3086874 - XML query causing signal 11 and stack trace - SAP ASE

• XML query causing signal 11 and stack trace
• There are a number of patterns, most commonly with an XML function in the stack
• The ASE errorlog contains an infected with 11 error
  

  Current process (0xf3007a) infected with signal 11 (SIGSEGV)

• Followed by a stack trace that includes one or more functions, mostly referencing XML code:
  
  PtlXmlQuery::XmlXQueryNext
  xml_session_cleanup
  xml_free_fragment
  XmlSession::getMemoryManager
  bi_xml_xquery_close
  LeXmlTableOp::_LeOpClose

  ubffreef
  kbfalloc
  ubpfcleanup
  kbremove

• It may be preceded by error 712 indicating ASE ran out of heap memory:
  

  Error: 712, Severity: 17, State: 3
  There is insufficient heap memory to allocate 24 bytes. Please increase configuration parameter 'heap memory per user' or try again when there is less activity on the system.

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• SAP Adaptive Server Enterprise (ASE) 
• SAP Adaptive Server Enterprise for Business Suite

SAP Adaptive Server Enterprise 12.5 ; SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 15.7 Cluster Edition ; SAP Adaptive Server Enterprise 16.0 ; Sybase Adaptive Server Enterprise 12.5 ; Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.0 ; Sybase Adaptive Server Enterprise Cluster Edition 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.7

Sybase, infected, signal, SEGV, SIGSEGV, segment violation, storage access violation, kisignal,  CR#824983 , kbremove ,  , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed