1972358 - Signal 11 in xml_malloc_heap or bi__xml_query - SAP ASE

• Randomly getting various errors with XML processing.
• A "Infected with signal 11" error:
   
      Current process (0x48150030) infected with signal 11 (SIGSEGV)
      Address 0x0x00000000014c27d4 (kbfalloc+0x4f4), siginfo (code, address) = (2, 0x0x0000000000e85811)
  
  with a stacktrace that includes finctions:
   
       kbfalloc
       ubfallocf
       xml_malloc_heap
       XmlMallocHeap
   
• A timeslice error:
   
       timeslice error: spid 554 exhausted its 'time slice' of 100 milliseconds and additional 'cpu grace time' of 500 ticks (50000 milliseconds).
       It has been marked for termination.
   
  with a stacktrace that insludes functions:
   
       ubfallocf
       bi_xml_xquery_open
       LeXmlTableOp::_LeOpOpen
   
• Possibly a kernel panic with the message:
   
       ulpspinlock: spinlock order violation
   
  with a stacktrace including the following functions:
   
       ulpspinlock
       kballocn
       ub__alloc
       bi__xml_query
   
• A spinlock is not released when the impacted spid is terminated by ASE which brings the ASE server down.

• SAP Adaptive Server Enterprise (ASE) 15.7 prior to SP130
• SAP Adaptive Server Enterprise (ASE) 16.0 GA prior to PL04

Sybase, CR#755644, CR755644, 755644, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  stack, registers, xmlextract, built-in, builtin , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed