3158485 - Signal 11 in ubofree() when ASE attempted to connect the ASTC task to a remote ASE - SAP ASE

• A process is terminated by ASE.
• This process hit an "infected with signal 11" error in the module ubofree() with a stack trace:
   
      Current process (0x710039) infected with signal 11 (SIGSEGV)
      Address 0x000000010249e1d8 (ubofree.fdpr.chunk.2+0x74), siginfo (code, address) = (51, 0x0000000001612bb6)
   
• The stack trace includes the following functions:
  
      ubofree
      ulreleasespinlock
      usctcondrop
      omni_connect
      astc_h_ase_reconnect
      astc__reconnect
      astc__process_participants
  
      Note: A complete stack trace is available under Attachments.
  
  
• The terminated process doesn't release a spinlock, and ASE crashes:
  

      Spinlocks held by  kpid 7405625
      Spinlock Kernel Spinlock Spinlock at address 0000000161141a00 owned by 7405625

• SAP Adaptive Server Enterprise (ASE) 16.0
• Component Integrated Services (CIS)

SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers, Transaction, Coordinator, kspnlk_pool, cleanup, clean-up , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem