Bug #75648 Assertion `length <= max_data_length()' failed in Field_blob::store_to_mem

Submitted: 27 Jan 2015 10:04 Modified: 27 Jan 2015 11:06
Reporter: Ramesh Sivaraman Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: DML Severity:S3 (Non-critical)
Version:5.6.21-debug, 5.6.24, 5.7.6 OS:Linux (CentOS 7)
Assigned to: CPU Architecture:Any

[27 Jan 2015 10:04] Ramesh Sivaraman 
Description:
** GDB info

#0  0x00007f4ef9ba7771 in pthread_kill () from /lib64/libpthread.so.0
#1  0x0000000000a954ea in my_write_core (sig=6) at /ssd/ramesh/mysql-server/mysql-5.6/mysys/stacktrace.c:422
#2  0x0000000000726494 in handle_fatal_signal (sig=6) at /ssd/ramesh/mysql-server/mysql-5.6/sql/signal_handler.cc:230
#3  <signal handler called>
#4  0x00007f4ef89b35c9 in raise () from /lib64/libc.so.6
#5  0x00007f4ef89b4cd8 in abort () from /lib64/libc.so.6
#6  0x00007f4ef89ac536 in __assert_fail_base () from /lib64/libc.so.6
#7  0x00007f4ef89ac5e2 in __assert_fail () from /lib64/libc.so.6
#8  0x0000000000905579 in Field_blob::store_to_mem (this=0x7f4e5cc990b8, from=0x7f4e5cdd3000 "", length=100000, cs=0x1733ae0 <my_charset_utf16_danish_
uca_ci>, max_length=1024, blob_storage=0x7f4e5cd558e0) at /ssd/ramesh/mysql-server/mysql-5.6/sql/field.cc:7728
#9  0x0000000000905aea in Field_blob::store (this=0x7f4e5cc990b8, from=0x7f4e5cdd3000 "", length=100000, cs=0x1733ae0 <my_charset_utf16_danish_uca_ci>) at /ssd/ramesh/mysql-server/mysql-5.6/sql/field.cc:7839
#10 0x000000000065e0d0 in Item::save_in_field (this=0x7f4e5cc20760, field=0x7f4e5cc990b8, no_conversions=true) at /ssd/ramesh/mysql-server/mysql-5.6/sql/item.cc:6288
#11 0x000000000066ce03 in Item_result_field::save_in_result_field (this=0x7f4e5cc20760, no_conversions=true) at /ssd/ramesh/mysql-server/mysql-5.6/sql/item.h:3112
#12 0x00000000007a1eea in copy_funcs (func_ptr=0x7f4e5cc95c60, thd=0x7f4e6675d000) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_executor.cc:553
#13 0x00000000006ea270 in Item_func_group_concat::add (this=0x7f4e5cc1f620) at /ssd/ramesh/mysql-server/mysql-5.6/sql/item_sum.cc:3384
#14 0x00000000006ebfed in Aggregator_simple::add (this=0x7f4e5cc20f20) at /ssd/ramesh/mysql-server/mysql-5.6/sql/item_sum.h:656
#15 0x00000000006ebe79 in Item_sum::aggregator_add (this=0x7f4e5cc1f620) at /ssd/ramesh/mysql-server/mysql-5.6/sql/item_sum.h:500
#16 0x00000000006ebcc4 in Item_sum::reset_and_add (this=0x7f4e5cc1f620) at /ssd/ramesh/mysql-server/mysql-5.6/sql/item_sum.h:408
#17 0x00000000007a1e24 in init_sum_functions (func_ptr=0x7f4e5cc20888, end_ptr=0x7f4e5cc20890) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_executor.cc:508
#18 0x00000000007a72c6 in end_send_group (join=0x7f4e5cc20168, join_tab=0x7f4e5cd55490, end_of_records=false) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_executor.cc:2961
#19 0x00000000007a3f6e in evaluate_join_record (join=0x7f4e5cc20168, join_tab=0x7f4e5cd55190) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_executor.cc:1601
#20 0x00000000007a3550 in sub_select (join=0x7f4e5cc20168, join_tab=0x7f4e5cd55190, end_of_records=false) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_executor.cc:1276
#21 0x00000000007a2e1d in do_select (join=0x7f4e5cc20168) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_executor.cc:933
#22 0x00000000007a0d79 in JOIN::exec (this=0x7f4e5cc20168) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_executor.cc:194
#23 0x0000000000800fa7 in mysql_execute_select (thd=0x7f4e6675d000, select_lex=0x7f4e6675f878, free_join=true) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_select.cc:1100
#24 0x00000000008012a3 in mysql_select (thd=0x7f4e6675d000, tables=0x7f4e5cc1fb28, wild_num=0, fields=..., conds=0x0, order=0x7f4e6675fa40, group=0x7f4e6675f978, having=0x0, select_options=2147748608, result=0x7f4e5cc20140, unit=0x7f4e6675f230, select_lex=0x7f4e6675f878) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_select.cc:1221
#25 0x00000000007ff32b in handle_select (thd=0x7f4e6675d000, result=0x7f4e5cc20140, setup_tables_done_option=0) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_select.cc:110
#26 0x00000000007d9633 in execute_sqlcom_select (thd=0x7f4e6675d000, all_tables=0x7f4e5cc1fb28) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_parse.cc:5103
#27 0x00000000007d23e3 in mysql_execute_command (thd=0x7f4e6675d000) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_parse.cc:2649
#28 0x00000000007dbdbc in mysql_parse (thd=0x7f4e6675d000, rawbuf=0x7f4e5cc1f010 "SELECT GROUP_CONCAT(DISTINCT b,a ORDER BY a,b)FROM t1", length=53, parser_state=0x7f4efa15ce70) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_parse.cc:6245
#29 0x00000000007cf36f in dispatch_command (command=COM_QUERY, thd=0x7f4e6675d000, packet=0x7f4e5b266001 "", packet_length=53) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_parse.cc:1332
#30 0x00000000007ce45e in do_command (thd=0x7f4e6675d000) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_parse.cc:1034
#31 0x0000000000796879 in do_handle_one_connection (thd_arg=0x7f4e6675d000) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_connect.cc:982
#32 0x0000000000796362 in handle_one_connection (arg=0x7f4e6675d000) at /ssd/ramesh/mysql-server/mysql-5.6/sql/sql_connect.cc:898
#33 0x0000000000d71288 in pfs_spawn_thread (arg=0x7f4ef5ffea60) at /ssd/ramesh/mysql-server/mysql-5.6/storage/perfschema/pfs.cc:1860
#34 0x00007f4ef9ba2df3 in start_thread () from /lib64/libpthread.so.0
#35 0x00007f4ef8a741ad in clone () from /lib64/libc.so.6

How to repeat:
DROP DATABASE test;CREATE DATABASE test;USE test;
create table t1(a text,b text);
ALTER TABLE t1 MODIFY a CHAR(1)CHARACTER SET utf16 COLLATE utf16_danish_ci;
INSERT INTO t1 VALUES(3,REPEAT('c',50000));
SELECT GROUP_CONCAT(DISTINCT b,a ORDER BY a,b)FROM t1;
[27 Jan 2015 11:06] MySQL Verification Team 
Hello Ramesh Sivaraman,

Thank you for the report and test case.
Observed that 5.6.24 debug build is affected.

Thanks,
Umesh
[27 Jan 2015 11:06] MySQL Verification Team 
// Build used

commit: 3e1a0f1ef8c8a11a77f9e22677170c832ee13ca5
date: 2015-01-19 20:12:44 +0530
build-date: 2015-01-19 15:53:59 +0100
short: 3e1a0f1
branch: mysql-5.6

MySQL source 5.6.24

// snippet from error log

mysqld-debug: /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/field.cc:7728: type_conversion_status Field_blob::store_to_mem(const char*, uint, const CHARSET_INFO*, ui
nt, Blob_mem_storage*): Assertion `length <= max_data_length()' failed.
11:03:23 UTC - mysqld got signal 6 ;

(gdb) bt
#0  0x00007ffb60c75771 in pthread_kill () from /lib64/libpthread.so.0
#1  0x0000000000ade2df in my_write_core (sig=6) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/mysys/stacktrace.c:422
#2  0x000000000074540e in handle_fatal_signal (sig=6) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/signal_handler.cc:230
#3  <signal handler called>
#4  0x00007ffb5f87b5c9 in raise () from /lib64/libc.so.6
#5  0x00007ffb5f87ccd8 in abort () from /lib64/libc.so.6
#6  0x00007ffb5f874536 in __assert_fail_base () from /lib64/libc.so.6
#7  0x00007ffb5f8745e2 in __assert_fail () from /lib64/libc.so.6
#8  0x0000000000936e1c in Field_blob::store_to_mem (this=0x7ffb0801ad78, from=0x7ffb080a5500 "", length=100000, cs=0x1844f20 <my_charset_utf16_danish_uca_ci>, max_length=1024,
    blob_storage=0x7ffb0801deb0) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/field.cc:7728
#9  0x0000000000936fdd in Field_blob::store (this=0x7ffb0801ad78, from=0x7ffb080a5500 "", length=100000, cs=0x1844f20 <my_charset_utf16_danish_uca_ci>)
    at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/field.cc:7839
#10 0x0000000000668c57 in Item::save_in_field (this=0x7ffb08006720, field=0x7ffb0801ad78, no_conversions=true)
    at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/item.cc:6307
#11 0x000000000067cec7 in Item_result_field::save_in_result_field (this=0x7ffb08006720, no_conversions=true)
    at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/item.h:3112
#12 0x00000000007c4e8b in copy_funcs (func_ptr=0x7ffb08018dd0, thd=0x36e2f50) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_executor.cc:553
#13 0x00000000007009e1 in Item_func_group_concat::add (this=0x7ffb080055e0) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/item_sum.cc:3384
#14 0x0000000000709098 in Aggregator_simple::add (this=0x7ffb08006ee0) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/item_sum.h:656
#15 0x0000000000708f12 in Item_sum::aggregator_add (this=0x7ffb080055e0) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/item_sum.h:500
#16 0x0000000000708f36 in Item_sum::reset_and_add (this=0x7ffb080055e0) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/item_sum.h:408
#17 0x00000000007c4dbe in init_sum_functions (func_ptr=0x7ffb08006848, end_ptr=0x7ffb08006850) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_executor.cc:508
#18 0x00000000007ca036 in end_send_group (join=0x7ffb08006128, join_tab=0x7ffb0801da60, end_of_records=false)
    at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_executor.cc:2961
#19 0x00000000007c8f10 in evaluate_join_record (join=0x7ffb08006128, join_tab=0x7ffb0801d760) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_executor.cc:1601
#20 0x00000000007cd160 in sub_select (join=0x7ffb08006128, join_tab=0x7ffb0801d760, end_of_records=false)
    at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_executor.cc:1276
#21 0x00000000007cea0b in do_select (join=0x7ffb08006128) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_executor.cc:933
#22 0x00000000007cf317 in JOIN::exec (this=0x7ffb08006128) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_executor.cc:194
#23 0x0000000000831960 in mysql_execute_select (thd=0x36e2f50, select_lex=0x36e57d0, free_join=true)
    at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_select.cc:1100
#24 0x000000000083231f in mysql_select (thd=0x36e2f50, tables=0x7ffb08005ae8, wild_num=0, fields=..., conds=0x0, order=0x36e5998, group=0x36e58d0, having=0x0, select_options=2147748608,
    result=0x7ffb08006100, unit=0x36e5188, select_lex=0x36e57d0) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_select.cc:1221
#25 0x000000000083251b in handle_select (thd=0x36e2f50, result=0x7ffb08006100, setup_tables_done_option=0)
    at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_select.cc:110
#26 0x00000000007f86ac in execute_sqlcom_select (thd=0x36e2f50, all_tables=0x7ffb08005ae8) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_parse.cc:5103
#27 0x00000000007f9bd7 in mysql_execute_command (thd=0x36e2f50) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_parse.cc:2649
#28 0x0000000000801175 in mysql_parse (thd=0x36e2f50, rawbuf=0x7ffb08004fd0 "SELECT GROUP_CONCAT(DISTINCT b,a ORDER BY a,b)FROM t1", length=53, parser_state=0x7ffb3663e700)
    at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_parse.cc:6357
#29 0x0000000000802d1f in dispatch_command (command=COM_QUERY, thd=0x36e2f50, packet=0x3810fb1 "", packet_length=53)
    at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_parse.cc:1332
#30 0x0000000000804559 in do_command (thd=0x36e2f50) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_parse.cc:1034
#31 0x00000000007ba34d in do_handle_one_connection (thd_arg=0x36e2f50) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_connect.cc:982
#32 0x00000000007ba413 in handle_one_connection (arg=0x36e2f50) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/sql/sql_connect.cc:898
#33 0x0000000000b90202 in pfs_spawn_thread (arg=0x3708470) at /export/home/pb2/build/sb_0-14137409-1421680653.55/mysqlcom-pro-5.6.24/storage/perfschema/pfs.cc:1860
#34 0x00007ffb60c70df3 in start_thread () from /lib64/libpthread.so.0
#35 0x00007ffb5f93c47d in clone () from /lib64/libc.so.6
[27 Jan 2015 11:10] MySQL Verification Team 
// build details

commit: 7d93e60fbb5f03364c8c40386dcc979138fe956c
date: 2015-01-19 20:14:13 +0530
build-date: 2015-01-19 17:02:01 +0100
short: 7d93e60
branch: mysql-trunk

MySQL source 5.7.6

(gdb) bt
#0  0x00007f5d2319b771 in pthread_kill () from /lib64/libpthread.so.0
#1  0x0000000000fedc88 in my_write_core (sig=6) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/mysys/stacktrace.c:247
#2  0x0000000000980532 in handle_fatal_signal (sig=6) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/signal_handler.cc:220
#3  <signal handler called>
#4  0x00007f5d21da15c9 in raise () from /lib64/libc.so.6
#5  0x00007f5d21da2cd8 in abort () from /lib64/libc.so.6
#6  0x00007f5d21d9a536 in __assert_fail_base () from /lib64/libc.so.6
#7  0x00007f5d21d9a5e2 in __assert_fail () from /lib64/libc.so.6
#8  0x00000000009c114c in Field_blob::store_to_mem (this=0x7f5ca803f600, from=0x7f5ca808c990 "", length=100000, cs=0x218f6c0 <my_charset_utf16_danish_uca_ci>, max_length=1024,
    blob_storage=0x7f5ca80291b0) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/field.cc:7860
#9  0x00000000009c1687 in Field_blob::store (this=0x7f5ca803f600, from=0x7f5ca808c990 "", length=100000, cs=0x218f6c0 <my_charset_utf16_danish_uca_ci>)
    at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/field.cc:7961
#10 0x0000000000a0d1f6 in Item::save_in_field (this=0x7f5ca8028470, field=0x7f5ca803f600, no_conversions=true)
    at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/item.cc:6369
#11 0x0000000000a1b6c1 in Item_result_field::save_in_result_field (this=0x7f5ca8028470, no_conversions=true)
    at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/item.h:3634
#12 0x0000000000cc77d2 in copy_funcs (func_ptr=0x7f5ca803f520, thd=0x7f5ca8000c00) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_executor.cc:557
#13 0x0000000000c136e8 in Item_func_group_concat::add (this=0x7f5ca8006058) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/item_sum.cc:3502
#14 0x0000000000c157d3 in Aggregator_simple::add (this=0x7f5ca8028f68) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/item_sum.h:665
#15 0x0000000000c1565f in Item_sum::aggregator_add (this=0x7f5ca8006058) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/item_sum.h:509
#16 0x0000000000c154c4 in Item_sum::reset_and_add (this=0x7f5ca8006058) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/item_sum.h:413
#17 0x0000000000cc76ea in init_sum_functions (func_ptr=0x7f5ca8028950, end_ptr=0x7f5ca8028958)
    at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_executor.cc:512
#18 0x0000000000ccd323 in end_send_group (join=0x7f5ca8028580, qep_tab=0x7f5ca8028de8, end_of_records=false)
    at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_executor.cc:3033
#19 0x0000000000cc99e3 in evaluate_join_record (join=0x7f5ca8028580, qep_tab=0x7f5ca8028c70)
    at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_executor.cc:1617
#20 0x0000000000cc8e44 in sub_select (join=0x7f5ca8028580, qep_tab=0x7f5ca8028c70, end_of_records=false)
    at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_executor.cc:1279
#21 0x0000000000cc86b0 in do_select (join=0x7f5ca8028580) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_executor.cc:932
#22 0x0000000000cc6631 in JOIN::exec (this=0x7f5ca8028580) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_executor.cc:197
#23 0x0000000000d48e39 in handle_query (thd=0x7f5ca8000c00, lex=0x7f5ca8002ec0, result=0x7f5ca8007260, added_options=0, removed_options=0)
    at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_select.cc:180
#24 0x0000000000d12e0e in execute_sqlcom_select (thd=0x7f5ca8000c00, all_tables=0x7f5ca8006c28)
    at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_parse.cc:4983
#25 0x0000000000d0baf5 in mysql_execute_command (thd=0x7f5ca8000c00) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_parse.cc:2486
#26 0x0000000000d13d33 in mysql_parse (thd=0x7f5ca8000c00, parser_state=0x7f5d0cc84e50) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_parse.cc:5384
#27 0x0000000000d08b53 in dispatch_command (command=COM_QUERY, thd=0x7f5ca8000c00, packet=0x7f5ca8009961 "", packet_length=53)
    at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_parse.cc:1245
#28 0x0000000000d078a2 in do_command (thd=0x7f5ca8000c00) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/sql_parse.cc:832
#29 0x0000000000e12768 in handle_connection (arg=0x322b210) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/sql/conn_handler/connection_handler_per_thread.cc:298
#30 0x0000000001027637 in pfs_spawn_thread (arg=0x3263d90) at /export/home/pb2/build/sb_0-14139055-1421684443.33/mysqlcom-pro-5.7.6-m16/storage/perfschema/pfs.cc:2137
#31 0x00007f5d23196df3 in start_thread () from /lib64/libpthread.so.0
#32 0x00007f5d21e6247d in clone () from /lib64/libc.so.6
[27 Jan 2015 11:12] MySQL Verification Team 
// 5.7.6 debug build affected

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