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IT11600: TIVOLI STORAGE MANAGER 7.1.2 CLIENT CAN CRASH WHEN USING THE SNAPSHOTROOT OPTION

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Description:
    
    The Tivoli Storage Manager Client can crash when using the
    snapshotroot option, specifically in version 7.1.2
    
    Tivoli Storage Manager Versions Affected:
    Tivoli Storage Manager Client 7.1.2 on all operating systems
    
    Customer/L2 Diagnostics (If Applicable)
    
    Example of output from running dsmc will show :
    
    dsmc incremental -detail -filelist=/fs/dir/file1
    -servername=mysrv -errorlogname=/var/log/tsm/dsmerror.log
    -snapshotroot=/fs/dir/.snapshots/mmbackup_cron_wrapper >
    dsmc.out 2>&1
    
    *** Error in `/usr/local/tsm/client/ba/bin/dsmc': malloc():
    memory corruption: 0x00007f1afc0278f0 ***
    
    The dsmerror.log will show :
    
    ANS0361I DIAG: Block trailer invalid, possible memory overwrite.
    Addr 0x7fdf74084a30, File DccTaskletStatus.cpp, Line 1868
    ANS0361I DIAG: Block header invalid, possible memory overwrite.
    Addr 0x7fdf74084ab0, File DccTaskStatus.cpp, Line 2438
    
    Call stack will be similar to  :
    
    0  0x00007f1b156445d7 in raise () from /lib64/libc.so.6
    #1  0x00007f1b15645cc8 in abort () from /lib64/libc.so.6
    #2  0x00007f1b15684e07 in __libc_message () from
    /lib64/libc.so.6
    #3  0x00007f1b1568dbbc in _int_malloc () from /lib64/libc.so.6
    #4  0x00007f1b1568fbaa in calloc () from /lib64/libc.so.6
    #5  0x0000000000663418 in dsmCalloc(unsigned long, unsigned
    long, char*, unsigned int) ()
    #6  0x00000000006c5d45 in trLogDiagMsg(char const*, unsigned
    int,        unsigned char, char const*, ...) ()
    #7  0x000000000069aad6 in psTrapHandler(int) ()
    #8  <signal handler called>
    
    
    Initial Impact: Low|Medium|High
    Medium
    
    Additional Keywords:
    TSM crash dump snapshot memory
    
    | MDVREGR 7.1.2.0-TIV-5698MCL |
    

Local fix

  • Do not use the snapshotroot option with the 7.1.2 client release
    or upgrade the client to 7.1.3
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Tivoli Storage Manager Client version 7.1.2 running on       *
    * Linux/Unix platform.                                         *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See ERROR DESCRIPTION                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level when available. This problem is currently *
    * projected to be fixed in level 7.1.6. Note that this         *
    * information is subject to change at the discretion of IBM.   *
    ****************************************************************
    

Problem conclusion

  • The problem with memory operation is fixed so the crash no
    longer occurs.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT11600

  • Reported component name

    TSM CLIENT

  • Reported component ID

    5698ISMCL

  • Reported release

    71L

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2015-10-06

  • Closed date

    2015-12-03

  • Last modified date

    2016-03-15

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

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

Modules/Macros

  • dsmc
    

Fix information

  • Fixed component name

    TSM CLIENT

  • Fixed component ID

    5698ISMCL

Applicable component levels

  • R71L PSY

       UP

  • R71A PSY

       UP

  • R71S PSY

       UP

  • R71H PSY

       UP

[{"Line of Business":{"code":"LOB26","label":"Storage"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSGSG7","label":"Tivoli Storage Manager"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"71L"}]

Document Information

Modified date:
25 September 2021