Description:
The crash with following backtrace was observed in OLTP_RW sysbench test:
(gdb) bt
#0 0x0000000000acc7f7 in my_strnncoll_binary (cs=<value optimized out>, s=0x27fc4 <Address 0x27fc4 out of bounds>, slen=8,
t=0x2aab4da00bd8 "�\177\002", tlen=8, t_is_prefix=0 '\0') at ctype-bin.c:84
#1 0x0000000000a8f1d8 in lfind (head=0x1b925c0, cs=0xf74e60, hashnr=3745613115, key=0x2aab4da00bd8 "�\177\002",
keylen=<value optimized out>, cursor=0x400c19b0, pins=0x1b8cc00) at lf_hash.c:111
#2 0x0000000000a8f806 in lf_hash_delete (hash=0x11e6780, pins=0x1b8cc00, key=0x2aab4da00bd8, keylen=8) at lf_hash.c:211
#3 0x0000000000a1105e in trnman_end_trn (trn=<value optimized out>, commit=<value optimized out>) at trnman.c:465
#4 0x0000000000a7da07 in ma_commit (trn=0x2aab4da00bd8) at ma_commit.c:37
#5 0x0000000000a23fce in ha_maria::external_lock (this=0x1b1c8a8, thd=0x1ad2940, lock_type=2) at ha_maria.cc:2273
#6 0x000000000073c1aa in handler::ha_external_lock (this=0x2aab4da00bd8, thd=0x27fc4, lock_type=8) at handler.cc:5298
#7 0x0000000000641f08 in mysql_unlock_tables (thd=0x1ad2940, sql_lock=0x2aab4da008d0) at lock.cc:821
#8 0x0000000000634845 in select_send::send_eof (this=0x1b43a40) at sql_class.cc:1662
#9 0x00000000006b407b in do_select (join=0x1ad5f18, fields=0x1b42090, table=0x0, procedure=<value optimized out>)
at sql_select.cc:13497
#10 0x00000000006c6e62 in JOIN::exec (this=0x1ad5f18) at sql_select.cc:2829
#11 0x00000000006c2cce in mysql_select (thd=0x1ad2940, rref_pointer_array=0x1b42170, tables=<value optimized out>,
wild_num=<value optimized out>, fields=<value optimized out>, conds=0x1b438c8, og_num=0, order=0x0, group=0x0,
having=0x0, proc_param=0x0, select_options=0, result=0x1b43a40, unit=0x1b41b28, select_lex=0x1b41f88)
at sql_select.cc:3019
#12 0x00000000006c875c in handle_select (thd=0x1ad2940, lex=0x1b41a88, result=0x1b43a40, setup_tables_done_option=0)
at sql_select.cc:301
#13 0x0000000000656bb7 in execute_sqlcom_select (thd=0x1ad2940, all_tables=0x1b42c28) at sql_parse.cc:4646
#14 0x000000000065a9de in mysql_execute_command (thd=0x1ad2940) at sql_parse.cc:2066
#15 0x00000000006d4029 in Prepared_statement::execute (this=0x1b41710, expanded_query=<value optimized out>,
open_cursor=false) at sql_prepare.cc:3578
#16 0x00000000006d6ffc in Prepared_statement::execute_loop (this=0x1b41710, expanded_query=0x400c3470, open_cursor=false,
packet=<value optimized out>, packet_end=<value optimized out>) at sql_prepare.cc:3245
#17 0x00000000006d76a5 in mysql_stmt_execute (thd=0x1ad2940, packet_arg=0x1ae1ad1 "", packet_length=16208416)
at sql_prepare.cc:2467
#18 0x000000000065febe in dispatch_command (command=COM_STMT_EXECUTE, thd=0x1ad2940, packet=0x1ae1ad1 "", packet_length=15)
at sql_parse.cc:960
#19 0x0000000000652a72 in handle_one_connection (arg=<value optimized out>) at sql_connect.cc:1156
#20 0x00002b7a6c0c0193 in start_thread () from /lib64/libpthread.so.0
#21 0x00002b7a6c93845d in clone () from /lib64/libc.so.6
#22 0x0000000000000000 in ?? ()
How to repeat:
Instructions and test case will be provided later.
Description: The crash with following backtrace was observed in OLTP_RW sysbench test: (gdb) bt #0 0x0000000000acc7f7 in my_strnncoll_binary (cs=<value optimized out>, s=0x27fc4 <Address 0x27fc4 out of bounds>, slen=8, t=0x2aab4da00bd8 "�\177\002", tlen=8, t_is_prefix=0 '\0') at ctype-bin.c:84 #1 0x0000000000a8f1d8 in lfind (head=0x1b925c0, cs=0xf74e60, hashnr=3745613115, key=0x2aab4da00bd8 "�\177\002", keylen=<value optimized out>, cursor=0x400c19b0, pins=0x1b8cc00) at lf_hash.c:111 #2 0x0000000000a8f806 in lf_hash_delete (hash=0x11e6780, pins=0x1b8cc00, key=0x2aab4da00bd8, keylen=8) at lf_hash.c:211 #3 0x0000000000a1105e in trnman_end_trn (trn=<value optimized out>, commit=<value optimized out>) at trnman.c:465 #4 0x0000000000a7da07 in ma_commit (trn=0x2aab4da00bd8) at ma_commit.c:37 #5 0x0000000000a23fce in ha_maria::external_lock (this=0x1b1c8a8, thd=0x1ad2940, lock_type=2) at ha_maria.cc:2273 #6 0x000000000073c1aa in handler::ha_external_lock (this=0x2aab4da00bd8, thd=0x27fc4, lock_type=8) at handler.cc:5298 #7 0x0000000000641f08 in mysql_unlock_tables (thd=0x1ad2940, sql_lock=0x2aab4da008d0) at lock.cc:821 #8 0x0000000000634845 in select_send::send_eof (this=0x1b43a40) at sql_class.cc:1662 #9 0x00000000006b407b in do_select (join=0x1ad5f18, fields=0x1b42090, table=0x0, procedure=<value optimized out>) at sql_select.cc:13497 #10 0x00000000006c6e62 in JOIN::exec (this=0x1ad5f18) at sql_select.cc:2829 #11 0x00000000006c2cce in mysql_select (thd=0x1ad2940, rref_pointer_array=0x1b42170, tables=<value optimized out>, wild_num=<value optimized out>, fields=<value optimized out>, conds=0x1b438c8, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=0, result=0x1b43a40, unit=0x1b41b28, select_lex=0x1b41f88) at sql_select.cc:3019 #12 0x00000000006c875c in handle_select (thd=0x1ad2940, lex=0x1b41a88, result=0x1b43a40, setup_tables_done_option=0) at sql_select.cc:301 #13 0x0000000000656bb7 in execute_sqlcom_select (thd=0x1ad2940, all_tables=0x1b42c28) at sql_parse.cc:4646 #14 0x000000000065a9de in mysql_execute_command (thd=0x1ad2940) at sql_parse.cc:2066 #15 0x00000000006d4029 in Prepared_statement::execute (this=0x1b41710, expanded_query=<value optimized out>, open_cursor=false) at sql_prepare.cc:3578 #16 0x00000000006d6ffc in Prepared_statement::execute_loop (this=0x1b41710, expanded_query=0x400c3470, open_cursor=false, packet=<value optimized out>, packet_end=<value optimized out>) at sql_prepare.cc:3245 #17 0x00000000006d76a5 in mysql_stmt_execute (thd=0x1ad2940, packet_arg=0x1ae1ad1 "", packet_length=16208416) at sql_prepare.cc:2467 #18 0x000000000065febe in dispatch_command (command=COM_STMT_EXECUTE, thd=0x1ad2940, packet=0x1ae1ad1 "", packet_length=15) at sql_parse.cc:960 #19 0x0000000000652a72 in handle_one_connection (arg=<value optimized out>) at sql_connect.cc:1156 #20 0x00002b7a6c0c0193 in start_thread () from /lib64/libpthread.so.0 #21 0x00002b7a6c93845d in clone () from /lib64/libc.so.6 #22 0x0000000000000000 in ?? () How to repeat: Instructions and test case will be provided later.