Assertion `mode == 16 || mode == 12' failed

# 2025-07-08T21:02:06 [1297661] | mariadbd: /data/Server/11.8/storage/innobase/buf/buf0buf.cc:2776: buf_block_t* buf_page_get_gen(page_id_t, ulint, rw_lock_type_t, buf_block_t*, ulint, mtr_t*, dberr_t*): Assertion `mode == 16 || mode == 12' failed.

# 2025-07-08T21:03:48 [1297661] #0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=139662808241728) at ./nptl/pthread_kill.c:44

# 2025-07-08T21:03:48 [1297661] #1  __pthread_kill_internal (signo=6, threadid=139662808241728) at ./nptl/pthread_kill.c:78

# 2025-07-08T21:03:48 [1297661] #2  __GI___pthread_kill (threadid=139662808241728, signo=6) at ./nptl/pthread_kill.c:89

# 2025-07-08T21:03:48 [1297661] #3  0x00005624b550ceb2 in my_write_core (sig=6) at /data/Server/11.8/mysys/stacktrace.c:424

# 2025-07-08T21:03:48 [1297661] #4  0x00005624b4cc6a72 in handle_fatal_signal (sig=6) at /data/Server/11.8/sql/signal_handler.cc:298

# 2025-07-08T21:03:48 [1297661] #5  <signal handler called>

# 2025-07-08T21:03:48 [1297661] #6  __pthread_kill_implementation (no_tid=0, signo=6, threadid=139662808241728) at ./nptl/pthread_kill.c:44

# 2025-07-08T21:03:48 [1297661] #7  __pthread_kill_internal (signo=6, threadid=139662808241728) at ./nptl/pthread_kill.c:78

# 2025-07-08T21:03:48 [1297661] #8  __GI___pthread_kill (threadid=139662808241728, signo=signo@entry=6) at ./nptl/pthread_kill.c:89

# 2025-07-08T21:03:48 [1297661] #9  0x00007f05ca112476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26

# 2025-07-08T21:03:48 [1297661] #10 0x00007f05ca0f87f3 in __GI_abort () at ./stdlib/abort.c:79

# 2025-07-08T21:03:48 [1297661] #11 0x00007f05ca0f871b in __assert_fail_base (fmt=0x7f05ca2ad130 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x5624b5a1a824 "mode == 16 || mode == 12", file=0x5624b5a1a900 "/data/Server/11.8/storage/innobase/buf/buf0buf.cc", line=2776, function=<optimized out>) at ./assert/assert.c:92

# 2025-07-08T21:03:48 [1297661] #12 0x00007f05ca109e96 in __GI___assert_fail (assertion=0x5624b5a1a824 "mode == 16 || mode == 12", file=0x5624b5a1a900 "/data/Server/11.8/storage/innobase/buf/buf0buf.cc", line=2776, function=0x5624b5a1c428 "buf_block_t* buf_page_get_gen(page_id_t, ulint, rw_lock_type_t, buf_block_t*, ulint, mtr_t*, dberr_t*)") at ./assert/assert.c:101

# 2025-07-08T21:03:48 [1297661] #13 0x00005624b5355f33 in buf_page_get_gen (page_id=page_id@entry=..., zip_size=zip_size@entry=0, rw_latch=rw_latch@entry=RW_S_LATCH, guess=<optimized out>, guess@entry=0x0, mode=mode@entry=10, mtr=mtr@entry=0x7f05c8129840, err=<optimized out>) at /data/Server/11.8/storage/innobase/buf/buf0buf.cc:2776

# 2025-07-08T21:03:48 [1297661] #14 0x00005624b531a0da in btr_copy_blob_prefix (buf=0x7f05c8129c80 '1' <repeats 36 times>, "\005\177", len=36, id=..., offset=38) at /data/Server/11.8/storage/innobase/btr/btr0cur.cc:6471

# 2025-07-08T21:03:48 [1297661] #15 0x00005624b532f8ba in btr_copy_externally_stored_field_prefix_low (buf=buf@entry=0x7f05c8129c80 '1' <repeats 36 times>, "\005\177", len=len@entry=36, zip_size=zip_size@entry=0, id=..., offset=<optimized out>) at /data/Server/11.8/storage/innobase/btr/btr0cur.cc:6668

# 2025-07-08T21:03:48 [1297661] #16 0x00005624b532f9fc in btr_copy_externally_stored_field_prefix (buf=buf@entry=0x7f05c8129c80 '1' <repeats 36 times>, "\005\177", len=36, zip_size=0, data=data@entry=0x7f0574906e14 "", local_len=0, local_len@entry=20) at /data/Server/11.8/storage/innobase/btr/btr0cur.cc:6718

# 2025-07-08T21:03:48 [1297661] #17 0x00005624b525595b in row_sel_sec_rec_is_for_blob (mtype=5, prtype=150995196, mbminlen=1, mbmaxlen=4, clust_field=clust_field@entry=0x7f0574906e14 "", clust_len=20, sec_field=0x7f05ae2d80c7 "666666666\200", sec_len=9, prefix_len=36, table=0x7f057400e378) at /data/Server/11.8/storage/innobase/row/row0sel.cc:124

# 2025-07-08T21:03:48 [1297661] #18 0x00005624b525e66b in row_check_index_match (prebuilt=prebuilt@entry=0x7f05748f5738, clust_rec=clust_rec@entry=0x7f0574906df1 "\200", clust_index=clust_index@entry=0x7f0574876148, clust_offsets=clust_offsets@entry=0x7f0568007f30, rec=rec@entry=0x7f05ae2d80c7 "666666666\200", index=index@entry=0x7f0574847c58, offsets=<optimized out>) at /data/Server/11.8/storage/innobase/row/row0sel.cc:6188

# 2025-07-08T21:03:48 [1297661] #19 0x00005624b526cee4 in row_check_index (prebuilt=<optimized out>, n_rows=n_rows@entry=0x7f05c812b2d0) at /data/Server/11.8/storage/innobase/row/row0sel.cc:6687

# 2025-07-08T21:03:48 [1297661] #20 0x00005624b505ac6c in ha_innobase::check (this=0x7f0574904d08, thd=0x7f0574000d58, check_opt=0x7f05740063d8) at /data/Server/11.8/storage/innobase/handler/ha_innodb.cc:15386

# 2025-07-08T21:03:48 [1297661] #21 0x00005624b4cd53a9 in handler::ha_check (this=0x7f0574904d08, thd=0x7f0574000d58, check_opt=0x7f05740063d8) at /data/Server/11.8/sql/handler.cc:5448

# 2025-07-08T21:03:48 [1297661] #22 0x00005624b4b0eb03 in mysql_admin_table (thd=thd@entry=0x7f0574000d58, tables=tables@entry=0x7f0574017db8, check_opt=check_opt@entry=0x7f05740063d8, operator_name=operator_name@entry=0x5624b600d8a0 <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=<optimized out>, extra_open_options=<optimized out>, prepare_func=<optimized out>, operator_func=<optimized out>, view_operator_func=<optimized out>, is_cmd_replicated=<optimized out>) at /data/Server/11.8/sql/sql_admin.cc:937

# 2025-07-08T21:03:48 [1297661] #23 0x00005624b4b11059 in Sql_cmd_check_table::execute (this=<optimized out>, thd=0x7f0574000d58) at /data/Server/11.8/sql/sql_admin.cc:1646

# 2025-07-08T21:03:48 [1297661] #24 0x00005624b4971617 in mysql_execute_command (thd=thd@entry=0x7f0574000d58, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /data/Server/11.8/sql/sql_parse.cc:5886

# 2025-07-08T21:03:48 [1297661] #25 0x00005624b49723b8 in mysql_parse (thd=thd@entry=0x7f0574000d58, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x7f05c812c330) at /data/Server/11.8/sql/sql_parse.cc:7906

# 2025-07-08T21:03:48 [1297661] #26 0x00005624b497494d in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x7f0574000d58, packet=packet@entry=0x7f0574854049 "", packet_length=packet_length@entry=60, blocking=blocking@entry=true) at /data/Server/11.8/sql/sql_parse.cc:1902

# 2025-07-08T21:03:48 [1297661] #27 0x00005624b4976924 in do_command (thd=thd@entry=0x7f0574000d58, blocking=blocking@entry=true) at /data/Server/11.8/sql/sql_parse.cc:1415

# 2025-07-08T21:03:48 [1297661] #28 0x00005624b4afbc0d in do_handle_one_connection (connect=<optimized out>, connect@entry=0x5624b8b23f98, put_in_cache=put_in_cache@entry=true) at /data/Server/11.8/sql/sql_connect.cc:1415

# 2025-07-08T21:03:48 [1297661] #29 0x00005624b4afbe4d in handle_one_connection (arg=0x5624b8b23f98) at /data/Server/11.8/sql/sql_connect.cc:1327

# 2025-07-08T21:03:48 [1297661] #30 0x00007f05ca164ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442

# 2025-07-08T21:03:48 [1297661] #31 0x00007f05ca1f6850 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81