SIGSEGV in __strcasecmp_l_evex from ha_connect::GetTDB on SELECT

CREATE VIEW c AS SELECT * FROM information_schema.tables;

INSTALL SONAME 'ha_connect';

CREATE TABLE t (c INT KEY) ENGINE=Connect;

SELECT * FROM t JOIN c;

Core was generated by `/test/MD101125-mariadb-12.2.0-linux-x86_64-dbg/bin/mariadbd --no-defaults --max'.

Program terminated with signal SIGSEGV, Segmentation fault.

Download failed: Invalid argument.  Continuing without source file ./string/../sysdeps/x86_64/multiarch/strcmp-evex.S.

#0  __strcasecmp_l_evex () at ../sysdeps/x86_64/multiarch/strcmp-evex.S:314

[Current thread is 1 (LWP 4100780)]

(gdb) bt

#0  __strcasecmp_l_evex () at ../sysdeps/x86_64/multiarch/strcmp-evex.S:314

#1  0x000075ad2c4ef4a4 in ha_connect::GetTDB (this=0x75ac48046b78, g=0x75ac48049f30) at /test/12.2_dbg/storage/connect/ha_connect.cc:1958

#2  0x000075ad2c4ef5fb in ha_connect::OpenTable (this=0x75ac48046b78, g=0x75ac48049f30, del=false)at /test/12.2_dbg/storage/connect/ha_connect.cc:1987

#3  0x000075ad2c4f616a in ha_connect::rnd_init (this=0x75ac48046b78, scan=false) at /test/12.2_dbg/storage/connect/ha_connect.cc:4132

#4  0x000075ad2c4f5de7 in ha_connect::index_init (this=0x75ac48046b78, idx=0, sorted=true) at /test/12.2_dbg/storage/connect/ha_connect.cc:3820

#5  0x000057c835ccdb28 in handler::ha_index_init (this=0x75ac48046b78, idx=0, sorted=true) at /test/12.2_dbg/sql/handler.cc:3845

#6  0x000057c8361e2dbf in join_read_first (tab=0x75ac480c7868)at /test/12.2_dbg/sql/sql_select.cc:25697

#7  0x000057c83619185f in sub_select (join=0x75ac480545e8, join_tab=0x75ac480c7868, end_of_records=false)at /test/12.2_dbg/sql/sql_select.cc:24554

#8  0x000057c8361b56de in do_select (join=0x75ac480545e8, procedure=0x0)at /test/12.2_dbg/sql/sql_select.cc:24068

#9  0x000057c8361b4bc6 in JOIN::exec_inner (this=0x75ac480545e8)at /test/12.2_dbg/sql/sql_select.cc:5134

#10 0x000057c8361b3ee3 in JOIN::exec (this=0x75ac480545e8)at /test/12.2_dbg/sql/sql_select.cc:4922

#11 0x000057c836192113 in mysql_select (thd=0x75ac48000d58, tables=0x75ac4801a5b8, fields=@0x75ac4801a220: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x75ac4801a568, last = 0x75ac480c5320, elements = 24}, <No data fields>}, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2164525824, result=0x75ac480545c0, unit=0x75ac48005178, select_lex=0x75ac48019f68) at /test/12.2_dbg/sql/sql_select.cc:5450

#12 0x000057c836191c0d in handle_select (thd=0x75ac48000d58, lex=0x75ac48005098, result=0x75ac480545c0, setup_tables_done_option=0)at /test/12.2_dbg/sql/sql_select.cc:636

#13 0x000057c83613d93a in execute_sqlcom_select (thd=0x75ac48000d58, all_tables=0x75ac4801a5b8) at /test/12.2_dbg/sql/sql_parse.cc:6171

#14 0x000057c836133db3 in mysql_execute_command (thd=0x75ac48000d58, is_called_from_prepared_stmt=false) at /test/12.2_dbg/sql/sql_parse.cc:3951

#15 0x000057c83612ccf8 in mysql_parse (thd=0x75ac48000d58, rawbuf=0x75ac48019ee0 "SELECT * FROM t JOIN c", length=22, parser_state=0x75ad2cf6ea00) at /test/12.2_dbg/sql/sql_parse.cc:7888

#16 0x000057c83612a4d9 in dispatch_command (command=COM_QUERY, thd=0x75ac48000d58, packet=0x75ac4800b239 "", packet_length=22, blocking=true) at /test/12.2_dbg/sql/sql_parse.cc:1878

#17 0x000057c83612d77a in do_command (thd=0x75ac48000d58, blocking=true)at /test/12.2_dbg/sql/sql_parse.cc:1417

#18 0x000057c836320afe in do_handle_one_connection (connect=0x57c838f18218, put_in_cache=true) at /test/12.2_dbg/sql/sql_connect.cc:1503

#19 0x000057c8363208e1 in handle_one_connection (arg=0x57c838e579f8)at /test/12.2_dbg/sql/sql_connect.cc:1415

#20 0x000075ad3649ca94 in start_thread (arg=<optimized out>)at ./nptl/pthread_create.c:447

#21 0x000075ad36529c3c in clone3 ()at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

    Rel    o/d  Build   Commit                                    UniqueID observed             

CS  10.6   dbg  101125  759e3523e3d832b174cf0a612704da38b2557b40  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  10.6   opt  101125  759e3523e3d832b174cf0a612704da38b2557b40  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  10.11  dbg  101125  536cd151f0370216d9ba4c15f40c7037060972a5  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  10.11  opt  101125  536cd151f0370216d9ba4c15f40c7037060972a5  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  11.4   dbg  101125  a1bb5c94fda453baa99e57e3927eaa7cd3c8bafe  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  11.4   opt  101125  a1bb5c94fda453baa99e57e3927eaa7cd3c8bafe  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  11.8   dbg  101125  e0428264d0095472c015eb58c46be68ca1a320ee  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  11.8   opt  101125  e0428264d0095472c015eb58c46be68ca1a320ee  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  12.1   dbg  101125  ba00960fdaee67a4efff6866e31f446bf486a1c2  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  12.1   opt  101125  ba00960fdaee67a4efff6866e31f446bf486a1c2  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  12.2   dbg  101125  fd15fd2765b53d0c070dd01d86fb231024b8f284  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

CS  12.2   opt  101125  fd15fd2765b53d0c070dd01d86fb231024b8f284  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

ES  10.6   dbg  101125  f0d4d34fb0314b03fddb71fb9dbde372744a8c13  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

ES  10.6   opt  101125  f0d4d34fb0314b03fddb71fb9dbde372744a8c13  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

ES  11.4   dbg  101125  b81ec4b57a5ddce88b8e2b2d16b64625ffdaa0e6  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

ES  11.4   opt  101125  b81ec4b57a5ddce88b8e2b2d16b64625ffdaa0e6  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

ES  11.8   dbg  101125  db36e8fb3bcdae26dd0acdcb2b52f7f4eb014df6  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init

ES  11.8   opt  101125  db36e8fb3bcdae26dd0acdcb2b52f7f4eb014df6  SIGSEGV|__strcasecmp_l_evex|ha_connect::GetTDB|ha_connect::OpenTable|ha_connect::rnd_init