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MDEV-22879 SIGSEGV (or hang) in free/my_free

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This bug was already fixed in a previous commit.
Added test case from the MDEV to prove it's fixed.
This commit is contained in:
Monty
2020-10-29 17:06:56 +02:00
parent 85613a3247
commit eb38e7ef60
2 changed files with 42 additions and 0 deletions
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19
mysql-test/main/backup_locks.result
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@ -146,3 +146,22 @@ connection default;
disconnect con1;
show tables;
Tables_in_test
#
# MDEV-22879 SIGSEGV (or hang) in free/my_free from
# _ma_end_block_record (on optimized builds)
#
SET STATEMENT max_statement_time=20 FOR BACKUP LOCK test.t1;
CREATE TABLE IF NOT EXISTS t3 (c1 CHAR(1) BINARY,c2 SMALLINT(10),c3 NUMERIC(1,0), PRIMARY KEY(c1(1))) ENGINE=InnoDB;
ERROR HY000: Can't execute the query because you have a conflicting read lock
BACKUP UNLOCK;
CREATE TABLE IF NOT EXISTS t3 (c1 CHAR(1) BINARY,c2 SMALLINT(10),c3 NUMERIC(1,0), PRIMARY KEY(c1(1))) ENGINE=InnoDB;
SET STATEMENT max_statement_time=20 FOR BACKUP LOCK test.t1;
LOCK TABLES t3 AS a2 WRITE, t3 AS a1 READ LOCAL;
ERROR HY000: Can't execute the given command because you have active locked tables or an active transaction
DROP TABLE t3;
ERROR HY000: Can't execute the query because you have a conflicting read lock
BACKUP UNLOCK;
DROP TABLE t3;
#
# End of MariaDB 10.4 tests
#