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| author | Marko Mäkelä <marko.makela@mariadb.com> | 2022-09-22 11:18:00 +0300 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2022-09-22 11:18:00 +0300 |
| commit | ce23802c0e4c85018f2141d2ebb0602dc0d3d6d8 (patch) | |
| tree | 9287e0ecd1de4f8665bfa1d1a2427c1aaea2036b /mysql-test/suite/innodb/t | |
| parent | 2d5cfdc570350d663aea52c8f4ca58d481ce8f8e (diff) | |
| download | mariadb-git-ce23802c0e4c85018f2141d2ebb0602dc0d3d6d8.tar.gz | |
MDEV-29600 Memory leak in row_log_table_apply_update()
row_log_table_apply_update(): Free the pcur.old_rec_buf before returning.
It may be allocated by btr_pcur_store_position() inside
btr_blob_log_check_t::check() and btr_store_big_rec_extern_fields().
This memory leak was introduced in
commit 2e814d4702d71a04388386a9f591d14a35980bfe (MariaDB Server 10.2.2)
via mysql/mysql-server@ce0a1e85e24e48b8171f767b44330da635a6ea0a
(MySQL 5.7.5).
Diffstat (limited to 'mysql-test/suite/innodb/t')
| -rw-r--r-- | mysql-test/suite/innodb/t/innodb-table-online.test | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/mysql-test/suite/innodb/t/innodb-table-online.test b/mysql-test/suite/innodb/t/innodb-table-online.test index c48ce6331f2..997b0a5bf10 100644 --- a/mysql-test/suite/innodb/t/innodb-table-online.test +++ b/mysql-test/suite/innodb/t/innodb-table-online.test @@ -388,7 +388,6 @@ SELECT * FROM t1 LIMIT 10; connection con1; ALTER TABLE t1 DISCARD TABLESPACE; -disconnect con1; connection default; SHOW CREATE TABLE t1; @@ -396,6 +395,30 @@ SET DEBUG_SYNC = 'RESET'; SET GLOBAL innodb_monitor_disable = module_ddl; DROP TABLE t1; +--echo # +--echo # MDEV-29600 Memory leak in row_log_table_apply_update() +--echo # + +CREATE TABLE t1 (pk INT PRIMARY KEY, f TEXT) ENGINE=InnoDB; +INSERT INTO t1 SET pk=1; + +connection con1; +SET DEBUG_SYNC = 'row_log_table_apply1_before SIGNAL created WAIT_FOR updated'; +send ALTER TABLE t1 FORCE; + +connection default; +SET DEBUG_SYNC = 'now WAIT_FOR created'; +UPDATE t1 SET f = REPEAT('a', 20000); +SET DEBUG_SYNC = 'now SIGNAL updated'; + +connection con1; +reap; +disconnect con1; + +connection default; +DROP TABLE t1; +SET DEBUG_SYNC = 'RESET'; + # Check that all connections opened by test cases in this file are really # gone so execution of other tests won't be affected by their presence. --source include/wait_until_count_sessions.inc |