IBM Support

IT35340: DRDA: USING BSON/JSON DATA IN A SIMPLE SELECT MAY CORRUPT THE SERVER MEMORY IN A LARGE RANGE

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APAR status

  • Closed as program error.

Error description

  • A simple select of a BSON data type with a client connected via
DRDA can corrupt memory or
throw an Assert Failed with this stack:

0x00007f7b33a157d2 (/lib64/libc-2.22.so) __memmove_avx_unaligned
0x0000000000bd40da (oninit)
_Z20sqljcWriteBytesSplitP10sqljCmnMgrPvi
0x0000000000c0b929 (oninit)
_Z22sqljsQueryPutDataSplitP13sqljsDrdaAsCbP14db2UCinterfacePciPi
0x0000000000bbbf6f (oninit) SqlPutDataCheck
0x0000000000a5e183 (oninit) drda_putcoldata_checksplit
0x0000000000a60240 (oninit) drda_puttuple
0x00000000005f7cf6 (oninit) exfetch
0x0000000000a468ab (oninit) sql_nfetch
0x0000000000a6d4d6 (oninit) drda_nfetch
0x0000000000bee0f9 (oninit)
_Z16sqljs_ddm_opnqryP14db2UCinterfaceP13sqljDDMObject
0x0000000000bc3b3d (oninit) sqljsParse
0x0000000000bbbc56 (oninit) do_drdamain
0x0000000000b0827a (oninit) drdamain
0x000000000155c9db (oninit) spawn_thread
0x00000000014201b0 (oninit) th_init_initgls
0x0000000001465cc8 (oninit) startup

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC15 and 14.10.xC6.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC15 (when available) or    *
* 14.10.xC6 (when available).                                  *
****************************************************************

    



Problem conclusion


    

  • Fixed in Informix Server 12.10.xC15 and 14.10.xC6.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT35340
    • 

  • Reported component name
    INFORMIX SERVER
    • 

  • Reported component ID
    5725A3900
    • 

  • Reported release
    C10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2020-12-22
    • 

  • Closed date
    2021-05-13
    • 

  • Last modified date
    2021-05-13
    • 





    

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

    • 

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

    • 



Fix information


    

  • Fixed component name
    INFORMIX SERVER
    • 

  • Fixed component ID
    5725A3900
    • 



Applicable component levels


    








      
              
                            

              

              [{"Line of Business":{"code":null,"label":null},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10"}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            14 May 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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