Memory leaks after calling mysqldump -L when nothing matches pattern

--exec $MYSQL_DUMP -L -B _

CURRENT_TEST: main.1_my

mariadb-dump: Error: no databases matching the pattern '_' found.

Memory report from safemalloc

Warning:  352 bytes lost at 0x615000004e70, allocated by T@0 at mysys/my_malloc.c:93, client/mysqldump.cc:7437, client/mysqldump.cc:7669, addr2line: DWARF error: section .debug_info is larger than its filesize! (0x93f189 vs 0x531050)

0x7f24c606e083, 0x5617d9e4d60e

Memory lost: 352 bytes in 1 chunks of 1 total chunks

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

==3906097==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 144 byte(s) in 1 object(s) allocated from:

    #0 0x7f24c6aac2b7 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:77

    #1 0x5617d9e9a500 in mysql_store_result /12/src/libmariadb/libmariadb/mariadb_lib.c:3030

    #2 0x5617d9e5165c in mysql_query_with_error_report /12/src/client/mysqldump.cc:1517

    #3 0x5617d9e6f86c in dump_databases_wild(int, char**) /12/src/client/mysqldump.cc:7447

    #4 0x5617d9e70b17 in main /12/src/client/mysqldump.cc:7669

    #5 0x7f24c606e082 in __libc_start_main ../csu/libc-start.c:308

Indirect leak of 8168 byte(s) in 1 object(s) allocated from:

    #0 0x7f24c6aac8ff in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69

    #1 0x5617d9eb0dc4 in ma_alloc_root /12/src/libmariadb/libmariadb/ma_alloc.c:91

    #2 0x5617d9e89979 in unpack_fields /12/src/libmariadb/libmariadb/mariadb_lib.c:1111

    #3 0x5617d9e996cb in mthd_my_read_query_result /12/src/libmariadb/libmariadb/mariadb_lib.c:2941

    #4 0x5617d9e9a24e in mysql_real_query /12/src/libmariadb/libmariadb/mariadb_lib.c:3008

    #5 0x5617d9e95fde in mysql_query /12/src/libmariadb/libmariadb/mariadb_lib.c:2570

    #6 0x5617d9e51645 in mysql_query_with_error_report /12/src/client/mysqldump.cc:1516

    #7 0x5617d9e6f86c in dump_databases_wild(int, char**) /12/src/client/mysqldump.cc:7447

    #8 0x5617d9e70b17 in main /12/src/client/mysqldump.cc:7669

    #9 0x7f24c606e082 in __libc_start_main ../csu/libc-start.c:308

Indirect leak of 96 byte(s) in 1 object(s) allocated from:

    #0 0x7f24c6aac2b7 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:77

    #1 0x5617d9e8a890 in mthd_my_read_rows /12/src/libmariadb/libmariadb/mariadb_lib.c:1202

    #2 0x5617d9e9a7d0 in mysql_store_result /12/src/libmariadb/libmariadb/mariadb_lib.c:3038

    #3 0x5617d9e5165c in mysql_query_with_error_report /12/src/client/mysqldump.cc:1517

    #4 0x5617d9e6f86c in dump_databases_wild(int, char**) /12/src/client/mysqldump.cc:7447

    #5 0x5617d9e70b17 in main /12/src/client/mysqldump.cc:7669

    #6 0x7f24c606e082 in __libc_start_main ../csu/libc-start.c:308

SUMMARY: AddressSanitizer: 8408 byte(s) leaked in 3 allocation(s).

Aborted

mysqltest: At line 3: exec of '/12/bld/client//mariadb-dump --defaults-file=/12/bld/mysql-test/var/my.cnf --defaults-group-suffix=.1 -L -B _' failed, error: 34304, status: 134, errno: 11

Output from before failure:

/*M!999999\- enable the sandbox mode */ 

-- MariaDB dump 10.19-12.0.1-MariaDB, for Linux (x86_64)

--

-- Host: localhost    Database: _

-- ------------------------------------------------------

-- Server version   12.0.1-MariaDB-debug-log

/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;

/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;

/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;

/*!40101 SET NAMES utf8mb4 */;

/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;

/*!40103 SET TIME_ZONE='+00:00' */;

/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;

/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;

/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;

/*M!100616 SET @OLD_NOTE_VERBOSITY=@@NOTE_VERBOSITY, NOTE_VERBOSITY=0 */;

/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;

/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;

/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;

/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;

/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;

/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;

/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;

/*M!100616 SET NOTE_VERBOSITY=@OLD_NOTE_VERBOSITY */;

-- Dump completed on 2025-07-16 12:39:17