SEGV in ha_innobase::discard_or_import_tablespace

worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 16000..16019

SET SESSION sql_mode = 'NO_ENGINE_SUBSTITUTION' ;

SET DEFAULT_STORAGE_ENGINE= 'InnoDB' ;

USE test ;

CREATE TABLE `t1` (

`col_varchar_255` varchar(255),

`col_int` int,

`col_text` text) ENGINE=innodb ;

FLUSH TABLES t1 FOR EXPORT ;

UNLOCK TABLES ;

CREATE TABLE imp_t1 LIKE t1 ;

ALTER TABLE imp_t1 ADD KEY idx ( col_text(13) ) ;

'copy ibd file around'

ALTER TABLE imp_t1 DISCARD TABLESPACE ;

ALTER TABLE imp_t1 IMPORT TABLESPACE ;

ERROR HY000: Got error 194 "Tablespace is missing for a table" from storage engine InnoDB

'copy ibd file around'

ALTER TABLE imp_t1 IMPORT TABLESPACE ;

ERROR HY000: Lost connection to server during query

DROP TABLE t1, imp_t1 ;

main.ML_import1 'innodb'                 [ fail ]

        Test ended at 2021-07-12 09:31:01

CURRENT_TEST: main.ML_import1

/data/Server_bin/10.6G_fast/bin/mysqltest: Can't create/write to file '/data/Server_bin/10.6G_fast/mysql-test/var/mysqld.1/data/test/imp_t1.ibd' (Errcode: 17 "File exists")

mysqltest: At line 35: query 'DROP TABLE t1, imp_t1 ' failed: <Unknown> (2006): Server has gone away

...

2021-07-12  9:31:00 0 [Note] /data/Server_bin/10.6G_fast/bin/mariadbd: ready for connections.

Version: '10.6.3-MariaDB-log'  socket: '/data/Server_bin/10.6G_fast/mysql-test/var/tmp/mysqld.1.sock'  port: 16000  Source distribution

2021-07-12  9:31:00 4 [Note] InnoDB: Sync to disk of `test`.`t1` started.

2021-07-12  9:31:00 4 [Note] InnoDB: Stopping purge

2021-07-12  9:31:00 4 [Note] InnoDB: Writing table metadata to './test/t1.cfg'

2021-07-12  9:31:00 4 [Note] InnoDB: Table `test`.`t1` flushed to disk

2021-07-12  9:31:00 4 [Note] InnoDB: Deleting the meta-data file './test/t1.cfg'

2021-07-12  9:31:00 4 [Note] InnoDB: Resuming purge

2021-07-12  9:31:00 4 [ERROR] InnoDB: Operating system error number 2 in a file operation.

2021-07-12  9:31:00 4 [ERROR] InnoDB: The error means the system cannot find the path specified.

2021-07-12  9:31:00 4 [ERROR] InnoDB: Trying to import a tablespace, but could not open the tablespace file ./test/imp_t1.ibd

2021-07-12  9:31:00 4 [Note] InnoDB: Discarding tablespace of table `test`.`imp_t1`: Tablespace not found

2021-07-12  9:31:00 4 [Note] InnoDB: Sync to disk

2021-07-12  9:31:00 4 [Note] InnoDB: Sync to disk - done!

2021-07-12  9:31:00 4 [Warning] InnoDB: Table `test`.`imp_t1` should have 2 indexes but the tablespace has 1 indexes

2021-07-12  9:31:00 4 [Note] InnoDB: Phase I - Update all pages

2021-07-12  9:31:00 4 [Note] InnoDB: Sync to disk

2021-07-12  9:31:00 4 [Note] InnoDB: Sync to disk - done!

2021-07-12  9:31:00 4 [Warning] InnoDB: Skip adjustment of root pages for index `idx`.

2021-07-12  9:31:00 4 [Note] InnoDB: Phase III - Flush changes to disk

2021-07-12  9:31:00 4 [Note] InnoDB: Phase IV - Flush complete

2021-07-12  9:31:00 4 [ERROR] InnoDB: Index `idx` of table `test`.`imp_t1` is corrupted

2021-07-12  9:31:00 4 [Note] InnoDB: Load corrupted index `idx` of table `test`.`imp_t1`

2021-07-12  9:31:00 4 [ERROR] InnoDB: Trying to load index `idx` for table `test`.`imp_t1`, but the index tree has been freed!

2021-07-12  9:31:00 4 [Warning] InnoDB: Failed to load table `test`.`imp_t1`:Data structure corruption

210712  9:31:00 [ERROR] mysqld got signal 11 ;

...

Query (0x7f3bbc010650): ALTER TABLE imp_t1 IMPORT TABLESPACE

Connection ID (thread ID): 4

Status: NOT_KILLED

#3  <signal handler called>

#4  0x000055c41ab763e0 in ha_innobase::discard_or_import_tablespace (this=0x7f3bbc0baa70, discard=<optimized out>) at /data/Server/10.6G/storage/innobase/handler/ha_innodb.cc:13201

#5  0x000055c41a77ff96 in mysql_discard_or_import_tablespace (thd=thd@entry=0x7f3bbc000c58, table_list=table_list@entry=0x7f3bbc010740, discard=<optimized out>) at /data/Server/10.6G/sql/sql_table.cc:5463

#6  0x000055c41a7ebe54 in Sql_cmd_discard_import_tablespace::execute (this=0x7f3bbc010e28, thd=0x7f3bbc000c58) at /data/Server/10.6G/sql/sql_alter.cc:591

#7  0x000055c41a6ed626 in mysql_execute_command (thd=0x7f3bbc000c58, is_called_from_prepared_stmt=<optimized out>) at /data/Server/10.6G/sql/sql_parse.cc:5995

#8  0x000055c41a6de446 in mysql_parse (rawbuf=<optimized out>, length=<optimized out>, parser_state=<optimized out>, thd=0x7f3bbc000c58) at /data/Server/10.6G/sql/sql_parse.cc:8028

#9  mysql_parse (thd=0x7f3bbc000c58, rawbuf=<optimized out>, length=<optimized out>, parser_state=<optimized out>) at /data/Server/10.6G/sql/sql_parse.cc:7950

#10 0x000055c41a6e9e12 in dispatch_command (command=COM_QUERY, thd=0x7f3bbc000c58, packet=<optimized out>, packet_length=<optimized out>, blocking=<optimized out>) at /data/Server/10.6G/sql/sql_class.h:1340

#11 0x000055c41a6eba98 in do_command (thd=0x7f3bbc000c58, blocking=blocking@entry=true) at /data/Server/10.6G/sql/sql_parse.cc:1406

#12 0x000055c41a7e7837 in do_handle_one_connection (connect=<optimized out>, connect@entry=0x55c41e0a5a58, put_in_cache=put_in_cache@entry=true) at /data/Server/10.6G/sql/sql_connect.cc:1410

#13 0x000055c41a7e7b2d in handle_one_connection (arg=0x55c41e0a5a58) at /data/Server/10.6G/sql/sql_connect.cc:1312

#14 0x00007f3bf84df609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#15 0x00007f3bf80b3293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95