BUG#31076 (Server crashes when start slave is issued):

Row-based replication crashes when replicating from pre-5.1.22 to 5.1.22
due to an uninitialized variable.


sql/log_event.cc:
  Initializing m_null_bits to null so that it can be detected that it
  was not initialized later.
mysql-test/suite/rpl/r/rpl_bug31076.result:
  New BitKeeper file ``mysql-test/suite/rpl/r/rpl_bug31076.result''
mysql-test/suite/rpl/t/rpl_bug31076.test:
  New BitKeeper file ``mysql-test/suite/rpl/t/rpl_bug31076.test''

1 files changed, 63 insertions, 0 deletions

diff --git a/mysql-test/suite/rpl/r/rpl_bug31076.result b/mysql-test/suite/rpl/r/rpl_bug31076.result
new file mode 100644
index 00000000000..c991b2f1946
--- /dev/null
+++ b/mysql-test/suite/rpl/r/rpl_bug31076.result
@@ -0,0 +1,63 @@
+stop slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+reset master;
+reset slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+start slave;
+CREATE DATABASE track;
+USE track;
+CREATE TABLE `visits` (
+`visits_id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+`myid` varchar(32) NOT NULL DEFAULT '',
+`src` varchar(64) NOT NULL DEFAULT '',
+`ip` int(10) unsigned NOT NULL DEFAULT '0',
+`cc` char(2) NOT NULL DEFAULT '',
+`org` varchar(80) DEFAULT NULL,
+`ref` varchar(255) NOT NULL DEFAULT '',
+`time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+`host` varchar(30) NOT NULL DEFAULT '',
+`entry` varchar(255) NOT NULL DEFAULT '',
+`visit_exit` varchar(255) NOT NULL DEFAULT '',
+`user_id` int(11) unsigned NOT NULL DEFAULT '0',
+`visit_start` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
+PRIMARY KEY (`visits_id`),
+KEY `ip` (`ip`),
+KEY `time` (`time`),
+KEY `user_id` (`user_id`)
+) ENGINE=MyISAM AUTO_INCREMENT=21293381 DEFAULT CHARSET=latin1;
+CREATE TABLE `visits_events` (
+`event_id` mediumint(8) unsigned NOT NULL DEFAULT '0',
+`visit_id` int(11) unsigned NOT NULL DEFAULT '0',
+`timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+`src` varchar(64) NOT NULL DEFAULT '',
+`data` varchar(255) NOT NULL DEFAULT '',
+`visits_events_id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+PRIMARY KEY (`visits_events_id`),
+KEY `event_id` (`event_id`),
+KEY `visit_id` (`visit_id`),
+KEY `data` (`data`)
+) ENGINE=MyISAM AUTO_INCREMENT=33900731 DEFAULT CHARSET=latin1;
+/*!40019 SET @@session.max_insert_delayed_threads=0*/;
+/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
+BINLOG '
+Bk3vRhO0AQAAOAAAALcLyQkAAJlXFwIAAAAABXRyYWNrAA12aXNpdHNfZXZlbnRzAAYJAwcPDwM=
+Bk3vRhe0AQAAWgAAABEMyQkQAJlXFwIAAAEABv/AIE4AvvVDAQZN70YAK0Rvd25sb2Fkcy9NeVNR
+TC00LjEvbXlzcWwtNC4xLjEyYS13aW4zMi56aXBPaAIC
+'/*!*/;
+SET INSERT_ID=21231039/*!*/;
+use track/*!*/;
+SET TIMESTAMP=1190087942/*!*/;
+SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1/*!*/;
+SET @@session.sql_mode=0/*!*/;
+SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8/*!*/;
+SET @@session.time_zone='UTC'/*!*/;
+INSERT INTO visits (myid, user_id, src, ip, cc, org, ref, time, host, entry, visit_exit, visit_start)
+VALUES ('3m3l4rhs6do0sf5p1i9lr94g928a272v', '', '', INET_ATON('71.118.124.98'), '', '', 'http://dev.mysql.com/downloads/connector/j/3.0.html', NULL, 'dev.mysql.com', '/get/Downloads/Connector-J/mysql-connector-java-3.0.17-ga.zip/from/pick', '/get/Downloads/Connector-J/mysql-connector-java-3.0.17-ga.zip/from/pick', NOW())/*!*/;
+Warnings:
+Warning	1366	Incorrect integer value: '' for column 'user_id' at row 1
+SELECT * FROM visits;
+visits_id	myid	src	ip	cc	org	ref	time	host	entry	visit_exit	user_id	visit_start
+21231039	3m3l4rhs6do0sf5p1i9lr94g928a272v		1198947426			http://dev.mysql.com/downloads/connector/j/3.0.html	2007-09-18 03:59:02	dev.mysql.com	/get/Downloads/Connector-J/mysql-connector-java-3.0.17-ga.zip/from/pick	/get/Downloads/Connector-J/mysql-connector-java-3.0.17-ga.zip/from/pick	0	2007-09-18 03:59:02
+SELECT * FROM visits_events;
+event_id	visit_id	timestamp	src	data	visits_events_id
+20000	21231038	2007-09-18 03:59:02		Downloads/MySQL-4.1/mysql-4.1.12a-win32.zip	33712207