2602276 - Timeslice in module ps_dl_hilo() results in stack corruption and server crash - SAP ASE | SAP Knowledge Base Article

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2602276 - Timeslice in module ps_dl_hilo() results in stack corruption and server crash - SAP ASE

Symptom

  • ASE reported a timeslice error in the module ps_dl_hilo()

timeslice -501, current process infected at 40000000047cd291 (ps_dl_hilo+0xd1)

  • When a process was running the SELECT TOP 10 statement with "txt_des like'%\x0d%'" in the WHERE clause.
     
  • The stack trace following the timeslice error included functions:

ps_dl_hilo
textpattern
_ZN7LeEvals7LeEvRunE9LeRunModeP10LeRunStacksP9LeDataRowPhPi
_ZN12LeRestrictOp9_LeOpNextER7ExeCtxt
_ZN7LeNLJOp9_LeOpNextER7ExeCtxt
_ZN7LeTopOp9_LeOpNextER7ExeCtxt

  • When ASE was terminating this process, the stack and stack guardword corruptions were detected by ASE:

kernel Stack overflow detected: limit: 0xc000000104facdb0, guardpage: 0xc000000104fafdb0, sp: 0xc000000104fc1620
kernel *** Stack guardword corrupted.

kernel *** Stack corrupted, server aborting.

  • ASE server shutdown. 

Read more...

Environment

SAP Adaptive Server Enterprise (ASE) 16.0 SP02 PL06 HF1

Product

SAP Adaptive Server Enterprise 16.0

Keywords

stackused, text, like, configuration, default, stacktrace , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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