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2822409 - Infected with Signal 11 in ord_getrowbounds when accessing proxy DB

Symptom

  • Client was executing a query accessing a proxy database
  • Client process unexpectedly disconnected
  • Errorlog contains an Infected with Signal 11 error with output similar to the following

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kernel Current process (0x1f0010) infected with signal 11 (SIGSEGV)
kernel Address 0x0000000081126830 (ord_getrowbounds+0x18), siginfo (code, address) = (1, 0x0000000000000014)
kernel **** Saved signal context (0x0000010002aa1140): ****
kernel uc_flags: 0x2f, uc_link: 0x0
kernel uc_sigmask: 0xefbe7877 0xfff7 0x0 0x0
kernel uc_stack: ss_sp: 0xffffffff7b100000, ss_size: 0x2080768, ss_flags: 0x0
kernel General Registers (uc_mcontext.gregs):
kernel PC : 0000000081126830 (ord_getrowbounds+0x18)
kernel Next PC : 0000000081126834 (ord_getrowbounds+0x1c)
kernel CCR : 0000000000000044 Y : 0000000000000000
kernel ASI : 0000000000000082 FPRS : 0000000000000004
kernel g0 : 0000000000000000 g1 : 0000000000001000 g2 : 000000000000bd54
kernel g3 : 000000000000bc00 g4 : 0000000000000000 g5 : 0000000000000004
kernel g6 : 0000000000000000 g7 : ffffffff7cf06240
kernel o0 : 0000000000000000 o1 : 1db0000000000000 o2 : 0000000000001db0
kernel o3 : 0000000000000010 o4 : 000000000000000f o5 : 0000000000001db0
kernel o6 : 0000010002aa0d21 o7 : 0000000000000120
kernel Windowed Registers (from stack frame 0000010002aa1520):
kernel l0 : 0000000000000000 l1 : 0000010002aa15ec l2 : 0000000000000001
kernel l3 : 000001000b5e18e0 l4 : 0000000000001db6 l5 : 0000000000001dca
kernel l6 : 0000000000000000 l7 : 000001000be92000
kernel i0 : 000001000bcb29d8 i1 : 0000010002aa1768 i2 : 0000010002aa1764
kernel i3 : 0000010002aa1760 i4 : 0000010002aa15ee i5 : 0000000000000000
kernel i6 : 0000010002aa0df1 i7 : 0000000081126664
kernel previous stack frame : 0000010002aa15f0
kernel **** end of signal context ****

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There would normally be a stacktrace following this, but in this case there are no functions reported. The only function referenced is the  "ord_getrowbounds" on the "Address" line.


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Environment

SAP Adaptive Server Enterprise (ASE)  

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0

Keywords

ord_getrowbounds proxydb proxy database CR 819791 CR819791 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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