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3064651 - Signal 11 in ubpfcleanup or in alt__build_heap - SAP ASE 16.0

Symptom

  • ASE errorlog reports an "Infected with signal 11" error in the function ubpfcleanup with a stack trace:

    Current process (0x112105b2) infected with signal 11 (SIGSEGV)
    Address 0x0x000000000221f46c (ubpfcleanup+0x3c), siginfo (code, address) = (1, 0x(nil))

  • The stack trace includes the following functions:

    ubpfcleanup
    pss__release
    pss_unkeep
    terminate_process
    quitfn
    usrfill

  • Another manifestation of this issue shows signal 11 at address stack alt__build_heap and with stack function including 

          alt__build_heap
          ubpfcleanup
          conn_hdlr_err_cleanup


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Environment

SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 16.0

Keywords

CR 824838, CR#824838, 824838, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace, registers, alt__build_heap, ubpfcleanup , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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