==2017== 1,024 bytes in 1 blocks are definitely lost in loss record 29 of 31
==2017==    at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2017==    by 0x442A0F: zbx_malloc2 (misc.c:575)
==2017==    by 0x447466: zbx_dvsprintf (str.c:738)
==2017==    by 0x4475B3: zbx_dsprintf (str.c:781)
==2017==    by 0x428C70: etypes_to_mask.isra.3.part.4 (dir.c:279)
==2017==    by 0x428F22: etypes_to_mask (dir.c:1175)
==2017==    by 0x428F22: prepare_count_parameters (dir.c:331)
==2017==    by 0x428F22: vfs_dir_count (dir.c:1067)
==2017==    by 0x41CA73: zbx_execute_threaded_metric (sysinfo.c:1759)
==2017==    by 0x41B5BA: process (sysinfo.c:1121)
==2017==    by 0x4124EA: process_listener (listener.c:57)
==2017==    by 0x4124EA: listener_thread (listener.c:145)
==2017==    by 0x4337AD: zbx_thread_start (threads.c:136)
==2017==    by 0x40F68B: MAIN_ZABBIX_ENTRY (zabbix_agentd.c:1077)
==2017==    by 0x43463F: daemon_start (daemon.c:394)
==2017== 
==2017== LEAK SUMMARY:
==2017==    definitely lost: 1,024 bytes in 1 blocks
==2017==    indirectly lost: 0 bytes in 0 blocks
==2017==      possibly lost: 0 bytes in 0 blocks
==2017==    still reachable: 9,896 bytes in 241 blocks
==2017==         suppressed: 0 bytes in 0 blocks
==2017== Reachable blocks (those to which a pointer was found) are not shown.
==2017== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==2017== 
==2017== For counts of detected and suppressed errors, rerun with: -v
==2017== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)