3585398 - Signal 11 at address mem_haschunk with ASE crash - SAP ASE

• ASE errorlog reports an "intected with signal 11" error in the module mem_haschunk together with a stack trace:
  
  Current process (0x68ad0055) infected with signal 11 (SIGSEGV)
  Address 0x0x0000000001ae401c (mem_haschunk+0xc), siginfo (code, address) = (128, 0x(nil))
  
  
• As a result ASE shuts downs because the spid is holding spinlock rprocmgr_spin:
  
  Spinlock Resource->rprocmgr_spin at address 0x00007f69b50eb780 owned by 1756168277

• The stack trace includes some or all of these modules:
  
  mem_haschunk
  mem_getpages
  memalloc
  memalloc_zero
  freeprocs
  
  Note: A complete stack trace is available under Attachments in file Signal_11_mem_haschunck_Full_Sequence.txt.

SAP Adaptive Server Enterprise (ASE) 16 SP04

mem_haschunk+0xc , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed