Major Proxy built from trunk@66673 crashes on configuration update:
15939:20170323:135520.199 === Backtrace: === 15939:20170323:135520.199 15: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](zbx_log_fatal_info+0x1a6) [0x45c2a6] 15939:20170323:135520.199 14: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data]() [0x45c786] 15939:20170323:135520.199 13: /lib/x86_64-linux-gnu/libc.so.6(+0x354a0) [0x7f429c8e44a0] 15939:20170323:135520.199 12: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data]() [0x4b82f7] 15939:20170323:135520.199 11: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](zbx_db_dyn_escape_string+0x15) [0x4b8f05] 15939:20170323:135520.199 10: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](zbx_db_insert_add_values_dyn+0x91) [0x48b841] 15939:20170323:135520.199 9: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](process_proxyconfig+0x140e) [0x490a6e] 15939:20170323:135520.199 8: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](recv_proxyconfig+0x98) [0x4212f8] 15939:20170323:135520.199 7: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data]() [0x41fe50] 15939:20170323:135520.199 6: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](trapper_thread+0x19a) [0x420a7a] 15939:20170323:135520.199 5: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](zbx_thread_start+0x45) [0x465085] 15939:20170323:135520.199 4: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](MAIN_ZABBIX_ENTRY+0x5d4) [0x414d34] 15939:20170323:135520.199 3: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](daemon_start+0x1bf) [0x45ba4f] 15939:20170323:135520.199 2: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](main+0x566) [0x413a86] 15939:20170323:135520.199 1: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0) [0x7f429c8cf830] 15939:20170323:135520.199 0: src/zabbix_proxy/zabbix_proxy: trapper #2 [processing data](_start+0x29) [0x413e99]