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mariadb/mysql-test/suite/encryption/t/innodb_encrypt_freed.test
Thirunarayanan Balathandayuthapani 6e80a34d68 MDEV-24695 Encryption modifies a freed page
During recovery, InnoDB fails if it tries to apply a FREE_PAGE
and WRITE record to the page. InnoDB encryption thread accesses
the freed page and writes redo log for it.

This is similar to commit deadec4e689c9435e20ebb89fd8f84d3f0f90ff3 (MDEV-24569)
InnoDB is missing buf_page_free() while freeing the segment.
To avoid accessing of freed page in buffer pool, InnoDB should
mark the pages as FREED while freeing the segment. Also to
avoid reading of freed page, InnoDB should check the
allocation bitmap page.

fseg_free_step(): Mark the page in buffer pool as FREED

fseg_free_step_not_header(): Mark the page in buffer pool as FREED

buf_dump(): Ignore the freed pages while dumping the buffer pool content

fil_crypt_get_page_throttle_func(): Skip the rotation for FREED page
to avoid the assert failure during recovery

fil_crypt_rotate_page(): Skip the rotation for the freed page

Reviewed-by: Marko Mäkelä
2021-01-28 13:26:34 +05:30

118 lines
4.1 KiB
Plaintext

--source include/have_innodb.inc
--source include/have_example_key_management_plugin.inc
--source include/have_debug.inc
--source include/not_embedded.inc
SHOW VARIABLES LIKE 'innodb_encrypt%';
SET GLOBAL innodb_encrypt_tables = ON;
CREATE TABLE t1(f1 BIGINT PRIMARY KEY, f2 int not null,
f3 int not null, index(f1), index idx_1(f2),
index(f2, f3)) ENGINE=InnoDB;
--let $tables_count= `select count(*) + 1 from information_schema.tables where engine = 'InnoDB'`
--echo # Wait max 10 min for key encryption threads to encrypt all spaces
--let $wait_timeout= 600
--let $wait_condition=SELECT COUNT(*) >= $tables_count FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION <> 0;
--source include/wait_condition.inc
--sorted_result
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION <> 0;
CREATE TABLE t2 (f1 int not null)engine=innodb;
let $restart_parameters="--debug=d,ib_log_checkpoint_avoid";
--source include/restart_mysqld.inc
# Stop the purge
connect(con1,localhost,root,,,);
begin;
insert into t2 values(1);
connection default;
--let $tables_count= `select count(*) + 1 from information_schema.tables where engine = 'InnoDB'`
set global innodb_encrypt_tables = OFF;
--echo # Wait max 10 min for key encryption threads to decrypt all spaces
--let $wait_timeout= 600
--let $wait_condition=SELECT COUNT(*) >= $tables_count FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0;
--source include/wait_condition.inc
--sorted_result
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0;
# Free the index `idx_1`
alter table t1 drop index idx_1;
set global innodb_encrypt_tables = ON;
--echo # Wait max 10 min for key encryption threads to encrypt all spaces
--let $wait_timeout= 600
--let $wait_condition=SELECT COUNT(*) >= $tables_count FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION <> 0;
--source include/wait_condition.inc
--sorted_result
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION <> 0;
disconnect con1;
let $shutdown_timeout=0;
--source include/restart_mysqld.inc
drop table t1, t2;
#
#
CREATE TABLE t1(f1 BIGINT PRIMARY KEY, f2 int not null,
f3 int not null, index(f1), index idx_1(f2),
index(f2, f3)) ENGINE=InnoDB;
--let $tables_count= `select count(*) + 1 from information_schema.tables where engine = 'InnoDB'`
--echo # Wait max 10 min for key encryption threads to encrypt all spaces
--let $wait_timeout= 600
--let $wait_condition=SELECT COUNT(*) >= $tables_count FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION <> 0;
--source include/wait_condition.inc
--sorted_result
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION <> 0;
CREATE TABLE t2 (f1 int not null)engine=innodb;
--source include/restart_mysqld.inc
# Stop the purge
connect(con1,localhost,root,,,);
begin;
insert into t2 values(1);
connection default;
--let $tables_count= `select count(*) + 1 from information_schema.tables where engine = 'InnoDB'`
set global innodb_encrypt_tables = OFF;
--echo # Wait max 10 min for key encryption threads to decrypt all spaces
--let $wait_timeout= 600
--let $wait_condition=SELECT COUNT(*) >= $tables_count FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0;
--source include/wait_condition.inc
--sorted_result
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0;
# Free the index `idx_1`
alter table t1 drop index idx_1;
disconnect con1;
--source include/restart_mysqld.inc
# Stop the purge
connect(con1,localhost,root,,,);
begin;
insert into t2 values(1);
connection default;
set global innodb_encrypt_tables = ON;
--echo # Wait max 10 min for key encryption threads to encrypt all spaces
--let $wait_timeout= 600
--let $wait_condition=SELECT COUNT(*) >= $tables_count FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION <> 0;
--source include/wait_condition.inc
--sorted_result
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION <> 0;
disconnect con1;
drop table t2, t1;