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/11.7_dbg_san/sql/keycaches.cc:330:12: runtime error: call to function adjust_optimizer_costs(void*, OPTIMIZER_COSTS*, void*) through pointer to incorrect function type 'int (*)(const st_mysql_const_lex_string *, const OPTIMIZER_COSTS *, TABLE *)'

/test/11.7_dbg_san/sql/mysqld.cc:4928: note: adjust_optimizer_costs(void*, OPTIMIZER_COSTS*, void*) defined here

    #0 0x55bdcb57b92c in process_optimizer_costs /test/11.7_dbg_san/sql/keycaches.cc:330:12

    #1 0x55bdcb5090a1 in init_server_components() /test/11.7_dbg_san/sql/mysqld.cc:5310:5

    #2 0x55bdcb4fcb1c in mysqld_main(int, char**) /test/11.7_dbg_san/sql/mysqld.cc:6019:7

    #3 0x55bdcb4e74a3 in main /test/11.7_dbg_san/sql/main.cc:34:10

    #4 0x150406a2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16

    #5 0x150406a2a28a in __libc_start_main csu/../csu/libc-start.c:360:3

    #6 0x55bdcb40bc74 in _start (/test/UBASAN_MD271124-mariadb-11.7.1-linux-x86_64-dbg/bin/mariadbd+0x420ac74) (BuildId: 4ffc5d87b420973421d7e440cab2c81981d3640e)

SUMMARY: UndefinedBehaviorSanitizer: function-type-mismatch /test/11.7_dbg_san/sql/keycaches.cc:330:12

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