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  1. JDK
  2. JDK-8253927

guarantee(object->mark() == markWord::INFLATING()) failed: invariant

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P2
    • Resolution: Duplicate
    • Affects Version/s: 15, 16, 17
    • Fix Version/s: tbd
    • Component/s: hotspot
    • Labels:

      Description

      Crash was observed several times when running Spec JVM 2008 in crypto.aes on a Power9 machine. JVM was built on 2020-09-28 and 2020-11-12.
      Unclear if only PPC64 or weak memory model platforms are affected or if it is a general bug.

      # Internal Error (synchronizer.cpp:1373), pid=6583, tid=7553
      # guarantee(object->mark() == markWord::INFLATING()) failed: invariant
      #
      # JRE version: OpenJDK Runtime Environment (16.0.0.1) (build 16.0.0.1-internal+0-adhoc.openjdk.jdk)
      # Java VM: OpenJDK 64-Bit Server VM (16.0.0.1-internal+0-adhoc.openjdk.jdk, mixed mode, tiered, compressed oops, g1 gc, linux-ppc64le)
      # Problematic frame:
      # V [libjvm.so+0xe5279c] ObjectSynchronizer::inflate(Thread*, oopDesc*, ObjectSynchronizer::InflateCause)+0x7dc

      V [libjvm.so+0xe5279c] ObjectSynchronizer::inflate(Thread*, oopDesc*, ObjectSynchronizer::InflateCause)+0x7dc
      V [libjvm.so+0xe5283c] ObjectSynchronizer::exit(oopDesc*, BasicLock*, Thread*)+0x4c
      V [libjvm.so+0xdad3b0] SharedRuntime::complete_monitor_unlocking_C(oopDesc*, BasicLock*, JavaThread*)+0xc0
      J 6247 c2 java.io.PrintStream.println(Ljava/lang/String;)V java.base@16.0.0.1-internal (44 bytes) @ 0x00007fff9dc7fc34 [0x00007fff9dc7f200+0x0000000000000a34]
      J 6521 c1 spec.benchmarks.crypto.aes.Main.runEncryptDecrypt(Ljavax/crypto/SecretKey;Ljava/lang/String;Ljava/lang/String;)V (93 bytes) @ 0x00007fff962def94 [0x00007fff962de600+0x0000000000000994]
      J 6618 c1 spec.benchmarks.crypto.aes.Main.harnessMain()V (97 bytes) @ 0x00007fff95e86648 [0x00007fff95e86380+0x00000000000002c8]
      J 5512 c1 spec.harness.BenchmarkThread.runLoop(Lspec/harness/results/IterationResult;)Lspec/harness/results/LoopResult; (243 bytes) @ 0x00007fff966a5498 [0x00007fff966a4800+0x0000000000000c98]
      j spec.harness.BenchmarkThread.executeIteration()Z+74
      j spec.harness.BenchmarkThread.run()V+1
      ...

      From gdb:
      #6 0x00007fffb3f927a4 in ObjectSynchronizer::inflate (self=0x7ffef00efba0, object=0xff802c08, cause=ObjectSynchronizer::inflate_cause_vm_internal) at ./src/hotspot/share/runtime/synchronizer.cpp:1373
      m = 0x7ffe5c004960
      r30=0x00007ffe5c004960 points into unknown readable memory: 0x00007fff95660000 | 00 00 66 95 ff 7f 00 00
      mark = {_value = 0x7ffe9d7ddba8
      r8,r17=0x00007ffe9d7ddba8 is pointing into the stack for thread: 0x00007ffef00efba0
      0x7ffe9d7ddba8: 0x00007fff95660000

      #9 SharedRuntime::complete_monitor_unlocking_C (obj=0xff802c08, lock=0x7ffe9d7ddc70, thread=<optimized out>) at ./src/hotspot/share/runtime/sharedRuntime.cpp:2129
      lock: {_displaced_header = {_value = 9

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              Assignee:
              Unassigned Unassigned
              Reporter:
              mdoerr Martin Doerr
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                Created:
                Updated:
                Resolved: