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2105598 - Signal 11 at dbts_ptscmp - SAP ASE


  • User session terminates unexpectedly
  • When running a query to determine free log space using lct_admin() built-in
  • ASE errorlog reports signal 11 at address  dbts_ptscmp with a stack trace containing following top function names:
    • dbts_ptscmp+0x1b()
    • num_logpages+0x784()
    • th_lct_admin+0x1e9()

  • As a result ASE can crash due to hitting stack overflow, with the log showing entries (followed by further stacktraces):
    • *** Stack guardword corrupted.
    • *** Stack corrupted, server aborting.



SAP Adaptive Server Enterprise (ASE) 15.7 SP131


SAP Solution Manager 7.1


dbts_ptscmp , dbts_ptscmp+0x1b , num_logpages, num_logpages+0x784() , num_logpages, th_lct_admin+0x1e9, th_lct_admin+0x1e9(), th_lct_admin , "select lct_admin" , lct_admin, CR776152, CR#776152, 776152 , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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