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2064747 - Signal 11 in OmniQuickPass::generateSelect with show_transformed_sql on - SAP ASE

Symptom

  • User session terminates unexpectedly
  • When running a query involving proxy tables with session option "set show_transformed_sql on"
  • ASE errorlog reports an Infected iwth Signal 11 error at address OmniQuickPass::generateSelect, with log entries looking like (the offsets will vary by platform)
Current process (hex#) infected with signal 11 (SIGSEGV)
Address hex# (OmniQuickPass::generateSelect(tree*, bool)+0x6d)
  • followed by a stacktrace containing some or all of the following functions
OmniQuickPass::generateExpression(tree*, tree*, tree*, int)+0x7aa()

OmniQuickPass::targetlist(tree*, tree*)+0xf1()

OniQuickPass::generateSelect(tree*, bool)+0x94

OmniQuickPass::generateStatement(tree*, SQLBuf*)+0x1ba()

generateTransSQL+0x7f()


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7 ESD#2 and higher
  • CIS / Proxy tables

Product

SAP Adaptive Server Enterprise 15.7

Keywords

Sybase, infected, signal, SEGV, SIGSEGV, segment violation, storage access violation, kisignal, OmniQuickPass::generateExpression , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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