==1402000== 256 bytes in 1 blocks are definitely lost in loss record 1,150 of 1,241
==1402000==    at 0x4885118: malloc (in /usr/libexec/valgrind/vgpreload_memcheck-arm64-linux.so)
==1402000==    by 0x5F24B7: zbx_malloc2 (misc.c:151)
==1402000==    by 0x4CE4DF: zbx_default_mem_malloc_func (algodefs.c:179)
==1402000==    by 0x4D6B87: __vector_uint64_ensure_free_space (vector.c:23)
==1402000==    by 0x4D6D63: zbx_vector_uint64_append (vector.c:23)
==1402000==    by 0x366097: lld_hosts_remove (lld_host.c:4646)
==1402000==    by 0x36A4A3: lld_update_hosts (lld_host.c:5923)
==1402000==    by 0x352637: lld_process_discovery_rule (lld.c:1218)
==1402000==    by 0x34CA1B: lld_process_task (lld_worker.c:87)
==1402000==    by 0x34CFF3: lld_worker_thread (lld_worker.c:242)
==1402000==    by 0x49DC8F: zbx_thread_start (threads.c:124)
==1402000==    by 0x1C579B: server_startup (server.c:1841)

Notice that dis_hostids vector is missing destroy