3142253 - Signal 11 at memmark , may result in stack overflow causing server down - SAP ASE

• ASE errorlog reports a signal 11 at address memmark
• This may be followed by a stack overflow that causes ASE go down:
  Current process (0x511d0669) infected with signal 11 (SIGSEGV)
  Address 0x0x0000000001e4f3cd (memmark+0xd) ...
• with a stack trace including functions
  memmark
  tdsrecv__paramfmt_params
  tdsrecv__dynexec 
• After several more signal 11s with similar patterns and / or including Address (nil), a stack overflow causes ASE to go down
• ... end of stack trace, spid 1234
• Stack overflow detected: limit: 0x0x00000001b18728d0, guardpage: ....
  *** Stack guardword corrupted.

SAP Adaptive Server Enterprise (ASE) 16.0 SP03

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