Clang Address Sanitizer (Postgres14) Detected Memory Leaks

Hi,

Is this something to worry about, or is it another problem with the analysis tool, that nobody cares about?

clang 10 (64 bits)

postgres 14 (latest)

31422==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 4560 byte(s) in 1 object(s) allocated from:
    #0 0x50e33d in malloc (/usr/src/postgres/tmp_install/usr/local/pgsql/bin/postgres+0x50e33d)
    #1 0x186d52f in ConvertTimeZoneAbbrevs /usr/src/postgres/src/backend/utils/adt/datetime.c:4511:8
    #2 0x1d9b5e9 in load_tzoffsets /usr/src/postgres/src/backend/utils/misc/tzparser.c:465:12
    #3 0x1d8ca3f in check_timezone_abbreviations /usr/src/postgres/src/backend/utils/misc/guc.c:11389:11
    #4 0x1d6a398 in call_string_check_hook /usr/src/postgres/src/backend/utils/misc/guc.c:11056:7
    #5 0x1d68f29 in parse_and_validate_value /usr/src/postgres/src/backend/utils/misc/guc.c:6870:10
    #6 0x1d6567d in set_config_option /usr/src/postgres/src/backend/utils/misc/guc.c:7473:11
    #7 0x1d7f8f4 in ProcessGUCArray /usr/src/postgres/src/backend/utils/misc/guc.c:10608:10
    #8 0x9d0c8d in ApplySetting /usr/src/postgres/src/backend/catalog/pg_db_role_setting.c:256:4
    #9 0x1d4ad93 in process_settings /usr/src/postgres/src/backend/utils/init/postinit.c:1174:2
    #10 0x1d48e39 in InitPostgres /usr/src/postgres/src/backend/utils/init/postinit.c:1059:2
    #11 0x14a2c1a in BackgroundWorkerInitializeConnectionByOid /usr/src/postgres/src/backend/postmaster/postmaster.c:5758:2
    #12 0x853feb in ParallelWorkerMain /usr/src/postgres/src/backend/access/transam/parallel.c:1373:2
    #13 0x146e5fb in StartBackgroundWorker /usr/src/postgres/src/backend/postmaster/bgworker.c:813:2
    #14 0x14af69b in do_start_bgworker /usr/src/postgres/src/backend/postmaster/postmaster.c:5879:4
    #15 0x14a1487 in maybe_start_bgworkers /usr/src/postgres/src/backend/postmaster/postmaster.c:6104:9
    #16 0x149e5aa in sigusr1_handler /usr/src/postgres/src/backend/postmaster/postmaster.c:5269:3
    #17 0x7fcffa75a3bf  (/lib/x86_64-linux-gnu/libpthread.so.0+0x153bf)
    #18 0x149d655 in PostmasterMain /usr/src/postgres/src/backend/postmaster/postmaster.c:1414:11
    #19 0x108402e in main /usr/src/postgres/src/backend/main/main.c:209:3
    #20 0x7fcffa54e0b2 in __libc_start_main /build/glibc-YYA7BZ/glibc-2.31/csu/../csu/libc-start.c:308:16

Direct leak of 1020 byte(s) in 15 object(s) allocated from:
    #0 0x4fa6e4 in strdup (/usr/src/postgres/tmp_install/usr/local/pgsql/bin/postgres+0x4fa6e4)
    #1 0x1d6a1c7 in guc_strdup /usr/src/postgres/src/backend/utils/misc/guc.c:4889:9
    #2 0x1d7efc7 in set_config_sourcefile /usr/src/postgres/src/backend/utils/misc/guc.c:7696:15
    #3 0x1d7c95e in ProcessConfigFileInternal /usr/src/postgres/src/backend/utils/misc/guc-file.l:478:4
    #4 0x1d5b33f in ProcessConfigFile /usr/src/postgres/src/backend/utils/misc/guc-file.l:156:9
    #5 0x1d5ae7d in SelectConfigFiles /usr/src/postgres/src/backend/utils/misc/guc.c:5674:2
    #6 0x149b6ce in PostmasterMain /usr/src/postgres/src/backend/postmaster/postmaster.c:884:7

Ranier Vilela