Description of problem:
ns-slapd crashes during setup phase of tests/suites/plugins/accpol_test.py::test_lastlogin_history_size_zero:


#0  concread::internals::hashmap::node::Meta::is_leaf () at /usr/src/debug/389-ds-base-2.3.4-3.el9.x86_64/vendor/concread/src/internals/hashmap/node.rs:487
#1  concread::internals::hashmap::node::Node<alloc::ffi::c_str::CString, concread::arcache::CacheItem<alloc::ffi::c_str::CString, alloc::ffi::c_str::CString>>::is_leaf<alloc::ffi::c_str::CString, concread::arcache::CacheItem<alloc::ffi::c_str::CString, alloc::ffi::c_str::CString>> () at /usr/src/debug/389-ds-base-2.3.4-3.el9.x86_64/vendor/concread/src/internals/hashmap/node.rs:265
#2  concread::internals::hashmap::cursor::CursorReadOps::search<concread::internals::hashmap::cursor::CursorRead<alloc::ffi::c_str::CString, concread::arcache::CacheItem<alloc::ffi::c_str::CString, alloc::ffi::c_str::CString>>, alloc::ffi::c_str::CString, concread::arcache::CacheItem<alloc::ffi::c_str::CString, alloc::ffi::c_str::CString>, alloc::ffi::c_str::CString> (self=<optimized out>, h=9912299523374171895, k=0x7ff56d3f7f78) at /usr/src/debug/389-ds-base-2.3.4-3.el9.x86_64/vendor/concread/src/internals/hashmap/cursor.rs:188
#3  0x00007ff60288591a in concread::hashmap::HashMapReadTxn<alloc::ffi::c_str::CString, concread::arcache::CacheItem<alloc::ffi::c_str::CString, alloc::ffi::c_str::CString>>::get_prehashed<alloc::ffi::c_str::CString, concread::arcache::CacheItem<alloc::ffi::c_str::CString, alloc::ffi::c_str::CString>, alloc::ffi::c_str::CString> (self=0x7ff568c17110, k=0x7ff56d3f7f78, k_hash=9912299523374171895) at /usr/src/debug/389-ds-base-2.3.4-3.el9.x86_64/vendor/concread/src/hashmap/impl.rs:252
#4  concread::arcache::{impl#12}::get::{closure#1}<alloc::ffi::c_str::CString, alloc::ffi::c_str::CString, alloc::ffi::c_str::CString> () at /usr/src/debug/389-ds-base-2.3.4-3.el9.x86_64/vendor/concread/src/arcache/mod.rs:1826
#5  core::option::Option<&alloc::ffi::c_str::CString>::or_else<&alloc::ffi::c_str::CString, concread::arcache::{impl#12}::get::{closure_env#1}<alloc::ffi::c_str::CString, alloc::ffi::c_str::CString, alloc::ffi::c_str::CString>> (self=<error reading variable: Cannot access memory at address 0x0>, f=...) at /builddir/build/BUILD/rustc-1.69.0-src/library/core/src/option.rs:1539
#6  concread::arcache::ARCacheReadTxn<alloc::ffi::c_str::CString, alloc::ffi::c_str::CString>::get<alloc::ffi::c_str::CString, alloc::ffi::c_str::CString, alloc::ffi::c_str::CString> (self=0x7ff568c170c0, k=0x7ff56d3f7f78) at /usr/src/debug/389-ds-base-2.3.4-3.el9.x86_64/vendor/concread/src/arcache/mod.rs:1804
#7  0x00007ff6027a62da in rslapd::cache::cache_char_read_get (read_txn=read_txn@entry=0x7ff568c170c0, key=key@entry=0x7ff568c1b490) at librslapd/src/cache.rs:111
#8  0x00007ff602706a5b in ndn_cache_lookup (rc=<synthetic pointer>, udn=0x7ff56d3f8020, ndn=0x7ff56d3f81c8, dn_len=<optimized out>, dn=0x7ff568c1b490 "cn=monitor") at ldap/servers/slapd/dn.c:2946
#9  slapi_dn_normalize_ext (src=0x7ff568c1b490 "cn=monitor", src_len=<optimized out>, src_len@entry=0, dest=dest@entry=0x7ff56d3f81c8, dest_len=dest_len@entry=0x7ff56d3f81d0) at ldap/servers/slapd/dn.c:546
#10 0x00007ff602709764 in slapi_sdn_get_dn (sdn=0x7ff56d3f8390) at ldap/servers/slapd/dn.c:2335
#11 slapi_sdn_get_dn (sdn=sdn@entry=0x7ff56d3f8390) at ldap/servers/slapd/dn.c:2321
#12 0x00007ff6027099a8 in slapi_sdn_get_ndn (sdn=0x7ff56d3f8390) at ldap/servers/slapd/dn.c:2369
#13 slapi_sdn_get_ndn (sdn=sdn@entry=0x7ff56d3f8390) at ldap/servers/slapd/dn.c:2360
#14 0x00007ff602709aa2 in slapi_sdn_issuffix (sdn=0x7ff566e00f60, suffixsdn=0x7ff56d3f8390) at ldap/servers/slapd/dn.c:2527
#15 0x00007ff60274f531 in op_shared_search (pb=pb@entry=0x7ff568c00000, send_result=send_result@entry=1) at ldap/servers/slapd/opshared.c:771
#16 0x000056237a1d34cc in do_search (pb=<optimized out>) at ldap/servers/slapd/search.c:410
#17 0x000056237a1c2398 in connection_dispatch_operation (pb=0x7ff568c00000, op=<optimized out>, conn=<optimized out>) at ldap/servers/slapd/connection.c:677
#18 connection_threadmain (arg=<optimized out>) at ldap/servers/slapd/connection.c:1805
#19 0x00007ff60244ac34 in _pt_root (arg=0x7ff5fd019140) at pthreads/../../../../nspr/pr/src/pthreads/ptthread.c:201
#20 0x00007ff60229f822 in start_thread (arg=<optimized out>) at pthread_create.c:443
#21 0x00007ff60223f450 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81


Version-Release number of selected component (if applicable):
389-ds-base-2.3.4-3.el9.x86_64


How reproducible:
always

Steps to Reproduce:
1. Run tests/suites/plugins/accpol_test.py

Actual results:
ns-slapd crashes.

Expected results:
No crash.

Additional info: