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2557756 - Error 632 or Signal 11 in LeAlignedDataRow::readRow() when performing GroupHashing - SAP ASE

Symptom

  • When a query is performing GroupHashing,
  • Error 632 is reported in the ASE errorlog:

Error: 632, Severity: 20, State: 2
Attempt to move memory with an incorrect length of 18216. Maximum allowed length is 16384.

  • Or an "infected with signal 11" error in the module LeAlignedDataRow::readRow() followed by a stack trace is reported in the ASE errorlog:

Current process (0x350d0431) infected with signal 11 (SIGSEGV)
Address 0x0x000000000087970b (LeAlignedDataRow::readRow(unsigned char*, LeVtuple*, LeDRReadMode, int, int, int*)+0xa7), siginfo (code, address) = (128, 0x(nil))

  • The stack trace that comes with Signal1 may include functions:

LeAlignedDataRow::readRow
LeHashBufferReader::GetNext 
LeHashOFileOp::_LeOpNext 
LeHashContext::GetNext 
LeHashOp::_LeOpNext

  Note: A sample of a complete stack trace is available under Attachments.


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Environment

SAP Adaptive Server Enterprise (ASE) 15.7 SP134

Product

SAP Adaptive Server Enterprise 15.7

Keywords

CR806999,CR#806999, 806999, corrupted, plan, group_hashing, group, hashing, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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