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2369414 - Signal 11 in ubffreef() holding spinlock rmda_spinlock - SAP ASE

Symptom

  • ASE errorlog reports a signal 11 in the module ubffreef() with a stack trace:

Current process (0x74170316) infected with signal 11 (SIGSEGV)
Address 0x0x0000000001808632 (ubffreef+0xf2), siginfo (code, address) = (1, 0x0x000000000000001a)

  • While holding spinlock rmda_spinlock, causing the ASE server to crash:

Spinlock Resource->rmda_spinlock at address 0x00002aaaaea7fb00

  • Stack trace includes the following functions:

ubffreef
fdp_free_memory
fdpsrv_free_rctxs


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7
  • SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 15.7 Cluster Edition ; SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise 16.0 Cluster Edition

Keywords

sybase, CR802213, CR#802213, 802213, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace , KBA , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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