The following test failed in the JDK24 CI:

com/sun/management/DiagnosticCommandMBean/DcmdMBeanPermissionsTest.java

Here's a snippet from the log file:

#section:main
----------messages:(7/400)----------
command: main -Djava.security.manager=allow DcmdMBeanPermissionsTest
reason: User specified action: run main/othervm -Djava.security.manager=allow DcmdMBeanPermissionsTest
started: Wed Sep 18 16:20:51 UTC 2024
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules java.logging,java.management
finished: Wed Sep 18 16:21:06 UTC 2024
elapsed time (seconds): 14.671
----------configuration:(3/59)----------
Boot Layer
  add modules: java.logging java.management

----------System.out:(41/1593)*----------
Testing compilerCodeHeapAnalytics
Testing compilerCodecache
Testing compilerCodelist
Testing compilerDirectivesAdd
Testing compilerDirectivesClear
Testing compilerDirectivesPrint
Testing compilerDirectivesRemove
Testing compilerMemory
Testing compilerQueue
Testing gcClassHistogram
Testing gcFinalizerInfo
Testing gcHeapInfo
Testing gcRun
Testing gcRunFinalization
Testing help
Testing jfrCheck
Testing jfrConfigure
Testing jfrDump
Testing jfrStart
Testing jfrStop
Testing jfrView
Testing jvmtiAgentLoad
Testing jvmtiDataDump
Testing systemDumpMap
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (c:\\sb\\prod\\1726663901\\workspace\\open\\src\\hotspot\\share\\runtime/thread.hpp:535), pid=44680, tid=20508
# assert(_stack_base != nullptr) failed: Sanity check
#
# JRE version: Java(TM) SE Runtime Environment (24.0+16) (fastdebug build 24-ea+16-1777)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 24-ea+16-1777, mixed mode, sharing, tiered, compressed class ptrs, z gc, windows-amd64)
# Core dump will be written. Default location: C:\\sb\\prod\\1726676244\\testoutput\\test-support\\jtreg_open_test_jdk_jdk_management\\scratch\\0\\hs_err_pid44680.mdmp
#
# An error report file with more information is saved as:
# C:\\sb\\prod\\1726676244\\testoutput\\test-support\\jtreg_open_test_jdk_jdk_management\\scratch\\0\\hs_err_pid44680.log
[4.628s][warning][os] Loading hsdis library failed
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
#
----------System.err:(6/712)----------
Java HotSpot(TM) 64-Bit Server VM warning: Option ZGenerational was deprecated in version 23.0 and will likely be removed in a future release.
Java HotSpot(TM) 64-Bit Server VM warning: Non-generational ZGC is deprecated.
WARNING: A terminally deprecated method in java.lang.System has been called
WARNING: System::setSecurityManager has been called by DcmdMBeanPermissionsTest (file:/C:/sb/prod/1726676244/testoutput/test-support/jtreg_open_test_jdk_jdk_management/classes/1/com/sun/management/DiagnosticCommandMBean/DcmdMBeanPermissionsTest.d/)
WARNING: Please consider reporting this to the maintainers of DcmdMBeanPermissionsTest
WARNING: System::setSecurityManager will be removed in a future release
----------rerun:(47/6059)*----------

Here's the crashing thread's stack:

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

Current thread (0x00000273c16ad670): JavaThread "MainThread" [_thread_in_vm, id=20508, stack(0x000000de1e300000,0x000000de1e400000) (1024K)] _threads_hazard_ptr=0x00000273c1441b40, _nested_threads_hazard_ptr_cnt=0

Stack: [0x000000de1e300000,0x000000de1e400000]
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [jvm.dll+0xce9d41] os::win32::platform_print_native_stack+0x101 (os_windows_x86.cpp:235)
V [jvm.dll+0xfaeeeb] VMError::report+0x149b (vmError.cpp:1011)
V [jvm.dll+0xfb158d] VMError::report_and_die+0x80d (vmError.cpp:1846)
V [jvm.dll+0xfb1c84] VMError::report_and_die+0x64 (vmError.cpp:1611)
V [jvm.dll+0x57dccb] report_vm_error+0x5b (debug.cpp:193)
V [jvm.dll+0xc08f66] vma_touches_thread_stack+0x86 (memMapPrinter.cpp:175)
V [jvm.dll+0xc08cdb] print_thread_details_for_supposed_stack_address+0x8b (memMapPrinter.cpp:217)
V [jvm.dll+0xc08ac4] MappingPrintSession::print_nmt_info_for_region+0x1f4 (memMapPrinter.cpp:260)
V [jvm.dll+0xc09540] MemMapPrinter::pd_print_all_mappings+0x4c0 (memMapPrinter_windows.cpp:244)
V [jvm.dll+0xc086ce] MemMapPrinter::print_all_mappings+0x7e (memMapPrinter.cpp:282)
V [jvm.dll+0x60cbe7] SystemDumpMapDCmd::execute+0x67 (diagnosticCommand.cpp:1211)
V [jvm.dll+0x60ffe5] DCmd::parse_and_execute+0x505 (diagnosticFramework.cpp:416)
V [jvm.dll+0xbed5ad] jmm_ExecuteDiagnosticCommand+0x15d (management.cpp:2082)
C 0x00000273dee17055 (no source info available)

The last pc belongs to native nmethod (printed below).
Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
J 1009 com.sun.management.internal.DiagnosticCommandImpl.executeDiagnosticCommand(Ljava/lang/String;)Ljava/lang/String; jdk.management@24-ea (0 bytes) @ 0x00000273dee1701c [0x00000273dee16fa0+0x000000000000007c]
j com.sun.management.internal.DiagnosticCommandImpl$Wrapper.execute([Ljava/lang/String;)Ljava/lang/String;+35 jdk.management@24-ea
j com.sun.management.internal.DiagnosticCommandImpl.invoke(Ljava/lang/String;[Ljava/lang/Object;[Ljava/lang/String;)Ljava/lang/Object;+134 jdk.management@24-ea
j com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(Ljavax/management/ObjectName;Ljava/lang/String;[Ljava/lang/Object;[Ljava/lang/String;)Ljava/lang/Object;+29 java.management@24-ea
j com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(Ljavax/management/ObjectName;Ljava/lang/String;[Ljava/lang/Object;[Ljava/lang/String;)Ljava/lang/Object;+13 java.management@24-ea
j DcmdMBeanPermissionsTest.invokeOperation(Ljavax/management/MBeanServer;Ljavax/management/ObjectName;Ljavax/management/MBeanOperationInfo;)Z+53
j DcmdMBeanPermissionsTest.testOperation(Ljavax/management/MBeanServer;LDcmdMBeanPermissionsTest$CustomSecurityManager;Ljavax/management/ObjectName;Ljavax/management/MBeanOperationInfo;)V+127
j DcmdMBeanPermissionsTest.main([Ljava/lang/String;)V+241
j java.lang.invoke.LambdaForm$DMH+0x00000273c24083e0.invokeStatic(Ljava/lang/Object;Ljava/lang/Object;)V+10 java.base@24-ea
j java.lang.invoke.LambdaForm$MH+0x00000273c240ac10.invoke(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;+33 java.base@24-ea
j java.lang.invoke.Invokers$Holder.invokeExact_MT(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;+20 java.base@24-ea
j jdk.internal.reflect.DirectMethodHandleAccessor.invokeImpl(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+55 java.base@24-ea
j jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+23 java.base@24-ea
j java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+102 java.base@24-ea
j com.sun.javatest.regtest.agent.MainWrapper$MainTask.run()V+134
j java.lang.Thread.runWith(Ljava/lang/Object;Ljava/lang/Runnable;)V+5 java.base@24-ea
j java.lang.Thread.run()V+19 java.base@24-ea
v ~StubRoutines::call_stub 0x00000273de83104f
Lock stack of current Java thread (top to bottom):


Compiled method (n/a) 4627 1009 n 0 com.sun.management.internal.DiagnosticCommandImpl::executeDiagnosticCommand (native)
 total in heap [0x00000273dee16e88,0x00000273dee17300] = 1144
 relocation [0x00000273dee16f70,0x00000273dee16f90] = 32
 main code [0x00000273dee16fa0,0x00000273dee172ff] = 863
 stub code [0x00000273dee172ff,0x00000273dee17300] = 1

Since the crash appears to be happening in the DCmd implementation
I'm starting this bug off in core-svc/tools for initial triage.