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2686315 - ASE Infected with 11 (SIGSEGV) in memfree with function lwp_drop also on stack

Symptom

  • Client connection unexpectedly terminated
  • Errorlog contains an infected with 11 error 

Current process (0xb690091) infected with signal 11 (SIGSEGV)
Address 0x00000001006d58d8 (memfree.fdpr.chunk.5+0x1c)

  • with a stack trace that includes the following functions:

memfree
proc__deallocmem
des__clean
des_objdrop
lwp_drop 


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7 & 16.0
  • SAP Adaptive Server Enterprise Cluster Edition 15.7 & 16.0

Product

SAP Adaptive Server Enterprise 12.5 ; SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 15.7 Cluster Edition ; SAP Adaptive Server Enterprise 16.0 ; Sybase Adaptive Server Enterprise 12.5 ; Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.0 ; Sybase Adaptive Server Enterprise Cluster Edition 15.5 ; Sybase Adaptive Server Enterprise Cluster Edition 15.7

Keywords

Sybase, infected, signal, SEGV, SIGSEGV, segment violation, storage access violation, kisignal , mem_free , dseg_free , 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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