The following test failed in the JDK24 CI:

runtime/NMT/TotalMallocMmapDiffTest.java

Here's a snippet from the log file:

section:main
----------messages:(7/616)----------
command: main -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=summary -Xms32m -Xmx32m TotalMallocMmapDiffTest
reason: User specified action: run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=summary -Xms32m -Xmx32m TotalMallocMmapDiffTest
started: Mon Jul 15 15:54:43 UTC 2024
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules java.base,java.management --add-exports java.base/jdk.internal.misc=ALL-UNNAMED
finished: Mon Jul 15 15:55:28 UTC 2024
elapsed time (seconds): 44.431
----------configuration:(4/111)----------
Boot Layer
  add modules: java.base java.management
  add exports: java.base/jdk.internal.misc ALL-UNNAMED

----------System.out:(2/140)----------
[2024-07-15T15:55:20.913535417Z] Gathering output for process 1241215
[2024-07-15T15:55:26.492723999Z] Gathering output for process 1241352
----------System.err:(11/895)----------
java.lang.Exception: Total malloc diff is incorrect. Expected malloc diff range: [2.097152E8 - 3.145728E8]Actual malloc diff: 315717367
at TotalMallocMmapDiffTest.main(TotalMallocMmapDiffTest.java:69)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:588)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1575)

JavaTest Message: Test threw exception: java.lang.Exception: Total malloc diff is incorrect. Expected malloc diff range: [2.097152E8 - 3.145728E8]Actual malloc diff: 315717367
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.Exception: Total malloc diff is incorrect. Expected malloc diff range: [2.097152E8 - 3.145728E8]Actual malloc diff: 315717367
----------rerun:(52/7745)*----------