2620913 - ASE infected with signal 11 (SIGSEGV) in functions com__exctnume_copy or $cold_subparams - SAP ASE and SDK for SAP ASE

• jConnect client connection terminates unexpectedly.
• ASE errorlog contains an 'Infected with signal 11 (SIGSEGV)' sequence
• With one of two different stack traces, in either com__exctnume_copy or $cold_subparams:
  

  Current process (0x5d9f031d) infected with signal 11 (SIGSEGV)
  Address 0x4000000001b15740 ($cold_subparams+0x5a0) ...
  
  Current process (0xdf30263) infected with signal 11 (SIGSEGV)
  kernel Address 0xc0000000004b2320 (com__exctnume_copy+0x6b4), siginfo (code, address)

• Stack trace header may indicate a previous error 12828:
  lasterror = 12828
  
  
• ASE functions in the stack traces reported in errorlog include:
  
  
• $cold_subparams
  $cold_s_setupvar
  s_compile
  curs_compile_at_open
  $cold_s_execute
  sequencer
  tdsrecv_open
  
  or

• com__exctnume_copy
  comnb_numtonum
  srv_numtonum
  relop__retrocast_cnst
  relop__retrocast
  relop__sqlt
  ResRelOp
  Optimize

• The Java stack may report below Exception:
  
  java.sql.SQLException: JZ006: Caught IOException: com.sybase.jdbc4.jdbc.SybConnectionDeadException: JZ0C0: Connection is already closed.
  at com.sybase.jdbc4.jdbc.ErrorMessage.createIOEKilledConnEx(ErrorMessage.java:1152)
  at com.sybase.jdbc4.jdbc.ErrorMessage.raiseErrorCheckDead(ErrorMessage.java:1195)
  at com.sybase.jdbc4.tds.Tds.handleIOE(Tds.java:5340)
  at com.sybase.jdbc4.tds.Tds.handleIOE(Tds.java:5285)
  at com.sybase.jdbc4.tds.Tds.cancel(Tds.java:2519)
  at com.sybase.jdbc4.tds.Tds.cancel(Tds.java:2443)
  at com.sybase.jdbc4.jdbc.SybStatement.doCancel(SybStatement.java:1034)
  at com.sybase.jdbc4.jdbc.SybStatement.batchLoop(SybStatement.java:2362)
  at com.sybase.jdbc4.jdbc.SybStatement.sendBatch(SybStatement.java:2170)
  at com.sybase.jdbc4.jdbc.SybStatement.executeBatch(SybStatement.java:2128)
  at com.sybase.jdbc4.jdbc.SybStatement.executeBatch(SybStatement.java:2046)
  at com.sybase.jdbc4.jdbc.SybPreparedStatement.executeBatch(SybPreparedStatement.java:2092)
  at com.sap.customer.mseb.TinyIntTest.main(TinyIntTest.java:59)

Note: Complete signal 11 stacktraces are attached.

Read more...

• SAP Sybase Adaptive Server Enterprise 15.7
• SAP Sybase Adaptive Server Enterprise 16.0
• SAP Adaptive Server Enterprise SDK 15.7 prior to SP140
• SAP Adaptive Server Enterprise SDK 16.0 SP02 prior to PL08
• SAP Adaptive Server Enterprise SDK 16.0 SP03 prior to PL04
• jConnect Client
• Java
• Connection property 'HOMOGENEOUS_BATCH=true'

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; SAP Adaptive Server Enterprise SDK 16.0 ; Sybase Adaptive Server Enterprise Cluster Edition 15.7 ; Sybase SDK 15.7 ; Sybase Software Developer Kit 15.7

CR811189, 811189, CR#811189, TINYINT, HOMOGENEOUS_BATCH, SEGV, segmentation, storage, access, violation, fault, segfault, kisignal, stacktrace,  stack, registers , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-SDK , SDK , Bug Filed