Unexpected memory growth is observed and the asan analysis shows there is a memory leak.

RHEL 9.5
RHDS 12.5 
389-ds-base-2.5.2-9.el9_5.x86_64                            Tue May  6 10:45:11 2025

- Memory growth is observed day by day as per the SAR report. 

- Memory leak is observed with asan report : 

=================================================================
==3495765==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 39634 byte(s) in 5662 object(s) allocated from:
    #0 0x7f913d0b4a07 in __interceptor_malloc (/usr/lib64/libasan.so.6+0xb4a07)
    #1 0x7f913ccd1948 in slapi_ch_malloc (/usr/lib64/dirsrv/libslapd.so.0+0xd1948)
    #2 0x7f913ccead6c in slapi_entry_attr_get_charptr (/usr/lib64/dirsrv/libslapd.so.0+0xead6c)
    #3 0x7f9135a31208 in roles_cache_create_object_from_entry ldap/servers/plugins/roles/roles_cache.c:1118
    #4 0x7f9135a31208 in roles_cache_create_role_under ldap/servers/plugins/roles/roles_cache.c:998
    #5 0x7f9135a318aa in roles_cache_add_entry_cb ldap/servers/plugins/roles/roles_cache.c:964
    #6 0x7f913cd4b0af in send_ldap_search_entry_ext (/usr/lib64/dirsrv/libslapd.so.0+0x14b0af)
    #7 0x7f913cd4b473 in send_ldap_search_entry (/usr/lib64/dirsrv/libslapd.so.0+0x14b473)
    #8 0x7f913cd791bd in send_results_ext.constprop.0 (/usr/lib64/dirsrv/libslapd.so.0+0x1791bd)
    #9 0x7f913cd2a110 in op_shared_search (/usr/lib64/dirsrv/libslapd.so.0+0x12a110)
    #10 0x7f913cd37eec in search_internal_callback_pb (/usr/lib64/dirsrv/libslapd.so.0+0x137eec)
    #11 0x7f9135a32549 in roles_cache_add_roles_from_suffix ldap/servers/plugins/roles/roles_cache.c:936
    #12 0x7f9135a32637 in roles_cache_init ldap/servers/plugins/roles/roles_cache.c:210
    #13 0x7f9135a327e8 in roles_start ldap/servers/plugins/roles/roles_plugin.c:174
    #14 0x7f913cd33222 in plugin_call_func.lto_priv.0 (/usr/lib64/dirsrv/libslapd.so.0+0x133222)
    #15 0x7f913cd34eaf in plugin_startall (/usr/lib64/dirsrv/libslapd.so.0+0x134eaf)
    #16 0x5568ccfad896  (/usr/sbin/ns-slapd+0x25896)
    #17 0x7f913c8295cf in __libc_start_call_main (/lib64/libc.so.6+0x295cf)
    #18 0x7f913c82967f in __libc_start_main@GLIBC_2.2.5 (/lib64/libc.so.6+0x2967f)
    #19 0x5568ccfaec14  (/usr/sbin/ns-slapd+0x26c14)

Direct leak of 2944 byte(s) in 92 object(s) allocated from:
    #0 0x7f913d0b4a07 in __interceptor_malloc (/usr/lib64/libasan.so.6+0xb4a07)
    #1 0x7f913ccd1948 in slapi_ch_malloc (/usr/lib64/dirsrv/libslapd.so.0+0xd1948)
    #2 0x7f913ccdc295 in csnset_add_csn (/usr/lib64/dirsrv/libslapd.so.0+0xdc295)
    #3 0x7f913ccdc3ae in csnset_dup (/usr/lib64/dirsrv/libslapd.so.0+0xdc3ae)
    #4 0x7f913cd72927 in valueset_update_csn_for_valuearray_ext (/usr/lib64/dirsrv/libslapd.so.0+0x172927)
    #5 0x7f913cd7fb30 in entry_delete_present_values_wsi.isra.0 (/usr/lib64/dirsrv/libslapd.so.0+0x17fb30)
    #6 0x7f913ccf06f9 in entry_apply_mod_wsi (/usr/lib64/dirsrv/libslapd.so.0+0xf06f9)
    #7 0x7f913ccf082d in entry_apply_mods_wsi (/usr/lib64/dirsrv/libslapd.so.0+0xf082d)
    #8 0x7f9135e03cd3 in modify_apply_check_expand ldap/servers/slapd/back-ldbm/ldbm_modify.c:360
    #9 0x7f9135e07268 in ldbm_back_modify ldap/servers/slapd/back-ldbm/ldbm_modify.c:790
    #10 0x7f913cd1ea35 in op_shared_modify (/usr/lib64/dirsrv/libslapd.so.0+0x11ea35)
    #11 0x7f913cd1ffbc in do_modify (/usr/lib64/dirsrv/libslapd.so.0+0x11ffbc)
    #12 0x5568ccfb6d97 in connection_dispatch_operation ldap/servers/slapd/connection.c:658
    #13 0x5568ccfb6d97 in connection_threadmain ldap/servers/slapd/connection.c:1925
    #14 0x7f913da2ac33 in _pt_root (/lib64/libnspr4.so+0x2cc33)
    #15 0x7f913c8897e1 in start_thread (/lib64/libc.so.6+0x897e1)
    #16 0x7f913c90e7ff in __clone3 (/lib64/libc.so.6+0x10e7ff)

Direct leak of 80 byte(s) in 5 object(s) allocated from:
    #0 0x7f913d0b4db8 in __interceptor_realloc (/usr/lib64/libasan.so.6+0xb4db8)
    #1 0x7f913dabebe4 in ber_memrealloc_x (/lib64/liblber.so.2+0x7be4)
    #2 0x7f913dae01d1 in ldap_pvt_get_controls (/lib64/libldap.so.2+0x171d1)
    #3 0x7f913dae8332 in ldap_parse_result (/lib64/libldap.so.2+0x1f332)
    #4 0x7f9135b4ee47 in conn_read_result_ex ldap/servers/plugins/replication/repl5_connection.c:479
    #5 0x7f9135b5798f in repl5_inc_result_threadmain ldap/servers/plugins/replication/repl5_inc_protocol.c:269
    #6 0x7f913da2ac33 in _pt_root (/lib64/libnspr4.so+0x2cc33)
    #7 0x7f913c8897e1 in start_thread (/lib64/libc.so.6+0x897e1)
    #8 0x7f913c90e7ff in __clone3 (/lib64/libc.so.6+0x10e7ff)

Indirect leak of 160 byte(s) in 5 object(s) allocated from:
    #0 0x7f913d0b4bd7 in calloc (/usr/lib64/libasan.so.6+0xb4bd7)
    #1 0x7f913dabea3c in ber_memcalloc_x (/lib64/liblber.so.2+0x7a3c)
    #2 0x7f913dae01b7 in ldap_pvt_get_controls (/lib64/libldap.so.2+0x171b7)
    #3 0x7f913dae8332 in ldap_parse_result (/lib64/libldap.so.2+0x1f332)
    #4 0x7f9135b4ee47 in conn_read_result_ex ldap/servers/plugins/replication/repl5_connection.c:479
    #5 0x7f9135b5798f in repl5_inc_result_threadmain ldap/servers/plugins/replication/repl5_inc_protocol.c:269
    #6 0x7f913da2ac33 in _pt_root (/lib64/libnspr4.so+0x2cc33)
    #7 0x7f913c8897e1 in start_thread (/lib64/libc.so.6+0x897e1)
    #8 0x7f913c90e7ff in __clone3 (/lib64/libc.so.6+0x10e7ff)

Indirect leak of 120 byte(s) in 5 object(s) allocated from:
    #0 0x7f913d0b4a07 in __interceptor_malloc (/usr/lib64/libasan.so.6+0xb4a07)
    #1 0x7f913dabdf14 in ber_memalloc_x (/lib64/liblber.so.2+0x6f14)
    #2 0x7f913dabdfdf in ber_get_stringbv (/lib64/liblber.so.2+0x6fdf)
    #3 0x7f913dabe41d in ber_get_stringa (/lib64/liblber.so.2+0x741d)
    #4 0x7f913dac098d in ber_scanf (/lib64/liblber.so.2+0x998d)
    #5 0x7f913dae0201 in ldap_pvt_get_controls (/lib64/libldap.so.2+0x17201)
    #6 0x7f913dae8332 in ldap_parse_result (/lib64/libldap.so.2+0x1f332)
    #7 0x7f9135b4ee47 in conn_read_result_ex ldap/servers/plugins/replication/repl5_connection.c:479
    #8 0x7f9135b5798f in repl5_inc_result_threadmain ldap/servers/plugins/replication/repl5_inc_protocol.c:269
    #9 0x7f913da2ac33 in _pt_root (/lib64/libnspr4.so+0x2cc33)
    #10 0x7f913c8897e1 in start_thread (/lib64/libc.so.6+0x897e1)
    #11 0x7f913c90e7ff in __clone3 (/lib64/libc.so.6+0x10e7ff)

Indirect leak of 15 byte(s) in 5 object(s) allocated from:
    #0 0x7f913d0b4a07 in __interceptor_malloc (/usr/lib64/libasan.so.6+0xb4a07)
    #1 0x7f913dabdf14 in ber_memalloc_x (/lib64/liblber.so.2+0x6f14)
    #2 0x7f913dabdfdf in ber_get_stringbv (/lib64/liblber.so.2+0x6fdf)
    #3 0x7f913dac0a09 in ber_scanf (/lib64/liblber.so.2+0x9a09)
    #4 0x7f913dae026b in ldap_pvt_get_controls (/lib64/libldap.so.2+0x1726b)
    #5 0x7f913dae8332 in ldap_parse_result (/lib64/libldap.so.2+0x1f332)
    #6 0x7f9135b4ee47 in conn_read_result_ex ldap/servers/plugins/replication/repl5_connection.c:479
    #7 0x7f9135b5798f in repl5_inc_result_threadmain ldap/servers/plugins/replication/repl5_inc_protocol.c:269
    #8 0x7f913da2ac33 in _pt_root (/lib64/libnspr4.so+0x2cc33)
    #9 0x7f913c8897e1 in start_thread (/lib64/libc.so.6+0x897e1)
    #10 0x7f913c90e7ff in __clone3 (/lib64/libc.so.6+0x10e7ff)

SUMMARY: AddressSanitizer: 42953 byte(s) leaked in 5774 allocation(s).

- Disabled transparent huge pages.