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IV46195: INADEQUATE MEMORY ALLOCATION BY JVMTIGETTHREADGROUPINFO.

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: JVM Trace assert "** ASSERTION FAILED ** at
    common/j9memtag.c:141: ((memoryCorruptionDetected))" is received
    when JVMTI agent deallocates the GetThreadGroupInfo returned
    memory pointer.
    .
    Stack Trace: The native stack trace will appear similar to:
    j9trc26!twAssertion+0x37
    j9ute26!logTracePoint+0x1d4
    j9ute26!utsTraceV+0x108
    j9trc26!j9Trace+0x5b
    j9prt26!unwrapBlockAndCheckTags+0xf1
    j9prt26!j9mem_free_memory+0x54
    j9jvmti26!jvmtiDeallocate+0x63
    jdwp+0x11672
    jdwp!Agent_OnUnload+0x4dcc
    jdwp!Agent_OnUnload+0x4b4a
    jdwp!Agent_OnUnload+0xd9d1
    jdwp!Agent_OnUnload+0xe0b7
    j9jvmti26!wrappedAgentThreadStart+0xbe
    j9prt26!j9sig_protect+0x20a
    j9jvmti26!agentThreadStart+0x68
    j9thr26!thread_wrapper+0xec
    msvcr100!_callthreadstart+0x17
    msvcr100!_threadstart+0x75
    kernel32!BaseThreadInitThunk+0xd
    ntdll!RtlUserThreadStart+0x1d
    .
    

Local fix

Problem summary

  • The problem is caused because the GetThreadGroupInfo function
    allocated one less byte than needed.
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR6
    6.0.1 SR7
    6.0.0 SR15
    .
    The JVM has been updated to prevent the crash from occurring by
    allocating adequate amount of memory.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV46195

  • Reported component name

    J9 COMMON CODE

  • Reported component ID

    620700127

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-07-26

  • Closed date

    2013-08-01

  • Last modified date

    2013-08-01

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    J9 COMMON CODE

  • Fixed component ID

    620700127

Applicable component levels

  • R260 PSY

       UP

  • R600 PSY

       UP

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Document Information

Modified date:
21 February 2022