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2811881 - Infected with 11 (SIGSEGV) on proc__setdb_tree - SAP ASE

Symptom

  • Client process unexpectedly disconnects while executing stored procedure
  • ASE errorlog contains infected with 11 (SIGSEGV) error with  the following stack trace

            Current process (0x40f0208) infected with signal 11 (SIGSEGV)
            kernel Address 0x0x0000000001b4d1e1 (proc__setdb_tree+0x121), siginfo (code, address) = (1, 0x0x00007f63222f8a18)

kernel  SQL causing error: sp_hds
kernel  ************************************
server  SQL Text: sp_hds
kernel  curdb = 1 tempdb = 6 pstat = 0x10000 p2stat = 0x101000
kernel  p3stat = 0x800 p4stat = 0x0 p5stat = 0x8 p6stat = 0x11 p7stat = 0x10000
kernel  lasterror = 0 preverror = 0 transtate = 1
kernel  curcmd = 224 program = isql                         
kernel  extended error information: hostname: <hostname> login: <login>
kernel  pc: 0x00000000012813a0 pcstkwalk+0x482()
kernel  pc: 0x0000000001280d5f ucstkgentrace+0x20f()
kernel  pc: 0x000000000127ddb2 ucbacktrace+0x54()
kernel  pc: 0x000000000152d9f2 terminate_process+0x1022()
kernel  pc: 0x00000000012ae414 kisignal+0x67e()
kernel  pc: 0x0000000001b4d1e1 proc__setdb_tree+0x121()
kernel  pc: 0x0000000001b4d2f6 proc__setdb_tree+0x236()
kernel  pc: 0x0000000001b4ce71 proc_setdb+0xd1()
kernel  pc: 0x0000000001b54a05 proc_get+0x5b5()
kernel  pc: 0x0000000001d1dd03 s_getTreeOrPlan+0x1c3()
kernel  pc: 0x0000000001d11e28 execproc+0x278()
kernel  pc: 0x0000000001d018a9 s_execute+0x3dc9()
kernel  pc: 0x0000000001d29c91 sequencer+0xcb1()
kernel  pc: 0x000000000154c2df tdsrecv_language+0x1df()
kernel  pc: 0x00000000015604e8 conn_hdlr+0xf98()
kernel  end of stack trace, spid 19, kpid 68092424, suid 551


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0 SP02 PL07 HF1

Product

SAP Adaptive Server Enterprise 16.0

Keywords

stack trace, stack, infected, proc__setdb_tree, , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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