*** Error in `/usr/sbin/zabbix_server: alerter [sending alerts]': realloc(): invalid next size: 0x00007f09247c5030 ***
======= Backtrace: =========/lib64/libc.so.6(+0x7f5d4)
[0x7f091f9395d4]/lib64/libc.so.6(+0x83bd8)
[0x7f091f93dbd8]/lib64/libc.so.6(realloc+0x1d2)
[0x7f091f93f832]/usr/sbin/zabbix_server: alerter [sending alerts](zbx_realloc2+0x4e)
[0x7f09231a04a8]/usr/sbin/zabbix_server: alerter [sending alerts](substitute_simple_macros+0x4cee)
[0x7f092315f450]/usr/sbin/zabbix_server: alerter [sending alerts](execute_action+0x40b)
[0x7f0923103933]/usr/sbin/zabbix_server: alerter [sending alerts](alerter_thread+0x3a3)
[0x7f0923103ef4]/usr/sbin/zabbix_server: alerter [sending alerts](zbx_thread_start+0x37)
[0x7f09231995d5]/usr/sbin/zabbix_server: alerter [sending alerts](MAIN_ZABBIX_ENTRY+0x69f)
[0x7f0923102fb5]/usr/sbin/zabbix_server: alerter [sending alerts](daemon_start+0x32f)
[0x7f09231979ed]/usr/sbin/zabbix_server: alerter [sending alerts](main+0x2b5)
[0x7f0923102914]/lib64/libc.so.6(__libc_start_main+0xf5)
[0x7f091f8dc3d5]/usr/sbin/zabbix_server: alerter [sending alerts](+0x2c699)
[0x7f09230fb699]======= Memory map: ========