A fix is available
APAR status
Closed as program error.
Error description
Using IBM Explorer for z/OS host, a heap damage due to an error in a file operation (i.e. a request for information of a dataset/member that does not yet exist) may cause the RSE threadpool to crash. In the syslog, the process "time out" is observed prior to the "killed process" message and error CEE0374C with CONDITION=CEE0810S can be seen. In the CEEDUMP, the traceback of the error condition shows the problem in Java_com_ibm_ftt_rse_mvs_server_miners_FFSJNI_getFileInfo from libfekfmain.so. Here is an example of the traceback: Traceback: DSA Entry E Offset Statement Load Mod Program Unit Service Status 1 CEEHDSP +00004A4C CEEPLPKA CEEHDSP HLE77B0 Call 2 CEEHSGLT +00000060 CEEPLPKA CEEHSGLT HLE77B0 Exception 3 CEEVFRST +000000A4 CEEPLPKA CEEVFRST HLE77B0 Call 4 CEEHSMSF +00000072 CEEPLPKA CEEHSMSF HLE77B0 Call 5 Java_com_ibm_ftt_rse_mvs_server_miners_FFSJNI_getFileInfo -27C665F8 libfekfmain.so Call
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: 01.All zExpl and IDz users * **************************************************************** * PROBLEM DESCRIPTION: 01.When operate on a dataset file in a * * sequence of calls, including some * * error cases such as non-existing * * dataset file, RSE threadpool may * * crash. This issue may affect all * * calls that involve a * * getFFSResponse(), especially in * * error cases when pMsg starts to get * * set from init NULL state. * **************************************************************** 01.The pMsg of the FILE_INFO field of the input file handle used in a client command is not reset after used to generate the FFSResponse message and freed. (The field is *char with memloc as needed.) The field is double-freed when the file handle is reused through different JNI calls, pMsg got freed incorrectly when not reset to NULL after being freed.
Problem conclusion
01.Reset the pMsg field to NULL when its memory is freed to flag for the next possible message construction not to free it when it is indeed was not used previously.
Temporary fix
Comments
APAR Information
APAR number
PH34966
Reported component name
EXP FOR Z/OS HO
Reported component ID
5655EXP23
Reported release
311
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2021-03-02
Closed date
2021-03-03
Last modified date
2021-04-01
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
FEJENF70 FEJJCNFG FEJJJCL FEJJMON FEJTSO FEK1SMPE FEK2RCVE FEK3ALOC FEK4ZFS FEK5MKD FEK6DDEF FEK7APLY FEK8ACPT FEK@CERR FEK@CONE FEK@CONF FEK@CUST FEK@DEB FEK@DESC FEK@FLOW FEK@GEN FEK@GENW FEK@ISPF FEK@IVP FEK@IVPD FEK@IVPW FEK@JCN1 FEK@JCNE FEK@JESJ FEK@MAIN FEK@MIGO FEK@OPTE FEK@OPTG FEK@OPTN FEK@PRIM FEK@RSE1 FEK@RSEO FEK@STRT FEK@TAB1 FEK@TAB2 FEK@TAB3 FEK@WRK1 FEK@WRK2 FEK@WRK3 FEK@WRK4 FEK@WRK5 FEKAPPCC FEKAPPCL FEKAPPCX FEKATTR FEKDSI FEKEESX0 FEKFASIZ FEKFATT1 FEKFBLD FEKFCIPH FEKFCLIE FEKFCMOD FEKFCMPR FEKFCMSG FEKFCOMM FEKFCOPY FEKFCOR6 FEKFCORE FEKFDBBF FEKFDBBP FEKFDBG FEKFDBG6 FEKFDBGM FEKFDIR FEKFDIR6 FEKFDIVP FEKFDST0 FEKFDST1 FEKFDST2 FEKFENVF FEKFENVI FEKFENVP FEKFENVR FEKFENVS FEKFEPL FEKFICUL FEKFISPF FEKFIVP0 FEKFIVPA FEKFIVPD FEKFIVPI FEKFIVPJ FEKFIVPT FEKFJESM FEKFJESU FEKFJVM FEKFLATR FEKFLDSI FEKFLDSL FEKFLEOP FEKFLOGS FEKFLPTH FEKFMAI6 FEKFMAIN FEKFMINE FEKFMINS FEKFMNTL FEKFNTCE FEKFOMVS FEKFPATT FEKFPRDS FEKFPTC FEKFRIVP FEKFRMSG FEKFRSES FEKFRSRV FEKFSCMD FEKFSEND FEKFSSL FEKFSTUP FEKFT000 FEKFT001 FEKFT002 FEKFT003 FEKFT004 FEKFT005 FEKFT006 FEKFT007 FEKFT008 FEKFT009 FEKFT010 FEKFT011 FEKFT012 FEKFT013 FEKFT014 FEKFT015 FEKFT016 FEKFT017 FEKFT018 FEKFT019 FEKFT020 FEKFT021 FEKFT022 FEKFT023 FEKFT024 FEKFT025 FEKFT026 FEKFT028 FEKFTIVP FEKFTRKS FEKFTSO FEKFUTIL FEKFVERS FEKFXITA FEKFXITL FEKFZME FEKFZMF FEKFZOS FEKHCONF FEKHCUST FEKHDEB FEKHDESC FEKHFLOW FEKHGEN FEKHISPF FEKHIVP FEKHIVPD FEKHJESJ FEKHMAIN FEKHMIGO FEKHOPTE FEKHOPTN FEKHPRIM FEKHRSE1 FEKHRSEO FEKHSTRT FEKHTAB1 FEKHTAB2 FEKINIT FEKKEYS FEKLOGR FEKLOGS FEKM00 FEKM01 FEKM02 FEKMKDIR FEKMOUNT FEKMSGC FEKMSGS FEKRACF FEKRSED FEKSAPF FEKSAPPL FEKSBPX FEKSCLAS FEKSCLOG FEKSCMD FEKSCPYM FEKSCPYU FEKSDSN FEKSENV FEKSETUP FEKSISPF FEKSJCFG FEKSJCMD FEKSJMON FEKSLPA FEKSPROG FEKSPTKT FEKSRSED FEKSSERV FEKSSTC FEKSSU FEKSUSER FEKXCFGE FEKXCFGI FEKXCFGM FEKXCFGT FEKXMAIN FEKXML
Fix information
Fixed component name
EXP FOR Z/OS HO
Fixed component ID
5655EXP23
Applicable component levels
R310 PSY UI74253
UP21/03/06 P F103
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
[{"Line of Business":{"code":"LOB35","label":"Mainframe SW"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSBDYH","label":"IBM Explorer for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"311"}]
Document Information
Modified date:
02 April 2021