[MDEV-38658] SIGSEGV and UBSAN detected null-pointer-use in setup_copy_fields on SELECT - Jira

select * from (select x,0 from (select * from (select * from (select x,0 from (select 1 as x) as x where x in (select 1 as x from (select 0 as x from (select 1 as x) as x where x in (1)) as x where x in (select * from (select 1 as x) as x where x in (select x in ((select * from (select 1 as x from (select 1 as x) as x where x in (1)) as x group by x having not x)) group by x having not x)) group by x having not not x)) as x) as x group by x,x in (select 1 where x in (select 1 where not x in (1)))) as x where x in (1)) as x group by not x in (select (select 1 as x from (select * from (select * from (select 1 as x group by x having not 1) as x where x in (1) group by x,x) as x) as x) in ((select (select * from (select 1 as x from (select 1 as x) as x where x in (1)) as x group by x having not x) in (select 1 as x from (select 1 as x from (select * from (select 1 as x) as x where x in (select x) group by x,x having x in (select x in (select 1 as x from (select 0 as x) as x where x in (select * from (select 1 as x) as x where x in (select 1 as x from (select 1 as x from (select 1 as x) as x where x in (1)) as x where x in (1) group by x having x in (select not (select * from (select * from (select x in (select 1 as x where x in ((select 1 as x from (select 1 as x) as x where x in (select 1 in (1) as x)))) as x from (select 1 as x from (select * from (select * from (select x,0 from (select 1 as x) as x where x in (select 1 as x from (select 1 as x from (select 1 as x) as x where x in (1)) as x where x in (1) group by x having not not x)) as x) as x) as x) as x) as x where x in (1)) as x) from (select 1 as x) as x)))) where not x in (1))) as x where x in (1)) as x where x in (1) group by x having not not x) as x from (select * from (select * from (select 1 as x from (select 1 as x) as x) as x where x in (1)) as x) as x where x in (1))));

CS 12.2.2 6ca70dd64ce56da40fad3bcd0641493210dd0a4c (Debug, Clang 21.1.3-20250923) Build 23/01/2026
Core was generated by `/test/MD230126-mariadb-12.2.2-linux-x86_64-dbg/bin/mariadbd --no-defaults --max'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00005e7d26b7001f in setup_copy_fields (thd=0x787390000d58, param=0x787390092c28, ref_pointer_array=..., res_selected_fields=..., res_all_fields=..., elements=1, all_fields=...)at /test/12.2_dbg/sql/sql_select.cc:29587

[Current thread is 1 (LWP 304783)]
(gdb) bt
#0 0x00005e7d26b7001f in setup_copy_fields (thd=0x787390000d58, param=0x787390092c28, ref_pointer_array={m_array = 0x787390093250, m_size = 20}, res_selected_fields=@0x787390092e08: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x5e7d27b7ea50 <end_of_list>, last = 0x787390092e08, elements = 0}, <No data fields>}, res_all_fields=@0x787390092dc0: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x5e7d27b7ea50 <end_of_list>, last = 0x787390092dc0, elements = 0}, <No data fields>}, elements=1, all_fields=@0x787390092d78: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x787390095250, last = 0x78739002a3c8, elements = 2}, <No data fields>}) at /test/12.2_dbg/sql/sql_select.cc:29587
#1 0x00005e7d26b6c388 in JOIN::make_aggr_tables_info (this=0x7873900929d0)at /test/12.2_dbg/sql/sql_select.cc:4221
#2 0x00005e7d26b5c476 in JOIN::optimize_stage2 (this=0x7873900929d0)at /test/12.2_dbg/sql/sql_select.cc:3622
#3 0x00005e7d26b5a068 in JOIN::optimize_inner (this=0x7873900929d0)at /test/12.2_dbg/sql/sql_select.cc:2794
#4 0x00005e7d26b57c46 in JOIN::optimize (this=0x7873900929d0)at /test/12.2_dbg/sql/sql_select.cc:2021
#5 0x00005e7d26aab976 in st_select_lex::optimize_unflattened_subqueries (this=0x78739001e5e8, const_only=false)at /test/12.2_dbg/sql/sql_lex.cc:5128
#6 0x00005e7d26d6817e in JOIN::optimize_unflattened_subqueries (this=0x787390077730) at /test/12.2_dbg/sql/opt_subselect.cc:5915
#7 0x00005e7d26b5c4c8 in JOIN::optimize_stage2 (this=0x787390077730)at /test/12.2_dbg/sql/sql_select.cc:3637
#8 0x00005e7d26b5a068 in JOIN::optimize_inner (this=0x787390077730)at /test/12.2_dbg/sql/sql_select.cc:2794
#9 0x00005e7d26b57c46 in JOIN::optimize (this=0x787390077730)at /test/12.2_dbg/sql/sql_select.cc:2021
#10 0x00005e7d26a1b4bf in Item_in_subselect::optimize (this=0x78739002cbf8, out_rows=0x7874bc528088, cost=0x7874bc528080)at /test/12.2_dbg/sql/item_subselect.cc:851
#11 0x00005e7d26d69846 in setup_jtbm_semi_joins (join=0x787390097090, join_list=0x78739001bde0, eq_list=@0x7874bc528468: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x5e7d27b7ea50 <end_of_list>, last = 0x7874bc528468, elements = 0}, <No data fields>}) at /test/12.2_dbg/sql/opt_subselect.cc:6641
#12 0x00005e7d26b593dc in JOIN::optimize_inner (this=0x787390097090)at /test/12.2_dbg/sql/sql_select.cc:2543
#13 0x00005e7d26b57c46 in JOIN::optimize (this=0x787390097090)at /test/12.2_dbg/sql/sql_select.cc:2021
#14 0x00005e7d26a839ff in mysql_derived_optimize (thd=0x787390000d58, lex=0x787390005098, derived=0x7873900322f8)at /test/12.2_dbg/sql/sql_derived.cc:1048
#15 0x00005e7d26a853cf in mysql_handle_single_derived (lex=0x787390005098, derived=0x7873900322f8, phases=4) at /test/12.2_dbg/sql/sql_derived.cc:203
#16 0x00005e7d26b59717 in JOIN::optimize_inner (this=0x787390075938)at /test/12.2_dbg/sql/sql_select.cc:2588
#17 0x00005e7d26b57c46 in JOIN::optimize (this=0x787390075938)at /test/12.2_dbg/sql/sql_select.cc:2021
#18 0x00005e7d26b5057d in mysql_select (thd=0x787390000d58, tables=0x787390033718, fields=@0x78739001b218: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x78739001b560, last = 0x78739009be68, elements = 2}, <No data fields>}, conds=0x0, og_num=1, order=0x0, group=0x787390074f80, having=0x0, proc_param=0x0, select_options=2164525824, result=0x787390075910, unit=0x787390005178, select_lex=0x78739001af60)at /test/12.2_dbg/sql/sql_select.cc:5430
#19 0x00005e7d26b500fd in handle_select (thd=0x787390000d58, lex=0x787390005098, result=0x787390075910, setup_tables_done_option=0)at /test/12.2_dbg/sql/sql_select.cc:636
#20 0x00005e7d26afb75a in execute_sqlcom_select (thd=0x787390000d58, all_tables=0x787390033718) at /test/12.2_dbg/sql/sql_parse.cc:6210
#21 0x00005e7d26af1ac3 in mysql_execute_command (thd=0x787390000d58, is_called_from_prepared_stmt=false) at /test/12.2_dbg/sql/sql_parse.cc:3967
#22 0x00005e7d26aeaa08 in mysql_parse (thd=0x787390000d58, rawbuf=0x78739001a078 "select * from (select x,0 from (select * from (select * from (select x,0 from (select 1 as x) as x where x in (select 1 as x from (select 0 as x from (select 1 as x) as x where x in (1)) as x where x "..., length=1862, parser_state=0x7874bc52aa00)at /test/12.2_dbg/sql/sql_parse.cc:7932
#23 0x00005e7d26ae81ce in dispatch_command (command=COM_QUERY, thd=0x787390000d58, packet=0x78739000b249 "select * from (select x,0 from (select * from (select * from (select x,0 from (select 1 as x) as x where x in (select 1 as x from (select 0 as x from (select 1 as x) as x where x in (1)) as x where x "..., packet_length=1862, blocking=true) at /test/12.2_dbg/sql/sql_parse.cc:1896
#24 0x00005e7d26aeb48a in do_command (thd=0x787390000d58, blocking=true)at /test/12.2_dbg/sql/sql_parse.cc:1432
#25 0x00005e7d26cdf0fe in do_handle_one_connection (connect=0x5e7d29cf5e78, put_in_cache=true) at /test/12.2_dbg/sql/sql_connect.cc:1503
#26 0x00005e7d26cdeee1 in handle_one_connection (arg=0x5e7d29c51a98)at /test/12.2_dbg/sql/sql_connect.cc:1415
#27 0x00007874bf29ca94 in start_thread (arg=<optimized out>)at ./nptl/pthread_create.c:447
#28 0x00007874bf329c3c in clone3 ()at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Bug Detection Matrix
Rel o/d Build Commit UniqueID observed
CS 10.6 dbg 230126 cd02709a315c9f08965d6b8fb7e75baaae17a4f4 No bug found
CS 10.6 opt 230126 cd02709a315c9f08965d6b8fb7e75baaae17a4f4 No bug found
CS 10.11 dbg 230126 b061b5ab1f2cd2a6993e53dc24a865304ced14cd SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 10.11 opt 230126 b061b5ab1f2cd2a6993e53dc24a865304ced14cd SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 11.4 dbg 260126 b6d0e23d76fe5936b6a29379ab494852e4d493b1 SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 11.4 opt 260126 b6d0e23d76fe5936b6a29379ab494852e4d493b1 SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 11.8 dbg 230126 01ff5ae6b677bead4c41d91bf5afb25c593a1d02 SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 11.8 opt 230126 01ff5ae6b677bead4c41d91bf5afb25c593a1d02 SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 12.2 dbg 230126 6ca70dd64ce56da40fad3bcd0641493210dd0a4c SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 12.2 opt 230126 6ca70dd64ce56da40fad3bcd0641493210dd0a4c SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 12.3 dbg 230126 4528b8a585c09611d61340b721b3efaf13018f65 SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 12.3 opt 230126 4528b8a585c09611d61340b721b3efaf13018f65 SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
ES 10.6 dbg 230126 0fe345fff3a0463224ca714831303d40fb83648b No bug found
ES 10.6 opt 230126 0fe345fff3a0463224ca714831303d40fb83648b No bug found
ES 11.4 dbg 230126 34f616d5fd2c649d0c79acb4e2423c90b8f10436 SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
ES 11.4 opt 230126 34f616d5fd2c649d0c79acb4e2423c90b8f10436 SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
ES 11.8 dbg 230126 405ee76b60c4ab82155f339136ed20d3b7363717 SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
ES 11.8 opt 230126 405ee76b60c4ab82155f339136ed20d3b7363717 SIGSEGV\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
MS 5.5 dbg 070123 bac287c315b1792e7ae33f91add6a60292f9bae8 No bug found
MS 5.5 opt 070123 bac287c315b1792e7ae33f91add6a60292f9bae8 No bug found
MS 5.6 dbg 070123 dab95781a1244104d6b87020ac2fc4d190ba2946 No bug found
MS 5.6 opt 070123 dab95781a1244104d6b87020ac2fc4d190ba2946 No bug found
MS 5.7 dbg 070525 f7680e98b6bbe3500399fbad465d08a6b75d7a5c No bug found
MS 5.7 opt 070525 f7680e98b6bbe3500399fbad465d08a6b75d7a5c No bug found
MS 8.0 dbg 060224 49ef33f7edadef3ae04665e73d1babd40179a4f1 No bug found
MS 8.0 opt 060224 49ef33f7edadef3ae04665e73d1babd40179a4f1 No bug found
MS 9.1 dbg 211024 61a3a1d8ef15512396b4c2af46e922a19bf2b174 No bug found
MS 9.1 opt 211024 61a3a1d8ef15512396b4c2af46e922a19bf2b174 No bug found

CS 12.2.2 6ca70dd64ce56da40fad3bcd0641493210dd0a4c (Debug, UBASAN, Clang 21.1.3-20250923) Build 23/01/2026
/test/12.2_dbg_san/sql/sql_select.cc:29587:24: runtime error: member access within null pointer of type 'Field'
#0 0x5e5291544a7a in setup_copy_fields(THD, TMP_TABLE_PARAM, Bounds_checked_array<Item*>, List<Item>&, List<Item>&, unsigned int, List<Item>&) /test/12.2_dbg_san/sql/sql_select.cc:29587:24
#1 0x5e52915300c5 in JOIN::make_aggr_tables_info() /test/12.2_dbg_san/sql/sql_select.cc:4221:5
#2 0x5e52914d409f in JOIN::optimize_stage2() /test/12.2_dbg_san/sql/sql_select.cc:3622:9
#3 0x5e52914d13e3 in JOIN::optimize_inner() /test/12.2_dbg_san/sql/sql_select.cc:2794:9
#4 0x5e52914cc536 in JOIN::optimize() /test/12.2_dbg_san/sql/sql_select.cc:2021:10
#5 0x5e5291256d28 in st_select_lex::optimize_unflattened_subqueries(bool) /test/12.2_dbg_san/sql/sql_lex.cc:5128:31
#6 0x5e52914d414c in JOIN::optimize_stage2() /test/12.2_dbg_san/sql/sql_select.cc:3637:7
#7 0x5e52914d13e3 in JOIN::optimize_inner() /test/12.2_dbg_san/sql/sql_select.cc:2794:9
#8 0x5e52914cc536 in JOIN::optimize() /test/12.2_dbg_san/sql/sql_select.cc:2021:10
#9 0x5e5291020eb3 in Item_in_subselect::optimize(double, double) /test/12.2_dbg_san/sql/item_subselect.cc:851:19
#10 0x5e5291cdfb28 in setup_jtbm_semi_joins(JOIN, List<TABLE_LIST>, List<Item>&) /test/12.2_dbg_san/sql/opt_subselect.cc:6641:22
#11 0x5e52914d0674 in JOIN::optimize_inner() /test/12.2_dbg_san/sql/sql_select.cc:2543:7
#12 0x5e52914cc536 in JOIN::optimize() /test/12.2_dbg_san/sql/sql_select.cc:2021:10
#13 0x5e52911a6365 in mysql_derived_optimize(THD, LEX, TABLE_LIST*) /test/12.2_dbg_san/sql/sql_derived.cc:1048:23
#14 0x5e52911ae0b7 in mysql_handle_single_derived(LEX, TABLE_LIST, unsigned int) /test/12.2_dbg_san/sql/sql_derived.cc:203:15
#15 0x5e52914d0b60 in JOIN::optimize_inner() /test/12.2_dbg_san/sql/sql_select.cc:2588:11
#16 0x5e52914cc536 in JOIN::optimize() /test/12.2_dbg_san/sql/sql_select.cc:2021:10
#17 0x5e52914ab7df in mysql_select(THD, TABLE_LIST, List<Item>&, Item, unsigned int, st_order, st_order, Item, st_order, unsigned long long, select_result, st_select_lex_unit, st_select_lex) /test/12.2_dbg_san/sql/sql_select.cc:5430:19
#18 0x5e52914aa5c7 in handle_select(THD, LEX, select_result*, unsigned long long) /test/12.2_dbg_san/sql/sql_select.cc:636:10
#19 0x5e529135bc5d in execute_sqlcom_select(THD, TABLE_LIST) /test/12.2_dbg_san/sql/sql_parse.cc:6210:12
#20 0x5e5291345fe0 in mysql_execute_command(THD*, bool) /test/12.2_dbg_san/sql/sql_parse.cc:3967:12
#21 0x5e529131fb78 in mysql_parse(THD, char, unsigned int, Parser_state*) /test/12.2_dbg_san/sql/sql_parse.cc:7932:18
#22 0x5e529131796f in dispatch_command(enum_server_command, THD, char, unsigned int, bool) /test/12.2_dbg_san/sql/sql_parse.cc:1896:7
#23 0x5e5291321fba in do_command(THD*, bool) /test/12.2_dbg_san/sql/sql_parse.cc:1432:17
#24 0x5e5291b30f1c in do_handle_one_connection(CONNECT*, bool) /test/12.2_dbg_san/sql/sql_connect.cc:1503:11
#25 0x5e5291b30a25 in handle_one_connection /test/12.2_dbg_san/sql/sql_connect.cc:1415:5
#26 0x5e529027c7ca in asan_thread_start(void*) crtstuff.c
#27 0x7abcc729ca93 in start_thread nptl/pthread_create.c:447:8
#28 0x7abcc7329c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

SUMMARY: UndefinedBehaviorSanitizer: null-pointer-use /test/12.2_dbg_san/sql/sql_select.cc:29587:24

Compiled with a recent version of Clang and LLVM. Ubuntu instructions for Clang/LLVM 18:

  # Note: It is strongly recommended to uninstall all old Clang & LLVM packages (ref  dpkg --list | grep -iE 'clang|llvm'  and use  apt purge  and  dpkg --purge  to remove the packages), before installing Clang/LLVM 18

     sudo apt install clang llvm-18 llvm-18-linker-tools llvm-18-runtime llvm-18-tools llvm-18-dev libstdc++-14-dev llvm-dev lld-18

Compiled with: "-DCMAKE_C_COMPILER=/usr/bin/clang -DCMAKE_CXX_COMPILER=/usr/bin/clang++ -DCMAKE_C{,XX}_FLAGS='-march=native -mtune=native'" and:

    -DWITH_ASAN=ON -DWITH_ASAN_SCOPE=ON -DWITH_UBSAN=ON -DWSREP_LIB_WITH_ASAN=ON

Set before execution:

    export UBSAN_OPTIONS=print_stacktrace=1:report_error_type=1   # And you may also want to supress UBSAN startup issues using 'suppressions=UBSAN.filter' in UBSAN_OPTIONS. For an example of UBSAN.filter, which includes current startup issues see: https://github.com/mariadb-corporation/mariadb-qa/blob/master/UBSAN.filter

SAN Bug Detection Matrix
Rel o/d Build Commit UniqueID observed
CS 10.6 dbg 230126 cd02709a315c9f08965d6b8fb7e75baaae17a4f4 No bug found
CS 10.6 opt 230126 cd02709a315c9f08965d6b8fb7e75baaae17a4f4 No bug found
CS 10.11 dbg 230126 b061b5ab1f2cd2a6993e53dc24a865304ced14cd UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 10.11 opt 230126 b061b5ab1f2cd2a6993e53dc24a865304ced14cd UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 11.4 dbg 260126 b6d0e23d76fe5936b6a29379ab494852e4d493b1 UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 11.4 opt 260126 b6d0e23d76fe5936b6a29379ab494852e4d493b1 UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 11.8 dbg 230126 01ff5ae6b677bead4c41d91bf5afb25c593a1d02 UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 11.8 opt 230126 01ff5ae6b677bead4c41d91bf5afb25c593a1d02 UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 12.2 dbg 230126 6ca70dd64ce56da40fad3bcd0641493210dd0a4c UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 12.2 opt 230126 6ca70dd64ce56da40fad3bcd0641493210dd0a4c UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 12.3 dbg 230126 4528b8a585c09611d61340b721b3efaf13018f65 UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
CS 12.3 opt 230126 4528b8a585c09611d61340b721b3efaf13018f65 UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
ES 10.6 dbg 260126 0fe345fff3a0463224ca714831303d40fb83648b No bug found
ES 10.6 opt 230126 0fe345fff3a0463224ca714831303d40fb83648b No bug found
ES 11.4 dbg 260126 34f616d5fd2c649d0c79acb4e2423c90b8f10436 UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
ES 11.4 opt 260126 34f616d5fd2c649d0c79acb4e2423c90b8f10436 UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
ES 11.8 dbg 230126 405ee76b60c4ab82155f339136ed20d3b7363717 UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner
ES 11.8 opt 230126 405ee76b60c4ab82155f339136ed20d3b7363717 UBSAN\|member access within null pointer of type 'Field'\|sql/sql_select.cc\|setup_copy_fields\|JOIN::make_aggr_tables_info\|JOIN::optimize_stage2\|JOIN::optimize_inner

SIGSEGV and UBSAN detected null-pointer-use in setup_copy_fields on SELECT

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