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2630662 - Signal 11 in memmove() or __milli_memcpy() - SAP ASE 16.0

Symptom

  • After ASE is upgraded to ASE16.0 SP03 PL03.

  • A client session is terminated with an "Infected with signal 11" error in the module memmove() or __milli_memcpy(), for example:

    • on Linux:

      Current process (0x39001d) infected with signal 11 (SIGSEGV)
      Address 0x0x000000394e8838e7 (memmove+0xa7), siginfo (code, address) = (1, 0x(nil)) 
    • on HP-UX:
       
      Current process (0x3f330223) infected with signal 11 (SIGSEGV)
      Address 0x400000000755ab60 (__milli_memcpy+0x100)
  • The stack trace may include the following modules:

__milli_memcpy
LeAlignedDataRow::readRow
LeCacheRow::freeReadBuf
LeCacheRow:writeRow
LeSQCache::LeCacheInsert

  Note: Samples of complete stack traces are available under Attachments.

  • The problematic SQL has 'outer join' and the 'replicate' function.


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0 SP03

Product

SAP Adaptive Server Enterprise 16.0

Keywords

SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  registers, 814478, CR814478, CR#814478, REPLICATE, traceflag, flag, 510 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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