IBM Support

IT39576: ASSERT FAILURE AND CRASH OF MSC VP ON SOLARIS 11 WHEN CONNECTINGVIA PAM WITH LDAP

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APAR status

  • Closed as program error.

Error description

  • An assert failure and crash of the MSC VP may occur when using a
    connection configured with PAM and LDAP on some versions of
    Solaris 11. The AF file includes:
    
    Assert Failed: No Exception Handler
    IBM Informix Dynamic Server Version 12.10.FC14
     Who: Session(6, user@host, 18756, 10ab05728)
              Thread(58, sqlexec, 10aac2548, 6)
              File: mtex.c Line: 508
     Results: Exception Caught. Type: MT_EX_OS, Context: mem
     Action: Please notify IBM Informix Technical Support.
    Stack for thread: 58 sqlexec
    
     base: 0x0000000101cab5e0
      len:   65536
       pc: 0x000000010130a468
      tos: 0x0000000101cb8111
    state: running
       vp: 6
    
     base: 0x000000010bded000
      len:   69632
       pc: 0x00000001007bde14
      tos: 0x000000010bdfc581
    state: running
       vp: 6
    
    /lib/sparcv9/libc.so.1 :: _stack_grow + 0x48
    /lib/openssl/default/sparcv9/libcrypto.so.1.0.0 :: RAND_poll +
    0x14
    /lib/openssl/default/sparcv9/libcrypto.so.1.0.0 ::
    ssleay_rand_bytes + 0xfc
    /lib/openssl/default/sparcv9/libssl.so.1.0.0 :: SSL_CTX_new +
    0x2f4
    ... <other stack frames relating to LDAP omitted>
    /usr/lib/security/sparcv9/pam_ldap.so.1 :: authenticate + 0x220
    /usr/lib/security/sparcv9/pam_ldap.so.1 :: pam_sm_authenticate +
    0x320
    /lib/sparcv9/libpam.so.1 :: run_stack + 0x368
    /lib/sparcv9/libpam.so.1 :: pam_authenticate + 0x38
    oninit :: __ifxPAMAuthenticate + 0x4d4
    oninit :: mt_do_call + 0x6c
    oninit :: ifxPAMAuthenticate + 0xa8
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Users of Informix Server prior to 12.10.xC16 and 14.10.xC8.  *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Informix Server 12.10.xC16 or 14.10.xC8.          *
    ****************************************************************
    

Problem conclusion

  • Fixed in Informix Server 12.10.xC16 and 14.10.xC8.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT39576

  • 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

    2022-01-06

  • Closed date

    2023-05-05

  • Last modified date

    2023-05-05

  • 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

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"C10","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
05 May 2023