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

IBM Spectrum Protect client 7.1.4.x interim fix downloads

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 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