Crash occur frequently in MaskingFilterSession::mask_values

1、maxscale.log
2018-11-23 15:21:21 warning: (461) [masking] The rule targeting "jianzhi_crm.jz_finance_assign_order.account_number" matches a column that is not of string type.
2018-11-23 15:21:21 warning: (461) [masking] The rule targeting "jianzhi_crm.jz_finance_assign_order.account_number" matches a column that is not of string type.
2018-11-23 15:21:21 warning: (461) [masking] The rule targeting "jianzhi_crm.jz_finance_assign_order.account_number" matches a column that is not of string type.
2018-11-23 15:21:21 warning: (461) [masking] The rule targeting "jianzhi_crm.jz_finance_assign_order.account_number" matches a column that is not of string type.
2018-11-23 15:21:21 warning: (461) [masking] The rule targeting "jianzhi_crm.jz_finance_assign_order.account_number" matches a column that is not of string type.
2018-11-23 15:21:21 warning: (461) [masking] The rule targeting "jianzhi_crm.jz_finance_assign_order.account_number" matches a column that is not of string type.
2018-11-23 15:21:21 warning: (461) [masking] The rule targeting "jianzhi_crm.jz_finance_assign_order.account_number" matches a column that is not of string type.
2018-11-23 15:21:21 warning: (461) [masking] The rule targeting "jianzhi_crm.jz_finance_assign_order.account_number" matches a column that is not of string type.
2018-11-23 15:21:21 warning: (461) [masking] The rule targeting "jianzhi_crm.jz_finance_assign_order.account_number" matches a column that is not of string type.
2018-11-23 15:21:21 warning: (461) [masking] The rule targeting "jianzhi_crm.jz_finance_assign_order.account_number" matches a column that is not of string type. (subsequent similar messages suppressed for 10000 milliseconds)
2018-11-23 15:21:21 alert : (461) Fatal: MaxScale 2.2.15 received fatal signal 11. Attempting backtrace.
2018-11-23 15:21:21 alert : (461) Commit ID: 62ce6c15dcd45be035ff6a005ca5539ca3d2adc8 System name: Linux Release string: CentOS release 6.5 (Final)
2018-11-23 15:21:21 alert : (461) /usr/bin/maxscale() [0x406f29]: ??:0
2018-11-23 15:21:21 alert : (461) /lib64/libpthread.so.0(+0xf790) [0x7fd3587b0790]: sigaction.c:0
2018-11-23 15:21:21 alert : (461) /usr/lib64/maxscale/libmasking.so(_ZN20MaskingFilterSession11mask_valuesER9ComPacket+0x26b) [0x7fd353a0d73b]: /home/vagrant/MaxScale/server/modules/filter/masking/mysql.hh:247
2018-11-23 15:21:21 alert : (461) /usr/lib64/maxscale/libmasking.so(_ZN20MaskingFilterSession10handle_rowEP5gwbuf+0x58) [0x7fd353a0d9d8]: /home/vagrant/MaxScale/server/modules/filter/masking/maskingfiltersession.cc:269
2018-11-23 15:21:21 alert : (461) /usr/lib64/maxscale/libmasking.so(_ZN20MaskingFilterSession11clientReplyEP5gwbuf+0x105) [0x7fd353a0e0e5]: /home/vagrant/MaxScale/server/modules/filter/masking/maskingfiltersession.cc:99
2018-11-23 15:21:21 alert : (461) /usr/lib64/maxscale/libmasking.so(_ZN8maxscale6FilterI13MaskingFilter20MaskingFilterSessionE11clientReplyEP10mxs_filterP18mxs_filter_sessionP5gwbuf+0xf) [0x7fd353a0c6cf]: /home/vagrant/MaxScale/include/maxscale/filter.hh:288
2018-11-23 15:21:21 alert : (461) /usr/lib64/maxscale/libmariadbbackend.so(+0x45ae) [0x7fd3538015ae]: /home/vagrant/MaxScale/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.c:1018
2018-11-23 15:21:21 alert : (461) /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x5928c) [0x7fd358c8328c]: /home/vagrant/MaxScale/server/core/dcb.cc:3084
2018-11-23 15:21:21 alert : (461) /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x59458) [0x7fd358c83458]: /home/vagrant/MaxScale/server/core/dcb.cc:3176
2018-11-23 15:21:21 alert : (461) /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN8maxscale6Worker15poll_waiteventsEv+0x21b) [0x7fd358cbbebb]: /home/vagrant/MaxScale/server/core/worker.cc:1214
2018-11-23 15:21:21 alert : (461) /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN8maxscale6Worker3runEv+0x121) [0x7fd358cbc191]: /home/vagrant/MaxScale/include/maxscale/log_manager.h:116
2018-11-23 15:21:21 alert : (461) /lib64/libpthread.so.0(+0x7a51) [0x7fd3587a8a51]: pthread_create.c:0
2018-11-23 15:21:21 alert : (461) /lib64/libc.so.6(clone+0x6d) [0x7fd35697293d]: ??:0
2、the table structure
CREATE TABLE `jz_finance_assign_order` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
`bd_id` int(11) NOT NULL DEFAULT '0' COMMENT 'BD的mgmt_userid',
`bd_name` varchar(64) NOT NULL DEFAULT '' COMMENT 'BD姓名',
`bd_email` varchar(64) NOT NULL DEFAULT '' COMMENT 'BD邮箱',
`department_id` int(11) NOT NULL DEFAULT '0' COMMENT 'BD所属部门id',
`department_code` varchar(32) NOT NULL DEFAULT '0' COMMENT 'BD所属部门code',
`post_type` tinyint(4) NOT NULL DEFAULT '0' COMMENT '职位类型：0：普通职位 1：特工任务',
`post_id` int(11) NOT NULL DEFAULT '0' COMMENT '职位id',
`post_title` varchar(128) NOT NULL DEFAULT '' COMMENT '职位名称',
`receipt_id` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '项目收款单id',
`contract_no` varchar(64) NOT NULL DEFAULT '' COMMENT '合同编号 外包全职拓展',
`company_phone` varchar(11) NOT NULL DEFAULT '' COMMENT '商户手机号',
`company_name` varchar(64) NOT NULL DEFAULT '' COMMENT '商户名称',
`transfer_channel` int(11) NOT NULL DEFAULT '1' COMMENT '转账渠道 1支付宝 2银行卡',
`account_number` varchar(64) NOT NULL DEFAULT '' COMMENT '甲方的转账账号',
`trade_no` varchar(64) NOT NULL DEFAULT '' COMMENT '交易流水号',
`trade_no_sub` int(11) NOT NULL DEFAULT '0' COMMENT '交易流水号子码',
`doubao_no` varchar(32) NOT NULL DEFAULT '' COMMENT '豆包号',
`recharge_money` decimal(10,2) NOT NULL DEFAULT '0.00' COMMENT '充值金额',
`service_money` decimal(10,2) NOT NULL DEFAULT '0.00' COMMENT '服务费',
`taxes_money` decimal(10,2) NOT NULL DEFAULT '0.00' COMMENT '税费',
`deposit_amount` decimal(10,2) NOT NULL DEFAULT '0.00' COMMENT '本次保证金金额',
`refund_fee_money` decimal(10,2) NOT NULL DEFAULT '0.00' COMMENT '退款手续费',
`contract_child_id` varchar(32) NOT NULL DEFAULT '' COMMENT '合同子ID',
`remarks` varchar(128) NOT NULL DEFAULT '' COMMENT '备注 由BD填写的',
`do_status` int(11) NOT NULL DEFAULT '0' COMMENT '处理状态 0 待处理 1 处理成功 -1 处理失败',
`ext_status` int(11) NOT NULL DEFAULT '0' COMMENT '扩展状态 0 默认 11 退款 13作废 21已退款 23已作废; 81-cpa充值待划拨；82-cpa充值划拨成功',
`refuse_reason` varchar(128) NOT NULL DEFAULT '' COMMENT '失败原因',
`create_at` int(11) NOT NULL DEFAULT '0' COMMENT '申请时间',
`operate_at` int(11) NOT NULL DEFAULT '0' COMMENT '操作时间',
`income_at` int(11) NOT NULL DEFAULT '0' COMMENT '入账时间',
`b_user_id` int(11) NOT NULL DEFAULT '0' COMMENT '商家userId，B端支付宝转账时用',
`order_type` int(11) NOT NULL DEFAULT '0' COMMENT '资金分别申请单类型 0：crm，1：B端支付宝转账',
`recharge_type` int(11) NOT NULL DEFAULT '0' COMMENT '业务类型，0:正常收款 ,1：B端充值，2：B端发工资3：垫付还款，4：黄金展位广告费，5：铂金展位广告费, 6: 付费零工, 7：项目收款单回款, 8: cpa充值,9:多城市火爆地带,10：资源广告位,11:居间全职RPO 13:钻石广告位（包括渠道钻石）14:优先套餐 15:资金预付 16:淘任务，17:项目垫付回款,18旺才宝职位套餐(年费会员),19无资金分配退款, 20.批量邀约，21:保证金, 22:众包项目',
`ext_type` int(11) NOT NULL DEFAULT '0' COMMENT '扩展类型，1-cpa首次开户/断档充值；2-cpa连续续费充值',
`recharge_info` text COMMENT 'B端充值信息json(account_name:’充值账号名称‘ contact_phone：‘联系电话’)',
`b_call_back` int(11) NOT NULL DEFAULT '0' COMMENT '转账成功后回调B端接口的回调状态（1：成功，2：未成功 ，3：需要回调重试）',
`b_order_id` int(11) NOT NULL DEFAULT '0' COMMENT 'B端转账发工资order_id',
`b_charge_id` int(11) NOT NULL DEFAULT '0' COMMENT 'B端charge_id',
`party_b_company` int(11) NOT NULL DEFAULT '1' COMMENT '乙方公司配置文件1=北京世诚优聘,2=北京新诚优聘',
`finance_assign_order_id` int(11) NOT NULL DEFAULT '0' COMMENT '资金分配单id（退款和作废时有）',
`customer_id` int(11) NOT NULL DEFAULT '0' COMMENT '客户id',
`nonstandard_content` text NOT NULL COMMENT '非标商业产品资金分配单信息',
`user_id` int(11) NOT NULL DEFAULT '0' COMMENT 'B端用户ID',
`company_id` int(11) NOT NULL DEFAULT '0' COMMENT 'B端商户ID',
`images` text COMMENT '确认截图',
`from_transform` int(11) NOT NULL DEFAULT '0' COMMENT '转换生成的资金分配 1钻石转点金',
`transform_ori_id` int(11) NOT NULL DEFAULT '0' COMMENT '转换前原有资金分配id',
`post_type_title` varchar(50) NOT NULL DEFAULT '' COMMENT '职位类目表标题',
`post_type_id` int(11) NOT NULL DEFAULT '0' COMMENT '职位类目表ID',
PRIMARY KEY (`id`),
KEY `idx_company_phone` (`company_phone`),
KEY `idx_account_number` (`account_number`),
KEY `idx_post_id` (`post_id`),
KEY `idx_bd_email` (`bd_email`),
KEY `idx_trade_no` (`trade_no`),
KEY `idx_create_at` (`create_at`),
KEY `idx_operate_at` (`operate_at`),
KEY `idx_b_user_id` (`b_user_id`),
KEY `idx_b_order_id` (`b_order_id`),
KEY `idx_bd_id_income_at` (`bd_id`,`income_at`),
KEY `idx_department_code_do_status_operate_at` (`department_code`,`do_status`,`operate_at`),
KEY `idx_fid_do_status_ext_status` (`finance_assign_order_id`,`do_status`,`ext_status`),
KEY `idx_receipt_id` (`receipt_id`),
KEY `idx_company_id` (`company_id`)
) ENGINE=InnoDB AUTO_INCREMENT=417289 DEFAULT CHARSET=utf8 COMMENT='资金分配申请单'

3、the query sql
select * from `jz_finance_assign_order` where `id` in ('416119', '417042', '416886', '416887', '416938', '416939', '417080', '412101', '415537', '415538', '416667', '417041', '416666', '417042', '417036', '417037', '416641', '414523', '411729', '411728', '415653', '416900', '416899', '416715', '416717', '416119', '416120', '416714', '416716', '415469', '415468', '417081', '417082', '417219', '415455', '415454', '416205', '417204', '417203', '415168', '415167')