Assertion `rc == 0' failed in ma_encrypt on dropping an encrypted Aria table

--source include/have_file_key_management_plugin.inc

SET GLOBAL aria_encrypt_tables = 1;

CREATE TABLE t1 (i INT, KEY(i)) ENGINE=Aria;

INSERT INTO t1 VALUES (1);

DROP TABLE t1;

mysqld: 10.1/storage/maria/ma_crypt.c:432: ma_encrypt: Assertion `rc == 0' failed.

150420  0:15:01 [ERROR] mysqld got signal 6 ;

#6  0x00007f4081916311 in *__GI___assert_fail (assertion=0x7f4084daf87c "rc == 0", file=<optimized out>, line=432, function=0x7f4084daf8d3 "ma_encrypt") at assert.c:81

#7  0x00007f408497a017 in ma_encrypt (crypt_data=0x7f40789a82b0, src=0x7f407b004085 "\001", dst=0x7f4078aab085 "\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245\245"..., size=10, pageno=1, lsn=4294976107, key_version=0x7f4083ca8a94) at 10.1/storage/maria/ma_crypt.c:432

#8  0x00007f4084979e3d in ma_crypt_index_pre_write_hook (args=0x7f4083ca8b40) at 10.1/storage/maria/ma_crypt.c:384

#9  0x00007f408496186f in pagecache_fwrite (pagecache=0x7f4085d9f200, filedesc=0x7f407cea9488, buffer=0x7f407b004070 "\001", pageno=1, type=PAGECACHE_LSN_PAGE, flags=36) at 10.1/storage/maria/ma_pagecache.c:664

#10 0x00007f408496b119 in flush_cached_blocks (pagecache=0x7f4085d9f200, file=0x7f40789586e8, cache=0x7f4083ca8d60, end=0x7f4083ca8d68, type=FLUSH_RELEASE, first_errno=0x7f4083ca8cc4) at 10.1/storage/maria/ma_pagecache.c:4399

#11 0x00007f408496ba67 in flush_pagecache_blocks_int (pagecache=0x7f4085d9f200, file=0x7f40789586e8, type=FLUSH_RELEASE, filter=0, filter_arg=0x0) at 10.1/storage/maria/ma_pagecache.c:4688

#12 0x00007f408496be66 in flush_pagecache_blocks_with_filter (pagecache=0x7f4085d9f200, file=0x7f40789586e8, type=FLUSH_RELEASE, filter=0, filter_arg=0x0) at 10.1/storage/maria/ma_pagecache.c:4804

#13 0x00007f40849cc354 in maria_close (info=0x7f4078974070) at 10.1/storage/maria/ma_close.c:47

#14 0x00007f408493f070 in ha_maria::close (this=0x7f40788b6888) at 10.1/storage/maria/ha_maria.cc:1263

#15 0x00007f4084475d48 in handler::ha_close (this=0x7f40788b6888) at 10.1/sql/handler.cc:2575

#16 0x00007f408432dc64 in closefrm (table=0x7f4078888c70, free_share=true) at 10.1/sql/table.cc:3009

#17 0x00007f40841d772c in intern_close_table (table=0x7f4078888c70) at 10.1/sql/sql_base.cc:359

#18 0x00007f40843fc810 in tdc_remove_table (thd=0x7f407aa5b070, remove_type=TDC_RT_REMOVE_ALL, db=0x7f4078806730 "test", table_name=0x7f4078806118 "t1", kill_delayed_threads=false) at 10.1/sql/table_cache.cc:917

#19 0x00007f40842f363b in mysql_rm_table_no_locks (thd=0x7f407aa5b070, tables=0x7f4078806150, if_exists=false, drop_temporary=false, drop_view=false, dont_log_query=false, dont_free_locks=false) at 10.1/sql/sql_table.cc:2462

#20 0x00007f40842f292d in mysql_rm_table (thd=0x7f407aa5b070, tables=0x7f4078806150, if_exists=0 '\000', drop_temporary=0 '\000') at 10.1/sql/sql_table.cc:2085

#21 0x00007f408424693f in mysql_execute_command (thd=0x7f407aa5b070) at 10.1/sql/sql_parse.cc:4147

#22 0x00007f408425002e in mysql_parse (thd=0x7f407aa5b070, rawbuf=0x7f4078806088 "DROP TABLE t1", length=13, parser_state=0x7f4083cae1b0) at 10.1/sql/sql_parse.cc:7165

#23 0x00007f408423f03e in dispatch_command (command=COM_QUERY, thd=0x7f407aa5b070, packet=0x7f407eff3071 "DROP TABLE t1", packet_length=13) at 10.1/sql/sql_parse.cc:1462

#24 0x00007f408423de0e in do_command (thd=0x7f407aa5b070) at 10.1/sql/sql_parse.cc:1090

#25 0x00007f408436f0a7 in do_handle_one_connection (thd_arg=0x7f407aa5b070) at 10.1/sql/sql_connect.cc:1347

#26 0x00007f408436edec in handle_one_connection (arg=0x7f407aa5b070) at 10.1/sql/sql_connect.cc:1258

#27 0x00007f4084923f46 in pfs_spawn_thread (arg=0x7f4081023870) at 10.1/storage/perfschema/pfs.cc:1860

#28 0x00007f4083931b50 in start_thread (arg=<optimized out>) at pthread_create.c:304

#29 0x00007f40819c695d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

MariaDB [test]> DROP TABLE t1;

Query OK, 0 rows affected, 1 warning (0.01 sec)

MariaDB [test]> show warnings;

+-------+------+------------------------------------------------+

| Level | Code | Message                                        |

+-------+------+------------------------------------------------+

| Error |  168 | failed to encrypt! rc: -1, dstlen: 0 size: 10

 |

+-------+------+------------------------------------------------+

1 row in set (0.00 sec)