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2623674 - Stack trace with signal 11 in LeHashTable::Probe or LeHashPartition::AddTuple - SAP ASE

Symptom

  • A select query with minus/except may cause a signal 11 (SIGSEGV) or system exception 0xc0000005 with a stack trace.
  • The stack trace may show the following modules:

LeHashTable::Probe
LeHashContext::ProcessTuple
LeHashContext::GetNext
LeHashOp::_LeOpNext
LeEmitSndOp::_LeOpNext
LePlanNext

  • There are some other stack trace patterns:

- (1) -
LeHashPartition::AddTuple
LeHashTable::Build
LeHashContext::ProcessTuple
LeHashContext::GetNext
LeHashOp::_LeOpNext
LeEmitSndOp::_LeOpNext
LePlanNext

-- (2) -
LeHashTableIter::Set
LeHashBucket::Find
LeHashTable::Probe
LeHashContext::ProcessTuple
LeHashContext::GetNext
LeHashOp::_LeOpNext
LeOperator::LeOpNext
LeEmitSndOp::_LeOpNext
LePlanNext


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Environment

  • SAP Adaptive Server Enterprise (ASE) 16.0 SP03 or later
  • All platforms

Product

SAP Adaptive Server Enterprise 16.0

Keywords

CR 814225, 814225, CR#814225, SIGSEGV, signal 11, 0xc0000005, c0000005, LeHashPartition::AddTuple, LeHashTable::Probe, minus, except, hash_union_distinct, hash union distinct, merge_union_distinct, merge union distinct , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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