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3020308 - A select with IN list query reports Infected with signal 11 at s_execclearvar - SAP ASE

Symptom

  • Client process unexpected disconnected while executing a SELECT with an IN LIST
  • The process became a zombie process.
  • sp_who show the status of this connection as "infected".
  • Errorlog contains an "Current process infected with 11" error in the module 's_execclearvar'.
  • The following stacktrace includes the following functions and a message about the spid becoming a zombie:

kisignal
s_execclearvar
s_cleanframe
s_handle

Task 108614427 is made zombie because it cannot be cleaned up during its termination. This task may have resources allocated to it.

  • Error 206 and 215 also observed in the PSS structure from shared memory dump:

    Error 206 : Operand type clash: %s is incompatible with %s


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Environment

 SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 16.0

Keywords

s_execclearvar, zombie, SIGSEGV , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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