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2923564 - Signal 11 in showplan() or show_plan() - SAP ASE 16.0

Symptom

  • "infected with signal 11" in the module showplan() or show_plan() or similar with a stack trace is raised in the ASE server, for example:
     
    • Current process (0x30eb00d9) infected with signal 11 (SIGSEGV)
      Address 0x0000000101fa9378 (showE_STMT+0x19c), siginfo (code, address) = (50, 0x00000000deadbb5a)
       
    • Current process (0x55f70058) infected with signal 11 (SIGSEGV)
      Address 0x000000010129c040 (LeDMLOp::_LeDMLShowMode.fdpr.chunk.1(e_stmt*,int,int)+0x44), siginfo (code, address) = (50, 0x00000000deadbac2)

    • Current process (0x32b70436) infected with signal 11 (SIGSEGV)
      Address 0x0x0000000001866c3a (LeDMLOp::_LeDMLShowToTb(int, int)+0x11a), siginfo (code, address) = (1, 0x0x00000000deadbac2)
  • The impacted process was running the procedure sp_showplan (for example: sp_showplan xxxx,null,null,null).
  • The stack trace includes functions showplan or show_plan or both.

  Note: Examples of stack traces are available under Attachments.


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 16.0

Keywords

CR#820627, CR820627, 820627, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers, 820640, CR#820640, CR820640 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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