2623674 - Signal 11 in LeHashTable::Probe or LeHashPartition::AddTuple - SAP ASE

• A select query with a minus or except clause causes a signal 11 (SIGSEGV) or system exception 0xc0000005 in the module LeHashTable::Probe():
  
  Current process (0x55002b) infected with signal 11 (SIGSEGV)
  Address 0x0x00000000021d82b6 (LeHashTable::Probe(LeAlignedDataRow*, unsigned int*, int) ...

• The stack trace includes modules:
  
  LeHashTable::Probe
  LeHashContext::ProcessTuple
  LeHashContext::GetNext
  LeHashOp::_LeOpNext
  LeEmitSndOp::_LeOpNext
  LePlanNext

  Note: A complete stack trace is available under Attachments.

• Other stack patterns have been reported too, where stack functions include:
  
  - (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

• SAP Adaptive Server Enterprise (ASE) 16.0 SP03
• SAP Adaptive Server Enterprise (ASE) 16.0 SP04

CR814225, 814225, CR#814225, c0000005, hash, union, distinct, merge_union_distinct, merge, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed