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2543180 - Infected with signal 11 at compare_value+0x79 - ASE

Symptom

  • A signal 11 stacktrace occurred while executing a dynamic sql select statement
     
  • The stack captured in the ASE errorlog shows that the failure occurred while values were compared and sorted
      
    kernel  Current process (0x6dc302c2) infected with signal 11 (SIGSEGV)
    kernel  Address 0x0x0000000000e874c9 (compare_value+0x79), siginfo (code, address) = (1, 0x0x0000000000000001)
    kernel  **** Saved signal context (0x0x00007fd657700480): ****
    kernel  uc_flags: 0x0, uc_link: 0x(nil)
    kernel  uc_sigmask: 0x416000 0xb 0x1 0x1
    kernel  uc_stack: ss_sp: 0x(nil), ss_size: 0x0, ss_flags: 0x2
    kernel  General Registers (uc_mcontext.gregs):
    kernel   PC : 0x0000000000e874c9 (compare_value+0x79)
    kernel          RAX : 0x0000000000000003  RBX : 0x00007fda9271a846
    kernel          RCX : 0x0000000000000003  RDX : 0x0000000001d5e588
    kernel   RBP : 0x00007fd657700910  RSP : 0x00007fd6577008e0
    kernel   R8  : 0x0000000000000003  R9  : 0x00007fd71fc66812
    kernel   R10 : (nil)  R11 : 0x0000000000000052
    kernel   R12 : (nil)  R13 : 0x00007fd6e6fe78b0
    kernel   R14 : 0x0000000000000003  R15 : (nil)
    kernel   RDI : 0x0000000000000026  RSI : 0x0000000000000004
    kernel   RIP : 0x0000000000e874c9  CSGSFS : 0x0000000000000033
    kernel   TRAPNO : 0x000000000000000e  ERR : 0x0000000000000004
    kernel   EFL : 0x0000000000010293
    kernel  **** end of signal context ****
    kernel  pc: 0x00000000015e55ab pcstkwalk+0x3a3()
    kernel  pc: 0x00000000015e5083 ucstkgentrace+0x263()
    kernel  pc: 0x00000000015e0fee ucbacktrace+0x50()
    kernel  pc: 0x0000000000784d5c terminate_process+0xa7c()
    kernel  pc: 0x00000000016336d8 kisignal+0x31f()
    kernel  pc: 0x0000000000e874c9 compare_value+0x79()
    kernel  pc: 0x0000000000e84ec1 sortcmp+0x151()
    kernel  pc: 0x0000000000f3d5bb lmlink+0x50b()
    kernel  pc: 0x0000000000e76c7e startsort+0x79e()
    kernel  pc: 0x0000000000e7461a sort+0x8ca()
    kernel  pc: 0x000000000187ba76 LeStoreOp::_buildIndex(ExeCtxt&)+0x24c()
    kernel  pc: 0x000000000187be30 LeStoreOp::_LeOpOpen(ExeCtxt&)+0x1d2()
    kernel  pc: 0x00000000008027d3 LeDMLOp::_LeOpClose(ExeCtxt&)+0x10f3()
    kernel  pc: 0x0000000001876515 LeSequencerOp::_LeOpOpen(ExeCtxt&)+0x55()
    kernel  pc: 0x000000000186fa85 LeRestrictOp::_LeOpOpen(ExeCtxt&)+0x115()
    kernel  pc: 0x0000000000809889 LeEmittOp::_LeOpOpen(ExeCtxt&)+0x99()
    kernel  pc: 0x00000000008113df LeEmitSndOp::_LeOpOpen(ExeCtxt&)+0x1f()
    kernel  pc: 0x00000000007fc4de LePlanOpen+0x1be()
    kernel  pc: 0x0000000000fe0758 exec_lava+0x278()
    kernel  pc: 0x0000000001227cfb s_xoltp_select+0x126b()
    kernel  pc: 0x00000000011d678f sequencer+0x170f()
    kernel  pc: 0x00000000007cf90e tdsrecv__dynexec_xoltp+0x377()
    kernel  pc: 0x00000000007cc775 tdsrecv__dynexec+0x25d()
    kernel  pc: 0x00000000007cac57 tdsrecv_dynamic+0x35a()
    kernel  pc: 0x00000000007ea07d conn_hdlr+0x299d()
    kernel  end of stack trace, spid 2300, kpid 1841496770, suid 1436

 


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Environment

SAP Adaptive Server Enterprise (ASE) 15.7 SP122

Product

SAP Adaptive Server Enterprise 15.7

Keywords

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

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