[Draft] ASAN errors in s3_wrap_free / build_request_headers

perl ./run.pl --base-port=14000 --basedir=/data/bld/main --compatibility=999999 --duration=600 --engine=Aria --engine=Aria --gendata=advanced --grammar=conf/preview/mdev24-repair.yy:0.1 --grammar=conf/yy/all_selects.yy:0.0001  --grammar=conf/yy/backup-locks.yy:0.01 --grammar=conf/yy/engine-s3.yy:0.1 --hashicorp --minio --mysqld=--aria_block_size=8192 --mysqld=--aria_checkpoint_interval=1 --mysqld=--aria_checkpoint_log_activity=2097152 --mysqld=--aria_force_start_after_recovery_failures=10 --mysqld=--aria_group_commit=hard --mysqld=--aria_group_commit=none --mysqld=--aria_group_commit_interval=0 --mysqld=--aria_log_file_size=268435456 --mysqld=--aria_log_purge_type=immediate --mysqld=--aria_max_sort_file_size=9223372036853727232 --mysqld=--aria_page_checksum=off --mysqld=--aria_pagecache_age_threshold=10000 --mysqld=--aria_pagecache_buffer_size=128M --mysqld=--aria_pagecache_division_limit=50 --mysqld=--loose-aria_pagecache_segments=1 --mysqld=--aria_recover=BACKUP --mysqld=--aria_repair_threads=2 --mysqld=--aria_sort_buffer_size=134217728 --mysqld=--aria_stats_method=nulls_equal --mysqld=--aria_sync_log_dir=NEVER --mysqld=--default-storage-engine=Aria --mysqld=--hashicorp-key-management --mysqld=--hashicorp-key-management-cache-timeout=0 --mysqld=--hashicorp-key-management-cache-version-timeout=0 --mysqld=--hashicorp-key-management-caching-enabled=ON --mysqld=--hashicorp-key-management-max-retries=0 --mysqld=--hashicorp-key-management-timeout=1 --mysqld=--hashicorp-key-management-use-cache-on-timeout=ON --mysqld=--innodb-encrypt-log --mysqld=--innodb-encrypt-tables --mysqld=--innodb-encryption-threads=4 --mysqld=--innodb-lock-wait-timeout=15 --mysqld=--join_buffer_size=128K --mysqld=--lock-wait-timeout=30 --mysqld=--log_slow_query=ON --mysqld=--loose-s3-access-key=minio --mysqld=--loose-s3-bucket=rqg --mysqld=--loose-s3-host-name="127.0.0.1" --mysqld=--loose-s3-port=9000 --mysqld=--loose-s3-protocol-version=Auto --mysqld=--loose-s3-region="" --mysqld=--loose-s3-secret-key=minioadmin --mysqld=--loose-s3-use-http=on --mysqld=--loose-s3=on --mysqld=--max-statement-time=60 --mysqld=--optimizer_prune_level=0 --mysqld=--plugin-load-add=ha_s3 --mysqld=--plugin-load-add=hashicorp_key_management --mysqld=--plugin-maturity=experimental --mysqld=--query-cache-type=2 --mysqld=--slave-transaction-retry-errors="1213,1205" --mysqld=--thread_pool_exact_stats=ON --queries=1000000 --reporter=AriaTools --reporters=Backtrace,Deadlock,MemoryUsage,FeatureUsage --scenario=Standard   --threads=1 --vardir=/dev/shm/var-rqg1b --variator=ExecuteAsExecuteImmediate --seed=1749259359

==3643104==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6030000d8810 at pc 0x557bfeddba91 bp 0x7ff3ed7b2680 sp 0x7ff3ed7b2678

READ of size 8 at 0x6030000d8810 thread T20

    #0 0x557bfeddba90 in my_free /data/bld/main-asan-ubsan/mysys/my_malloc.c:207

    #1 0x7ff42180ae27 in s3_wrap_free /data/bld/main-asan-ubsan/storage/maria/s3_func.c:78

    #2 0x7ff42181aa91 in build_request_headers /data/bld/main-asan-ubsan/storage/maria/libmarias3/src/request.c:478

    #3 0x7ff42181c43d in execute_request /data/bld/main-asan-ubsan/storage/maria/libmarias3/src/request.c:817

    #4 0x7ff421817220 in ms3_copy /data/bld/main-asan-ubsan/storage/maria/libmarias3/src/marias3.c:495

    #5 0x7ff4218172d4 in ms3_move /data/bld/main-asan-ubsan/storage/maria/libmarias3/src/marias3.c:510

    #6 0x7ff421812435 in s3_rename_object /data/bld/main-asan-ubsan/storage/maria/s3_func.c:1182

    #7 0x7ff421812b1a in s3_rename_directory /data/bld/main-asan-ubsan/storage/maria/s3_func.c:1239

    #8 0x7ff421812ec3 in aria_rename_s3 /data/bld/main-asan-ubsan/storage/maria/s3_func.c:821

    #9 0x7ff4217fae11 in ha_s3::rename_table(char const*, char const*) /data/bld/main-asan-ubsan/storage/maria/ha_s3.cc:516

    #10 0x557bfcc2f060 in handler::ha_rename_table(char const*, char const*) /data/bld/main-asan-ubsan/sql/handler.cc:5830

    #11 0x557bfbd388de in mysql_rename_table(handlerton*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, st_mysql_const_uns

igned_lex_string const*, unsigned int) /data/bld/main-asan-ubsan/sql/sql_table.cc:5571

    #12 0x557bfbd5afda in mysql_alter_table(THD*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, Table_specification_st*, TABLE_LIST*, Recreate_info*, Alter_info*, unsigned int, st_order*, bo

ol, bool) /data/bld/main-asan-ubsan/sql/sql_table.cc:12075

    #13 0x557bfc086a3d in Sql_cmd_alter_table::execute(THD*) /data/bld/main-asan-ubsan/sql/sql_alter.cc:695

    #14 0x557bfb7f2ea8 in mysql_execute_command(THD*, bool) /data/bld/main-asan-ubsan/sql/sql_parse.cc:5861

    #15 0x557bfb8dfd09 in Prepared_statement::execute(String*, bool) /data/bld/main-asan-ubsan/sql/sql_prepare.cc:5099

    #16 0x557bfb8f1e50 in Prepared_statement::execute_loop(String*, bool, unsigned char*, unsigned char*) /data/bld/main-asan-ubsan/sql/sql_prepare.cc:4463

    #17 0x557bfb8f556b in Prepared_statement::execute_immediate(char const*, unsigned int) /data/bld/main-asan-ubsan/sql/sql_prepare.cc:5252

    #18 0x557bfb8f617f in mysql_sql_stmt_execute_immediate(THD*) /data/bld/main-asan-ubsan/sql/sql_prepare.cc:2877

    #19 0x557bfb7d9388 in mysql_execute_command(THD*, bool) /data/bld/main-asan-ubsan/sql/sql_parse.cc:3960

    #20 0x557bfc4379f1 in sp_instr_stmt::exec_core(THD*, unsigned int*) /data/bld/main-asan-ubsan/sql/sp_instr.cc:1159

    #21 0x557bfc450da4 in sp_lex_keeper::reset_lex_and_exec_core(THD*, unsigned int*, bool, sp_instr*, bool) /data/bld/main-asan-ubsan/sql/sp_instr.cc:356

    #22 0x557bfc4582cf in sp_lex_keeper::validate_lex_and_exec_core(THD*, unsigned int*, bool, sp_lex_instr*) /data/bld/main-asan-ubsan/sql/sp_instr.cc:535

    #23 0x557bfc45ac7b in sp_instr_stmt::execute(THD*, unsigned int*) /data/bld/main-asan-ubsan/sql/sp_instr.cc:1061

    #24 0x557bfb2a21eb in sp_head::execute(THD*, bool) /data/bld/main-asan-ubsan/sql/sp_head.cc:1295

    #25 0x557bfb2ab570 in sp_head::execute_procedure(THD*, List<Item>*) /data/bld/main-asan-ubsan/sql/sp_head.cc:2329

    #26 0x557bfb795c11 in do_execute_sp /data/bld/main-asan-ubsan/sql/sql_parse.cc:3060

    #27 0x557bfb7efa3c in mysql_execute_command(THD*, bool) /data/bld/main-asan-ubsan/sql/sql_parse.cc:5593

    #28 0x557bfb7f794b in mysql_parse(THD*, char*, unsigned int, Parser_state*) /data/bld/main-asan-ubsan/sql/sql_parse.cc:7882

    #29 0x557bfb800988 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /data/bld/main-asan-ubsan/sql/sql_parse.cc:1877

    #30 0x557bfb80d874 in do_command(THD*, bool) /data/bld/main-asan-ubsan/sql/sql_parse.cc:1416

    #31 0x557bfc05825b in do_handle_one_connection(CONNECT*, bool) /data/bld/main-asan-ubsan/sql/sql_connect.cc:1414

    #32 0x557bfc0593c4 in handle_one_connection /data/bld/main-asan-ubsan/sql/sql_connect.cc:1326

    #33 0x557bfdb6ee90 in pfs_spawn_thread /data/bld/main-asan-ubsan/storage/perfschema/pfs.cc:2198

    #34 0x7ff42caa81c3 in start_thread nptl/pthread_create.c:442

    #35 0x7ff42cb2885b in clone3 ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

0x6030000d8810 is located 16 bytes to the left of 32-byte region [0x6030000d8820,0x6030000d8840)

allocated by thread T20 here:

    #0 0x7ff42deb78d5 in __interceptor_realloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:85

    #1 0x7ff42170f760  (/lib/x86_64-linux-gnu/libcurl.so.4+0x24760)

Thread T20 created by T0 here:

    #0 0x7ff42de49726 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:207

    #1 0x557bfdb6ae4c in my_thread_create /data/bld/main-asan-ubsan/storage/perfschema/my_thread.h:38

    #2 0x557bfdb6f30d in pfs_spawn_thread_v1 /data/bld/main-asan-ubsan/storage/perfschema/pfs.cc:2249

    #3 0x557bfb00800b in inline_mysql_thread_create /data/bld/main-asan-ubsan/include/mysql/psi/mysql_thread.h:1139

    #4 0x557bfb00800b in create_thread_to_handle_connection(CONNECT*) /data/bld/main-asan-ubsan/sql/mysqld.cc:6272

    #5 0x557bfb01ab38 in create_new_thread(CONNECT*) /data/bld/main-asan-ubsan/sql/mysqld.cc:6334

    #6 0x557bfb01ad60 in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /data/bld/main-asan-ubsan/sql/mysqld.cc:6396

    #7 0x557bfb01b9a1 in handle_connections_sockets() /data/bld/main-asan-ubsan/sql/mysqld.cc:6508

    #8 0x557bfb01be4d in run_main_loop /data/bld/main-asan-ubsan/sql/mysqld.cc:5750

    #9 0x557bfb01d401 in mysqld_main(int, char**) /data/bld/main-asan-ubsan/sql/mysqld.cc:6173

    #10 0x557bfafedd51 in main /data/bld/main-asan-ubsan/sql/main.cc:34

    #11 0x7ff42ca46249 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58

SUMMARY: AddressSanitizer: heap-buffer-overflow /data/bld/main-asan-ubsan/mysys/my_malloc.c:207 in my_free

Shadow bytes around the buggy address:

  0x0c06800130b0: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd

  0x0c06800130c0: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd

  0x0c06800130d0: fd fd fa fa fd fd fd fd fa fa fd fd fd fd fa fa

  0x0c06800130e0: fd fd fd fd fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c06800130f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fd fd

=>0x0c0680013100: fd fd[fa]fa 00 00 00 00 fa fa fd fd fd fd fa fa

  0x0c0680013110: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd

  0x0c0680013120: fa fa fd fd fd fd fa fa fa fa fa fa fa fa fa fa

  0x0c0680013130: fa fa fa fa fd fd fd fd fa fa fd fd fd fd fa fa

  0x0c0680013140: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd

  0x0c0680013150: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd

Shadow byte legend (one shadow byte represents 8 application bytes):

  Addressable:           00

  Partially addressable: 01 02 03 04 05 06 07 

  Heap left redzone:       fa

  Freed heap region:       fd

  Stack left redzone:      f1

  Stack mid redzone:       f2

  Stack right redzone:     f3

  Stack after return:      f5

  Stack use after scope:   f8

  Global redzone:          f9

  Global init order:       f6

  Poisoned by user:        f7

  Container overflow:      fc

  Array cookie:            ac

  Intra object redzone:    bb

  ASan internal:           fe

  Left alloca redzone:     ca

  Right alloca redzone:    cb

==3643104==ABORTING