encryption.encryption_force, encryption.encrypt_and_grep fail with valgrind warnings (Invalid read)

==5406== Thread 21:

==5406== Invalid read of size 8

==5406==    at 0xB4DDC74: ha_innodb::create(char const*, TABLE*, HA_CREATE_INFO*) (ha_innodb.cc:11772)

==5406==    by 0x7EC592: handler::ha_create(char const*, TABLE*, HA_CREATE_INFO*) (handler.cc:4326)

==5406==    by 0x7EC901: ha_create_table(THD*, char const*, char const*, char const*, HA_CREATE_INFO*, st_mysql_const_unsigned_lex_string*) (handler.cc:4695)

==5406==    by 0x6DA73D: rea_create_table(THD*, st_mysql_const_unsigned_lex_string*, char const*, char const*, char const*, HA_CREATE_INFO*, handler*, bool) (unireg.cc:394)

==5406==    by 0x6A2785: create_table_impl(THD*, char const*, char const*, char const*, char const*, char const*, DDL_options_st, HA_CREATE_INFO*, Alter_info*, int, bool*, st_key**, unsigned int*, st_mysql_const_unsigned_lex_string*) (sql_table.cc:4805)

==5406==    by 0x6A2C0B: mysql_create_table_no_lock(THD*, char const*, char const*, Table_specification_st*, Alter_info*, bool*, int) (sql_table.cc:4921)

==5406==    by 0x6A373F: mysql_create_table(THD*, TABLE_LIST*, Table_specification_st*, Alter_info*) (sql_table.cc:4981)

==5406==    by 0x6067ED: mysql_execute_command(THD*) (sql_parse.cc:3409)

==5406==    by 0x606D92: mysql_parse(THD*, char*, unsigned int, Parser_state*) (sql_parse.cc:7161)

==5406==    by 0x60A069: dispatch_command(enum_server_command, THD*, char*, unsigned int) (sql_parse.cc:1462)

==5406==    by 0x60A62B: do_command(THD*) (sql_parse.cc:1090)

==5406==    by 0x70126B: do_handle_one_connection(THD*) (sql_connect.cc:1347)

==5406==    by 0x701414: handle_one_connection (sql_connect.cc:1258)

==5406==    by 0x9D3AB6: pfs_spawn_thread (pfs.cc:1860)

==5406==    by 0x4E3506F: start_thread (in /lib64/libpthread-2.9.so)

==5406==    by 0x62F913C: clone (in /lib64/libc-2.9.so)

==5406==  Address 0x16a69768 is 104 bytes inside a block of size 328 free'd

==5406==    at 0x4C257D8: free (vg_replace_malloc.c:446)

==5406==    by 0xB488DC5: fil_space_destroy_crypt_data(fil_space_crypt_struct**) (fil0crypt.cc:363)

==5406==    by 0xB47B937: fil_space_set_crypt_data(unsigned long, fil_space_crypt_struct*) (fil0fil.cc:7002)

==5406==    by 0xB4DDBE8: ha_innodb::create(char const*, TABLE*, HA_CREATE_INFO*) (ha_innodb.cc:11766)

==5406==    by 0x7EC592: handler::ha_create(char const*, TABLE*, HA_CREATE_INFO*) (handler.cc:4326)

==5406==    by 0x7EC901: ha_create_table(THD*, char const*, char const*, char const*, HA_CREATE_INFO*, st_mysql_const_unsigned_lex_string*) (handler.cc:4695)

==5406==    by 0x6DA73D: rea_create_table(THD*, st_mysql_const_unsigned_lex_string*, char const*, char const*, char const*, HA_CREATE_INFO*, handler*, bool) (unireg.cc:394)

==5406==    by 0x6A2785: create_table_impl(THD*, char const*, char const*, char const*, char const*, char const*, DDL_options_st, HA_CREATE_INFO*, Alter_info*, int, bool*, st_key**, unsigned int*, st_mysql_const_unsigned_lex_string*) (sql_table.cc:4805)

==5406==    by 0x6A2C0B: mysql_create_table_no_lock(THD*, char const*, char const*, Table_specification_st*, Alter_info*, bool*, int) (sql_table.cc:4921)

==5406==    by 0x6A373F: mysql_create_table(THD*, TABLE_LIST*, Table_specification_st*, Alter_info*) (sql_table.cc:4981)

==5406==    by 0x6067ED: mysql_execute_command(THD*) (sql_parse.cc:3409)

==5406==    by 0x606D92: mysql_parse(THD*, char*, unsigned int, Parser_state*) (sql_parse.cc:7161)

==5406==    by 0x60A069: dispatch_command(enum_server_command, THD*, char*, unsigned int) (sql_parse.cc:1462)

==5406==    by 0x60A62B: do_command(THD*) (sql_parse.cc:1090)

==5406==    by 0x70126B: do_handle_one_connection(THD*) (sql_connect.cc:1347)

==5406==    by 0x701414: handle_one_connection (sql_connect.cc:1258)