHeap.cpp:400)
V [libjvm.so+0xd691bb] GenCollectedHeap::do_collection(bool, bool, unsigned long, bool, GenCollectedHeap::GenerationType)+0x92b (genCollectedHeap.cpp:464)
V [libjvm.so+0xd696f6] GenCollectedHeap::satisfy_failed_allocation(unsigned long, bool)+0x76 (genCollectedHeap.cpp:598)
V [libjvm.so+0xd54f37] VM_GenCollectForAllocation::doit()+0x47 (gcVMOperations.cpp:203)
V [libjvm.so+0x186ed95] VM_Operation::evaluate()+0xf5 (vmOperations.cpp:73)
V [libjvm.so+0x18908a7] VMThread::evaluate_operation(VM_Operation*)+0xc7 (vmThread.cpp:281)
V [libjvm.so+0x18912e3] VMThread::inner_execute(VM_Operation*)+0x3c3 (vmThread.cpp:435)
V [libjvm.so+0x18914c4] VMThread::loop()+0x84 (vmThread.cpp:502)
V [libjvm.so+0x18915d4] VMThread::run()+0x94 (vmThread.cpp:175)
V [libjvm.so+0x178cc36] Thread::call_run()+0xb6 (thread.cpp:220)
V [libjvm.so+0x1496ea7] thread_native_entry(Thread*)+0x127 (os_linux.cpp:787)

This particular failure mode has been seen in other adhoc test
jobs unrelated to the fix that I'm testing. I have not yet seen it
in a CI job set.