[DRAFT]Assertion 'val == 0xF0' failed in mach_read_next_compressed during CHECK TABLE

# 2026-05-13T09:16:31 [362076] | mariadbd: /data/Server/main_latest/storage/innobase/include/mach0data.inl:322: ib_uint32_t mach_read_next_compressed(const byte**): Assertion `val == 0xF0' failed.

# $RQG_HOME/rqg.pl \

# --gendata=conf/engines/engine_stress.zz \

# --views \

# --grammar=conf/engines/engine_stress.yy \

# --redefine=conf/mariadb/redefine_innodb_log_archive.yy \

# --mysqld=--loose-innodb_log_archive=ON \

# --mysqld=--loose-innodb_log_file_size=128M \

# --reporters=LogArchiveRecovery,Deadlock,Backtrace \

# --mysqld=--loose-innodb_lock_schedule_algorithm=fcfs \

# --mysqld=--loose-idle_write_transaction_timeout=0 \

# --mysqld=--loose-idle_transaction_timeout=0 \

# --mysqld=--loose-idle_readonly_transaction_timeout=0 \

# --mysqld=--connect_timeout=60 \

# --mysqld=--interactive_timeout=28800 \

# --mysqld=--slave_net_timeout=60 \

# --mysqld=--net_read_timeout=30 \

# --mysqld=--net_write_timeout=60 \

# --mysqld=--loose-table_lock_wait_timeout=50 \

# --mysqld=--wait_timeout=28800 \

# --no_mask \

# --queries=10000000 \

# --seed=random \

# --reporters=None \

# --reporters=ErrorLog \

# --reporters=Deadlock \

# --validators=None \

# --mysqld=--log_output=none \

# --mysqld=--log_bin_trust_function_creators=1 \

# --mysqld=--loose-debug_assert_on_not_freed_memory=0 \

# --engine=InnoDB \

# --restart_timeout=240 \

# --mysqld=--plugin-load-add=file_key_management.so \

# --mysqld=--loose-file-key-management-filename=$RQG_HOME/conf/mariadb/encryption_keys.txt \

# --mysqld=--plugin-load-add=provider_lzo.so \

# --mysqld=--plugin-load-add=provider_bzip2.so \

# --mysqld=--plugin-load-add=provider_lzma.so \

# --mysqld=--plugin-load-add=provider_snappy.so \

# --mysqld=--plugin-load-add=provider_lz4.so \

# --mysqld=--loose-innodb_compression_level=1 \

# --duration=300 \

# --mysqld=--loose-innodb_fatal_semaphore_wait_threshold=300 \

# --mysqld=--loose-innodb_data_file_path=ibdata1:1M:autoextend:autoshrink \

# --redefine=conf/mariadb/redefine_innodb_log_size_dynamic.yy \

# --redefine=conf/mariadb/redefine_indexed_vcols.yy \

# --mysqld=--lock-wait-timeout=86400 \

# --mysqld=--innodb-lock-wait-timeout=50 \

# --mysqld=--sql_mode=traditional \

# --mysqld=--innodb_file_per_table=1 \

# --mysqld=--loose-innodb_read_only_compressed=OFF \

# --mysqld=--loose-innodb-sync-debug \

# --mysqld=--innodb_stats_persistent=on \

# --mysqld=--innodb_adaptive_hash_index=on \

# --mysqld=--innodb_sort_buffer_size=65536 \

# --mysqld=--innodb_random_read_ahead=ON \

# --mysqld=--log-bin \

# --mysqld=--sync-binlog=1 \

# --mysqld=--loose-innodb_evict_tables_on_commit_debug=on \

# --mysqld=--loose-max-statement-time=30 \

# --threads=9 \

# --rr=rr record --wait \

# --mysqld=--innodb_undo_log_truncate=ON \

# --mysqld=--innodb_undo_tablespaces=3 \

# --mysqld=--innodb_rollback_on_timeout=OFF \

# --mysqld=--innodb_page_size=4K \

# --mysqld=--innodb-buffer-pool-size=5M \

# --vardir_type=fast \

# --no_mask \

# --batch \

# --basedir1=/Server_bin/main_latest_debug_Og \

# --basedir2=/Server_bin/main_latest_debug_Og \

# --script_debug=_nix_ \

# --major_runid=1778659851 \

# --minor_runid=81

# 2026-05-13T09:18:15 [362076] | #0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44

# 2026-05-13T09:18:15 [362076] | #1  __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78

# 2026-05-13T09:18:15 [362076] | #2  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89

# 2026-05-13T09:18:15 [362076] | #3  0x0000751e44a4526e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26

# 2026-05-13T09:18:15 [362076] | #4  0x0000751e44a288ff in __GI_abort () at ./stdlib/abort.c:79

# 2026-05-13T09:18:15 [362076] | #5  0x0000751e44a2881b in __assert_fail_base (fmt=0x751e44bd01e8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x577d4b6a8bd1 "val == 0xF0", file=file@entry=0x577d4b59cee0 "/data/Server/main_latest/storage/innobase/include/mach0data.inl", line=line@entry=322, function=function@entry=0x577d4b5ea4d0 "ib_uint32_t mach_read_next_compressed(const byte**)") at ./assert/assert.c:94

# 2026-05-13T09:18:15 [362076] | #6  0x0000751e44a3b507 in __assert_fail (assertion=0x577d4b6a8bd1 "val == 0xF0", file=0x577d4b59cee0 "/data/Server/main_latest/storage/innobase/include/mach0data.inl", line=322, function=0x577d4b5ea4d0 "ib_uint32_t mach_read_next_compressed(const byte**)") at ./assert/assert.c:103

# 2026-05-13T09:18:15 [362076] | #7  0x0000577d4b1fa7f9 in mach_read_next_compressed (b=b@entry=0x751e43db1788) at /data/Server/main_latest/storage/innobase/include/mach0data.inl:322

# 2026-05-13T09:18:15 [362076] | #8  0x0000577d4b1facab in mach_u64_read_next_compressed (b=b@entry=0x751e43db1788) at /data/Server/main_latest/storage/innobase/include/mach0data.inl:446

# 2026-05-13T09:18:15 [362076] | #9  0x0000577d4b1fcaf4 in trx_undo_update_rec_get_sys_cols (ptr=<optimized out>, trx_id=trx_id@entry=0x751e43db17f8, roll_ptr=roll_ptr@entry=0x751e43db1800, info_bits=info_bits@entry=0x751e43db17e7 "\004") at /data/Server/main_latest/storage/innobase/trx/trx0rec.cc:1428

# 2026-05-13T09:18:15 [362076] | #10 0x0000577d4b20085b in trx_undo_prev_version (rec=rec@entry=0x6d1e1036086f "\307\025", index=index@entry=0x577d4d1e29b8, offsets=offsets@entry=0x6d1e102e5598, heap=<optimized out>, heap@entry=0x6d1e10360ba0, old_vers=old_vers@entry=0x751e43db1c08, check=..., v_status=0, v_heap=0x0, vrow=0x0, undo_rec=0x6d1e3511b110 "\001\036\v") at /data/Server/main_latest/storage/innobase/trx/trx0rec.cc:2235

# 2026-05-13T09:18:15 [362076] | #11 0x0000577d4b201498 in trx_undo_prev_version_build (rec=rec@entry=0x6d1e1036086f "\307\025", index=index@entry=0x577d4d1e29b8, offsets=offsets@entry=0x6d1e102e5598, heap=heap@entry=0x6d1e10360ba0, old_vers=old_vers@entry=0x751e43db1c08, mtr=mtr@entry=0x751e43db2080, v_status=0, v_heap=0x0, vrow=0x0) at /data/Server/main_latest/storage/innobase/trx/trx0rec.cc:2198

# 2026-05-13T09:18:15 [362076] | #12 0x0000577d4b1c69ba in row_check_index (prebuilt=<optimized out>, n_rows=n_rows@entry=0x751e43db2478) at /data/Server/main_latest/storage/innobase/row/row0sel.cc:6613

# 2026-05-13T09:18:15 [362076] | #13 0x0000577d4b04f740 in ha_innobase::check (this=0x6d1e1018dd80, thd=0x6d1e100017b8, check_opt=0x6d1e10007090) at /data/Server/main_latest/storage/innobase/handler/ha_innodb.cc:15554

# 2026-05-13T09:18:15 [362076] | #14 0x0000577d4adb263b in handler::ha_check (this=0x6d1e1018dd80, thd=thd@entry=0x6d1e100017b8, check_opt=check_opt@entry=0x6d1e10007090) at /data/Server/main_latest/sql/handler.cc:5701

# 2026-05-13T09:18:15 [362076] | #15 0x0000577d4ac189f9 in mysql_admin_table (thd=thd@entry=0x6d1e100017b8, tables=tables@entry=0x6d1e10018ed8, check_opt=check_opt@entry=0x6d1e10007090, operator_name=operator_name@entry=0x577d4bdc1ba0 <msg_check>, lock_type=lock_type@entry=TL_READ_NO_INSERT, org_open_for_modify=org_open_for_modify@entry=false, no_errors_from_open=false, extra_open_options=32, prepare_func=0x0, operator_func=<optimized out>, view_operator_func=0x577d4aba72df <view_check(THD*, TABLE_LIST*, st_ha_check_opt*)>, is_cmd_replicated=false) at /data/Server/main_latest/sql/sql_admin.cc:949

# 2026-05-13T09:18:15 [362076] | #16 0x0000577d4ac1a5bd in Sql_cmd_check_table::execute (this=<optimized out>, thd=0x6d1e100017b8) at /data/Server/main_latest/sql/sql_admin.cc:1702

# 2026-05-13T09:18:15 [362076] | #17 0x0000577d4aaa6d94 in mysql_execute_command (thd=thd@entry=0x6d1e100017b8, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /data/Server/main_latest/sql/sql_parse.cc:5902

# 2026-05-13T09:18:15 [362076] | #18 0x0000577d4aaa7979 in mysql_parse (thd=thd@entry=0x6d1e100017b8, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x751e43db33c0) at /data/Server/main_latest/sql/sql_parse.cc:7942

# 2026-05-13T09:18:15 [362076] | #19 0x0000577d4aaa8fcd in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x6d1e100017b8, packet=packet@entry=0x6d1e1000c0c9 "", packet_length=packet_length@entry=108, blocking=blocking@entry=true) at /data/Server/main_latest/sql/sql_parse.cc:1898

# 2026-05-13T09:18:15 [362076] | #20 0x0000577d4aaaa5d2 in do_command (thd=thd@entry=0x6d1e100017b8, blocking=blocking@entry=true) at /data/Server/main_latest/sql/sql_parse.cc:1432

# 2026-05-13T09:18:15 [362076] | #21 0x0000577d4ac0359d in do_handle_one_connection (connect=<optimized out>, connect@entry=0x577d4d4b9698, put_in_cache=put_in_cache@entry=true) at /data/Server/main_latest/sql/sql_connect.cc:1503

# 2026-05-13T09:18:15 [362076] | #22 0x0000577d4ac037ba in handle_one_connection (arg=0x577d4d4b9698) at /data/Server/main_latest/sql/sql_connect.cc:1415

# 2026-05-13T09:18:15 [362076] | #23 0x0000751e44a9ca94 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447

# 2026-05-13T09:18:15 [362076] | #24 0x0000751e44b29a34 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100