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2727326 - Signal 11 in kbfalloc() under dol__ncinsert() - SAP ASE 16.0

Symptom

  • Client connection unexpectedly terminated.
  • The ASE errorlog contains an "infected with signal 11" error in the module kbfalloc() with a stack trace:

Current process (0x10f506d1) infected with signal 11 (SIGSEGV)
Address 0x0000000080456c5c (kbfalloc+0x11c), sigi nfo (code, address) = (1, 0x0000000000000010)

  • The stack trace includes the following functions:

kbfalloc
ubfallocf
createpool_n_alloc
memallocheap
dol__ncinsert

  Note: A complete stack trace is available under Attachments.

  • The infected spid becomes a zombie thread.


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 16.0

Keywords

Sybase, infected, signal, SEGV, SIGSEGV, segment violation, storage access violation, kisignal, CR817572, CR#817572, 817572, stacktrace , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Bug Filed

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