IBM Support

LI79451: SIGNAL 5 (SIGTRAP) GENERATED BY LUA WHEN HOST APPL STOPPED

A fix is available

Communications Server for Data Center Deployment, Version 7 -- Latest PTFs/Fixpack

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Communications Server for Data Center Deployment V7
Communications Server for AIX V6.4
Communications Server for Linux V6.4
Communications Server for Linux on System Z V6.4
---------------------------------------------------
When the host application is terminated by the host, the LUA
API returns STATE_CHECK - NO_RUI_SESSION to the local LUA
application and triggers a core dump with a SIGTRAP (signal 5).

Local fix

  • 



Problem summary


    

  • USERS AFFECTED: All using the LUA API.

PROBLEM DESCRIPTION:
A core dump occurs in an LUA application if the application
issues an invalid LUA verb after receiving a return code for
DACTLU or equivalent.

PROBLEM SUMMARY:
Memory was being freed twice due to the invalid LUA verb being
issued.

    



Problem conclusion


    

  • Code has been corrected to prevent the attempt to free memory
twice.

NOTE: This problem is present ONLY on level 7.0.0.3.

    



Temporary fix


    

  • liblua.o

    



Comments


    

  • 



APAR Information




    

  • APAR number
    LI79451
    • 

  • Reported component name
    CS DCD LINUX 7.
    • 

  • Reported component ID
    5725H3201
    • 

  • Reported release
    700
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2017-01-13
    • 

  • Closed date
    2017-01-13
    • 

  • Last modified date
    2017-01-13
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    
IV87542
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    

  • Fixed component name
    CS DCD LINUX 7.
    • 

  • Fixed component ID
    5725H3201
    • 



Applicable component levels


    

  • R700  PSY  
       
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSKK8Z","label":"Communications Server for Data Center Deployment"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"700","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            14 October 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
Page Feedback