2682423 - Signal 11 in site_login_cancel() - SAP ASE

• ASE errorlog contains errors and a stacktrace similar to the following:

kernel  ssl_server_handshake: vsn 2107 kpid 508628194 enp_sslAccept() failed                                        
kernel  ssl_nrpacket: vsn 5646 kpid 535498155 incomplete header                                                     
server  Timed out waiting for login on logical connection 193                                                       
kernel  Current process (0x0) infected with signal 11 (SIGSEGV)                                                     
kernel  Current Process is running on Engine 2                                                                      
kernel  Address 0x0x00000000008a0516 (site_login_cancel+0x13), siginfo (code, address) = (1, 0x0x0000000000000020)  
kernel  **** Saved signal context (0x0x00007f50e4475680): ****                                                      
kernel  uc_flags: 0x1, uc_link: 0x(nil)                                                                             
kernel  uc_sigmask: 0x7bfbf037 0xb 0x1 0x20                                                                         
kernel  uc_stack: ss_sp: 0x(nil), ss_size: 0x0, ss_flags: 0x2                                                       
kernel  General Registers (uc_mcontext.gregs):                                                                      
kernel       PC : 0x00000000008a0516 (site_login_cancel+0x13)                                                       
kernel          RAX : (nil)  RBX : (nil)                                                                            
kernel          RCX : (nil)  RDX : 0x000000014c33f680                                                               
kernel       RBP : 0x00007f50e4475c40  RSP : 0x00007f50e4475c30                                                     
kernel       R8  : 0x000000014dc20a08  R9  : 0x00000000000151b7                                                     
kernel       R10 : 0x000000014d624670  R11 : (nil)                                                                  
kernel       R12 : (nil)  R13 : 0x0000000000000001                                                                  
kernel       R14 : 0x00000000047b4828  R15 : 0x00007f50e4475c50                                                     
kernel       RDI : (nil)  RSI : 0x000000000002e6e6                                                                  
kernel       RIP : 0x00000000008a0516  CSGSFS : 0x0000000000000033                                                  
kernel       TRAPNO : 0x000000000000000e  ERR : 0x0000000000000004                                                  
kernel       EFL : 0x0000000000010206                                                                               
kernel  **** end of signal context ****                                                                             
kernel  Scheduler infected: exiting                                                                                   

• This happened with the HADR system where commit waiting is on.

• SAP Adaptive Server Enterprise (ASE) 
• SAP Adaptive Server Enterprise Cluster Edition (ASE CE)
• jConnect 7.07 

Sybase, SEGV, segment violation, storage access violation, CR815740, CR #15740, 815740 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Bug Filed