Ora-07445 Kerberos configuration [malloc_consolidate()+275] [SIGSEGV] (Doc ID 858812.1)

Last updated on OCTOBER 12, 2016

Applies to:

Advanced Networking Option - Version: 10.2.0.4
This problem can occur on any platform.

Symptoms

After configuring Kerberos authentication ,the login command

SQL> conn / @netxnew

hangs, and the ORA- 7445  error is reported in alert log and trace details have:

ksedmp: internal or fatal error 
ORA-07445: exception encountered: core dump [malloc_consolidate()+275] [SIGSEGV] [Address not mapped to object] [0x2B909EF804A8] [] [] 

Current SQL information unavailable - no session. 

----- Call Stack Trace 
ksedst <- ksedmp <- ssexhd <- restore_rt <- malloc_consolidate  <- int_free <-GI___libc_free <-  nauk5fs_free_ticket <- nauk5fc_free_ap_req <-nauk5k9_rd_req <- nauk5kz_rd_req_simple <- nauk5a_process_rd_req <- nauk5a3recvclientauth <-  nauk5avalidate  <- nau_scn <- na_csrd 
--------------------------------------


The server sqlnet trace shows:

snauk5g_open_file: Opening /etc/keytab.NETX.
snauk5k_lock_file: entry
snauk5k_lock_file: Setting shared lock.
snauk5k_lock_file: exit
snauk5g_open_file: exit
nauk5wj_ktfileint_open: exit
snauk5t_close_file: entry
snauk5k_lock_file: entry
snauk5k_lock_file: Resetting lock.
snauk5k_lock_file: exit
snauk5t_close_file: exit
nauk5fq_free_principal: entry
nauk5fq_free_principal: exit
nauk5ky_rd_req_decoded: Returning 84: Program lacks support for encryption type

Cause

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