From 57fd548d1035b07de1ec3e1a99881d5869ce0c44 Mon Sep 17 00:00:00 2001
From: Eugene Kosov <claprix@yandex.ru>
Date: Fri, 12 Jan 2018 22:45:35 +0300
Subject: [PATCH] SQL: uninitialized read [#387]

rpl.rpl_events sometimes fails in release mode after be81b00c843b4a3335a630afa7200fda6eab8e89

This could be prevented with MSAN
---
 sql/sql_class.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sql/sql_class.cc b/sql/sql_class.cc
index 84fdaf8b1b6..9f6ff7cde34 100644
--- a/sql/sql_class.cc
+++ b/sql/sql_class.cc
@@ -813,6 +813,8 @@ THD::THD(my_thread_id id, bool is_wsrep_applier, bool skip_global_sys_var_lock)
   // Must be reset to handle error with THD's created for init of mysqld
   lex->current_select= 0;
   start_utime= utime_after_query= 0;
+  system_time= 0;
+  system_time_sec_part= 0;
   utime_after_lock= 0L;
   progress.arena= 0;
   progress.report_to_client= 0;