export UBSAN_OPTIONS=print_stacktrace=1:report_error_type=1

rm -Rf data tmp 

mkdir tmp 

./scripts/mariadb-install-db --no-defaults --force --auth-root-authentication-method=normal --basedir=${PWD} --tmpdir=${PWD}/tmp --datadir=${PWD}/data

/test/10.6_dbg_san/mysys/tree.c:249:9: runtime error: call to function FT_STOPWORD_cmp through pointer to incorrect function type 'int (*)(void *, const void *, const void *)'

/test/10.6_dbg_san/storage/myisam/ft_stopwords.c:35: note: FT_STOPWORD_cmp defined here

    #0 0x560383995267 in tree_insert /test/10.6_dbg_san/mysys/tree.c:249:9

    #1 0x56038358458a in ft_add_stopword /test/10.6_dbg_san/storage/myisam/ft_stopwords.c:54:12

    #2 0x560383583f54 in ft_init_stopwords /test/10.6_dbg_san/storage/myisam/ft_stopwords.c:118:11

    #3 0x56037ce15b7f in init_server_components() /test/10.6_dbg_san/sql/mysqld.cc:5501:3

    #4 0x56037ce07ab0 in mysqld_main(int, char**) /test/10.6_dbg_san/sql/mysqld.cc:5806:7

    #5 0x56037cdf2863 in main /test/10.6_dbg_san/sql/main.cc:34:10

    #6 0x14dcc422a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16

    #7 0x14dcc422a28a in __libc_start_main csu/../csu/libc-start.c:360:3

    #8 0x56037cd17034 in _start (/test/UBASAN_MD271124-mariadb-10.6.21-linux-x86_64-dbg/bin/mariadbd+0x3eb8034) (BuildId: 3cd87cd3953ac9cf3a930328b34dbd55d44c8146)

SUMMARY: UndefinedBehaviorSanitizer: function-type-mismatch /test/10.6_dbg_san/mysys/tree.c:249:9 

sudo apt install clang llvm-18 llvm-18-linker-tools llvm-18-runtime llvm-18-tools llvm-18-dev libstdc++-14-dev llvm-dev llvm-17-linker-tools  # llvm-17-linker-tools installs /usr/lib/llvm-17/lib/LLVMgold.so, which is needed for compilation, and LLVMgold.so is no longer included in LLVM 18

sudo ln -s /usr/lib/llvm-17/lib/LLVMgold.so /usr/lib/llvm-18/lib/LLVMgold.so

...

export UBSAN_OPTIONS=print_stacktrace=1:report_error_type=1