set global max_session_mem_used = 8192;

--connect (con1,localhost,root,,)

select @@max_session_mem_used;

--disconnect con1

set global max_session_mem_used = DEFAULT;

#3  <signal handler called>

#4  0x000055a11660e0f7 in THD::handle_condition (this=0x7f7232cdb070, sql_errno=1290, sqlstate=0x55a116f848c7 "HY000", level=Sql_condition::WARN_LEVEL_ERROR, msg=0x7ffe0f42c1b0 "The MariaDB server is running with the --max-thread-mem-used=8192 option so it cannot execute this statement", cond_hdl=0x7ffe0f42c0a0) at /data/src/10.1/sql/sql_class.cc:1120

#5  0x000055a11660e9cb in THD::raise_condition (this=0x7f7232cdb070, sql_errno=1290, sqlstate=0x55a116f848c7 "HY000", level=Sql_condition::WARN_LEVEL_ERROR, msg=0x7ffe0f42c1b0 "The MariaDB server is running with the --max-thread-mem-used=8192 option so it cannot execute this statement") at /data/src/10.1/sql/sql_class.cc:1274

#6  0x000055a116585929 in my_message_sql (error=1290, str=0x7ffe0f42c1b0 "The MariaDB server is running with the --max-thread-mem-used=8192 option so it cannot execute this statement", MyFlags=0) at /data/src/10.1/sql/mysqld.cc:3529

#7  0x000055a116ed976f in my_error (nr=1290, MyFlags=0) at /data/src/10.1/mysys/my_error.c:125

#8  0x000055a116585fca in my_malloc_size_cb_func (size=120, is_thread_specific=1 '\001') at /data/src/10.1/sql/mysqld.cc:3949

#9  0x000055a116ee2866 in my_malloc (size=120, my_flags=65584) at /data/src/10.1/mysys/my_malloc.c:118

#10 0x000055a11667c518 in debug_sync_init_thread (thd=0x7f7232cdb070) at /data/src/10.1/sql/debug_sync.cc:239

#11 0x000055a11660f12d in THD::init (this=0x7f7232cdb070) at /data/src/10.1/sql/sql_class.cc:1455

#12 0x000055a11660dd21 in THD::THD (this=0x7f7232cdb070, is_wsrep_applier=false) at /data/src/10.1/sql/sql_class.cc:1029

#13 0x000055a11658b4ae in handle_connections_sockets () at /data/src/10.1/sql/mysqld.cc:6649

#14 0x000055a11658a0a5 in mysqld_main (argc=130, argv=0x7f7239496ac0) at /data/src/10.1/sql/mysqld.cc:5913

#15 0x000055a11657f350 in main (argc=6, argv=0x7ffe0f42d0b8) at /data/src/10.1/sql/main.cc:25

mysqld: /data/src/10.2/sql/sql_error.cc:487: void Diagnostics_area::set_error_status(uint, const char*, const char*, const Sql_condition*): Assertion `! 

is_set() || m_can_overwrite_status' failed.

170606 20:55:11 [ERROR] mysqld got signal 6 ;

#7  0x00007f8a72bf4ee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6

#8  0x000055e6a1c2a0a9 in Diagnostics_area::set_error_status (this=0x7f8a04005b08, sql_errno=1290, message=0x7f8a5d447430 "The MariaDB server is running with the --max-thread-mem-used=8192 option so it cannot execute this statement", sqlstate=0x55e6a26d420d "HY000", error_condition=0x0) at /data/src/10.2/sql/sql_error.cc:487

#9  0x000055e6a1c0bb6f in THD::raise_condition (this=0x7f8a04000b00, sql_errno=1290, sqlstate=0x55e6a26d420d "HY000", level=Sql_condition::WARN_LEVEL_ERROR, msg=0x7f8a5d447430 "The MariaDB server is running with the --max-thread-mem-used=8192 option so it cannot execute this statement") at /data/src/10.2/sql/sql_class.cc:1130

#10 0x000055e6a1b79488 in my_message_sql (error=1290, str=0x7f8a5d447430 "The MariaDB server is running with the --max-thread-mem-used=8192 option so it cannot execute this statement", MyFlags=0) at /data/src/10.2/sql/mysqld.cc:3622

#11 0x000055e6a261bb61 in my_error (nr=1290, MyFlags=0) at /data/src/10.2/mysys/my_error.c:125

#12 0x000055e6a1b79b71 in my_malloc_size_cb_func (size=-64, is_thread_specific=1 '\001') at /data/src/10.2/sql/mysqld.cc:4046

#13 0x000055e6a2625040 in my_free (ptr=0x7f8a04007f70) at /data/src/10.2/mysys/my_malloc.c:216

#14 0x000055e6a25fc266 in delete_dynamic (array=0x7f8a04007d48) at /data/src/10.2/mysys/array.c:302

#15 0x000055e6a2601e07 in my_hash_free (hash=0x7f8a04007d20) at /data/src/10.2/mysys/hash.c:152

#16 0x000055e6a1b9a1c3 in Session_sysvars_tracker::vars_list::~vars_list (this=0x7f8a04007d20, __in_chrg=<optimized out>) at /data/src/10.2/sql/session_tracker.cc:128

#17 0x000055e6a1b9a397 in Session_sysvars_tracker::~Session_sysvars_tracker (this=0x7f8a04008020, __in_chrg=<optimized out>) at /data/src/10.2/sql/session_tracker.cc:176

#18 0x000055e6a1b9a426 in Session_sysvars_tracker::~Session_sysvars_tracker (this=0x7f8a04008020, __in_chrg=<optimized out>) at /data/src/10.2/sql/session_tracker.cc:179

#19 0x000055e6a1b99ea0 in Session_tracker::deinit (this=0x7f8a04005e28) at /data/src/10.2/sql/session_tracker.h:147

#20 0x000055e6a1b99a13 in Session_tracker::enable (this=0x7f8a04005e28, thd=0x7f8a04000b00) at /data/src/10.2/sql/session_tracker.cc:1627

#21 0x000055e6a1c0c30f in THD::init (this=0x7f8a04000b00) at /data/src/10.2/sql/sql_class.cc:1318

#22 0x000055e6a1c0c6ab in THD::change_user (this=0x7f8a04000b00) at /data/src/10.2/sql/sql_class.cc:1414

#23 0x000055e6a1c0cb16 in THD::reset_for_reuse (this=0x7f8a04000b00) at /data/src/10.2/sql/sql_class.cc:1533

#24 0x000055e6a1d9b944 in CONNECT::create_thd (this=0x55e6a53abf50, thd=0x7f8a04000b00) at /data/src/10.2/sql/sql_connect.cc:1450

#25 0x000055e6a1b78194 in cache_thread (thd=0x7f8a04000b00) at /data/src/10.2/sql/mysqld.cc:2978

#26 0x000055e6a1b78365 in one_thread_per_connection_end (thd=0x7f8a04000b00, put_in_cache=true) at /data/src/10.2/sql/mysqld.cc:3044

#27 0x000055e6a1d9b652 in do_handle_one_connection (connect=0x55e6a543aa10) at /data/src/10.2/sql/sql_connect.cc:1373

#28 0x000055e6a1d9b2f6 in handle_one_connection (arg=0x55e6a543aa10) at /data/src/10.2/sql/sql_connect.cc:1260

#29 0x00007f8a74b39494 in start_thread (arg=0x7f8a5d448700) at pthread_create.c:333

#30 0x00007f8a72cb193f in clone () from /lib/x86_64-linux-gnu/libc.so.6