MDEV-18874 : Galera test MW-286 causes Mutex = TTASEventMutex<GenericPolicy>]: Assertion `!is_owned()' failed. assertion

MDEV-24649 galera.galera_bf_lock_wait MTR failed with sigabrt: Assertion `!is_ow
ned()' failed in sync0policy.ic on MutexDebug with Mutex = TTASEventMutex<GenericPolicy>

Bug was fixed as part of MDEV-23328, this just adds test cases to
regression set.

mysql-test/suite/galera/disabled.def

@@ -10,12 +10,10 @@
 #
 ##############################################################################
 
-MW-286 : MDEV-18464 Killing thread can cause mutex deadlock if done concurrently with Galera/replication victim kill
 MW-328A : MDEV-22666 galera.MW-328A MTR failed: "Semaphore wait has lasted > 600 seconds" and do not release port 16002
 MW-328B : MDEV-22666 galera.MW-328A MTR failed: "Semaphore wait has lasted > 600 seconds" and do not release port 16002
 MW-329 : MDEV-19962 Galera test failure on MW-329
 galera_as_slave_replication_bundle : MDEV-15785 OPTION_GTID_BEGIN is set in Gtid_log_event::do_apply_event()
-galera_bf_lock_wait : MDEV-24649 galera.galera_bf_lock_wait MTR failed with sigabrt: Assertion `!is_owned()' failed in sync0policy.ic on MutexDebug with Mutex = TTASEventMutex<GenericPolicy>
 galera_binlog_stmt_autoinc : MDEV-19959 Galera test failure on galera_binlog_stmt_autoinc	
 galera_concurrent_ctas : MDEV-24842 Galera test failure on galera_concurrent_ctas
 galera_gcache_recover_manytrx : MDEV-18834 Galera test failure

mysql-test/suite/galera/r/galera_bf_kill.result

@@ -0,0 +1,50 @@
+connection node_2;
+CREATE TABLE t1(a int not null primary key auto_increment,b int) engine=InnoDB;
+insert into t1 values (NULL,1);
+connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2;
+connection node_2a;
+begin;
+update t1 set a = 5;
+connection node_2;
+select * from t1;
+a	b
+2	1
+disconnect node_2a;
+connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2;
+connection node_2a;
+begin;
+update t1 set a =5;
+connection node_2;
+select * from t1;
+a	b
+2	1
+disconnect node_2a;
+connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2;
+connection node_2a;
+begin;
+update t1 set a =5, b=2;
+connection node_2;
+ALTER TABLE t1 ADD UNIQUE KEY b1(b);
+ALTER TABLE t1 DROP KEY b1;
+select * from t1;
+a	b
+2	1
+disconnect node_2a;
+connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2;
+connection node_2a;
+begin;
+update t1 set a =5, b=2;
+connect node_2b, 127.0.0.1, root, , test, $NODE_MYPORT_2;
+connection node_2b;
+begin;
+update t1 set a =6, b=7;
+connection node_2;
+ALTER TABLE t1 ADD UNIQUE KEY b2(b);
+ALTER TABLE t1 DROP KEY b2;
+select * from t1;
+a	b
+2	1
+disconnect node_2a;
+disconnect node_2b;
+connection node_1;
+drop table t1;

mysql-test/suite/galera/t/galera_bf_kill.test

@@ -0,0 +1,74 @@
+--source include/galera_cluster.inc
+--source include/have_innodb.inc
+#
+# Test case 1: Start a transaction on node_2a and kill it
+# from other connection on same node
+#
+--connection node_2
+CREATE TABLE t1(a int not null primary key auto_increment,b int) engine=InnoDB;
+insert into t1 values (NULL,1);
+--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
+--connection node_2a
+begin;
+update t1 set a = 5;
+--connection node_2
+--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1
+--source include/wait_condition.inc
+--let $k_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1`
+--disable_query_log
+--eval KILL $k_thread
+--enable_query_log
+select * from t1;
+--disconnect node_2a
+#
+# Test case 2: Start a transaction on node_2a and use
+# kill query from other connection on same node
+#
+--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
+--connection node_2a
+begin;
+update t1 set a =5;
+--connection node_2
+--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1
+--source include/wait_condition.inc
+--let $k_thread = `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'root' AND COMMAND = 'Sleep' LIMIT 1`
+--disable_query_log
+--eval KILL QUERY $k_thread
+--enable_query_log
+select * from t1;
+--disconnect node_2a
+#
+# Test case 3: Start a transaction on node_2a and start a DDL on other transaction
+# that will then abort node_2a transaction
+#
+--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
+--connection node_2a
+begin;
+update t1 set a =5, b=2;
+--connection node_2
+ALTER TABLE t1 ADD UNIQUE KEY b1(b);
+ALTER TABLE t1 DROP KEY b1;
+select * from t1;
+--disconnect node_2a
+#
+# Test case 4: Start a transaction on node_2a and conflicting transaction on node_2b
+# and start a DDL on other transaction that will then abort node_2a and node_2b
+# transactions
+#
+--connect node_2a, 127.0.0.1, root, , test, $NODE_MYPORT_2
+--connection node_2a
+begin;
+update t1 set a =5, b=2;
+--connect node_2b, 127.0.0.1, root, , test, $NODE_MYPORT_2
+--connection node_2b
+begin;
+send update t1 set a =6, b=7;
+--connection node_2
+ALTER TABLE t1 ADD UNIQUE KEY b2(b);
+ALTER TABLE t1 DROP KEY b2;
+select * from t1;
+--disconnect node_2a
+--disconnect node_2b
+
+--connection node_1
+drop table t1;