Reported in forum (in Russian) http://www.zabbix.com/forum/showthread.php?p=107384

Affected agent version: 2.0.1
Version 2.0.0 is OK

test# zabbix_agentd -p
agent.hostname [s|test.dom]
...
vfs.fs.discovery [s|{
"data":[
{
"

{#FSNAME}":"\/",
"{#FSTYPE}":"ufs"},
{
"{#FSNAME}

":"\/dev",
"

{#FSTYPE}":"devfs"},
{
"{#FSNAME}":"\/tmp",
"{#FSTYPE}

":"ufs"},
{
"

{#FSNAME}":"\/usr",
"{#FSTYPE}":"ufs"},
{
"{#FSNAME}

":"\/var",
"

{#FSTYPE}":"ufs"},
{
"{#FSNAME}":"\/files",
"{#FSTYPE}

":"ufs"},
{
"

{#FSNAME}

":"\/home",
"

{#FSTYPE}

":"ufs"},]}]
Segmentation fault (core dumped)