LeakSanitizer: detected memory leaks on PREPARE with CHANGE MASTER

PREPARE p FROM 'CHANGE MASTER TO IGNORE_server_ids=(1,2,3);';

SHUTDOWN;

2024-04-26 14:53:20 0 [Note] /test/UBASAN_MD240424-mariadb-11.5.0-linux-x86_64-opt/bin/mariadbd: Shutdown complete

Warning: Memory not freed: 152

=================================================================

==2332637==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 152 byte(s) in 1 object(s) allocated from:

    #0 0x5620aeea3f4f in malloc (/test/UBASAN_MD240424-mariadb-11.5.0-linux-x86_64-opt/bin/mariadbd+0x7f72f4f)

    #1 0x5620b352c315 in my_malloc /test/11.5_opt_san/mysys/my_malloc.c:93

    #2 0x5620b34aabd8 in alloc_dynamic /test/11.5_opt_san/mysys/array.c:188

    #3 0x5620b34aae57 in insert_dynamic /test/11.5_opt_san/mysys/array.c:97

    #4 0x5620b0a41af3 in MYSQLparse(THD*) /test/11.5_opt_san/sql/sql_yacc.yy:2346

    #5 0x5620af77af34 in parse_sql(THD*, Parser_state*, Object_creation_ctx*, bool) /test/11.5_opt_san/sql/sql_parse.cc:10168

    #6 0x5620af87d0a6 in Prepared_statement::prepare(char const*, unsigned int) /test/11.5_opt_san/sql/sql_prepare.cc:4183

    #7 0x5620af8b0b52 in mysql_sql_stmt_prepare(THD*) /test/11.5_opt_san/sql/sql_prepare.cc:2817

    #8 0x5620af790457 in mysql_execute_command(THD*, bool) /test/11.5_opt_san/sql/sql_parse.cc:3953

    #9 0x5620af7a2aed in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/11.5_opt_san/sql/sql_parse.cc:7815

    #10 0x5620af7b0519 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/11.5_opt_san/sql/sql_parse.cc:1892

    #11 0x5620af7bace3 in do_command(THD*, bool) /test/11.5_opt_san/sql/sql_parse.cc:1405

    #12 0x5620b014c887 in do_handle_one_connection(CONNECT*, bool) /test/11.5_opt_san/sql/sql_connect.cc:1445

    #13 0x5620b014f27c in handle_one_connection /test/11.5_opt_san/sql/sql_connect.cc:1347

    #14 0x14bb2b08f189 in start_thread nptl/pthread_create.c:444

SUMMARY: AddressSanitizer: 152 byte(s) leaked in 1 allocation(s).

240426 14:53:22 [ERROR] mysqld got signal 6 ;

2024-04-26 15:02:06 0 [Note] /test/UBASAN_MD240424-mariadb-11.5.0-linux-x86_64-dbg/bin/mariadbd: Shutdown complete

Warning: Memory not freed: 152

=================================================================

==3098523==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 152 byte(s) in 1 object(s) allocated from:

    #0 0x561110e6aa1f in __interceptor_malloc (/test/UBASAN_MD240424-mariadb-11.5.0-linux-x86_64-dbg/bin/mariadbd+0x7ec8a1f)

    #1 0x5611157d7fac in my_malloc /test/11.5_dbg_san/mysys/my_malloc.c:93

    #2 0x5611157d85b4 in my_realloc /test/11.5_dbg_san/mysys/my_malloc.c:149

    #3 0x56111576bd15 in alloc_dynamic /test/11.5_dbg_san/mysys/array.c:188

    #4 0x56111576bea9 in insert_dynamic /test/11.5_dbg_san/mysys/array.c:97

    #5 0x561112af0072 in MYSQLparse(THD*) /test/11.5_dbg_san/sql/sql_yacc.yy:2346

    #6 0x5611117b9a5a in parse_sql(THD*, Parser_state*, Object_creation_ctx*, bool) /test/11.5_dbg_san/sql/sql_parse.cc:10168

    #7 0x5611118d7a21 in Prepared_statement::prepare(char const*, unsigned int) /test/11.5_dbg_san/sql/sql_prepare.cc:4183

    #8 0x561111908a0f in mysql_sql_stmt_prepare(THD*) /test/11.5_dbg_san/sql/sql_prepare.cc:2817

    #9 0x5611117c8e29 in mysql_execute_command(THD*, bool) /test/11.5_dbg_san/sql/sql_parse.cc:3953

    #10 0x5611117ef1c5 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/11.5_dbg_san/sql/sql_parse.cc:7815

    #11 0x5611117ff546 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/11.5_dbg_san/sql/sql_parse.cc:1892

    #12 0x56111180e387 in do_command(THD*, bool) /test/11.5_dbg_san/sql/sql_parse.cc:1405

    #13 0x56111224654b in do_handle_one_connection(CONNECT*, bool) /test/11.5_dbg_san/sql/sql_connect.cc:1445

    #14 0x561112247af4 in handle_one_connection /test/11.5_dbg_san/sql/sql_connect.cc:1347

    #15 0x149e70a8f189 in start_thread nptl/pthread_create.c:444

SUMMARY: AddressSanitizer: 152 byte(s) leaked in 1 allocation(s).

240426 15:02:09 [ERROR] mysqld got signal 6 ;

Compiled with a recent version of GCC (I use GCC 12.3.0) and:

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

Set before execution:

    export ASAN_OPTIONS=quarantine_size_mb=512:atexit=0:detect_invalid_pointer_pairs=3:dump_instruction_bytes=1:abort_on_error=1:allocator_may_return_null=1