UniqueID:
SIGSEGV|prepare_or_error|ha_commit_trans|trans_commit_implicit|mysql_execute_command

Branch Revision:
16ec27c23c614ebea8f58a38adf601ea70e7c549

Full Stack:
Core was generated by `/test/PATCH4_MD281123-mariadb-10.6.17-linux-x86_64-dbg/bin/mariadbd --no-defaul'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x0000000000000000 in ?? ()
[Current thread is 1 (Thread 0x1525541ad640 (LWP 881601))]
(gdb) bt
#0  0x0000000000000000 in ?? ()
#1  0x0000555f3d196341 in prepare_or_error (ht=ht@entry=0x555f4068bab8, thd=thd@entry=0x15250c000d58, all=all@entry=true) at /test/bb-10.6-MDEV-32830-qa_dbg/sql/handler.cc:1458
#2  0x0000555f3d199a4f in ha_commit_trans (thd=thd@entry=0x15250c000d58, all=all@entry=true) at /test/bb-10.6-MDEV-32830-qa_dbg/sql/handler.cc:1916
#3  0x0000555f3d03f561 in trans_commit_implicit (thd=thd@entry=0x15250c000d58) at /test/bb-10.6-MDEV-32830-qa_dbg/sql/transaction.cc:329
#4  0x0000555f3ced9fbd in mysql_execute_command (thd=thd@entry=0x15250c000d58, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /test/bb-10.6-MDEV-32830-qa_dbg/sql/sql_parse.cc:3764
#5  0x0000555f3cee1933 in mysql_parse (thd=thd@entry=0x15250c000d58, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x1525541ac1f0) at /test/bb-10.6-MDEV-32830-qa_dbg/sql/sql_parse.cc:8051
#6  0x0000555f3cee3ca9 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x15250c000d58, packet=packet@entry=0x15250cfcd5a9 "drop function keyring_key_type_fetch;", packet_length=packet_length@entry=37, blocking=blocking@entry=true) at /test/bb-10.6-MDEV-32830-qa_dbg/sql/sql_class.h:241
#7  0x0000555f3cee5dc3 in do_command (thd=0x15250c000d58, blocking=blocking@entry=true) at /test/bb-10.6-MDEV-32830-qa_dbg/sql/sql_parse.cc:1409
#8  0x0000555f3d02a195 in do_handle_one_connection (connect=<optimized out>, connect@entry=0x555f4104ba08, put_in_cache=put_in_cache@entry=true) at /test/bb-10.6-MDEV-32830-qa_dbg/sql/sql_connect.cc:1416
#9  0x0000555f3d02a48a in handle_one_connection (arg=arg@entry=0x555f4104ba08) at /test/bb-10.6-MDEV-32830-qa_dbg/sql/sql_connect.cc:1318
#10 0x0000555f3d4786fa in pfs_spawn_thread (arg=0x555f40fd5ef8) at /test/bb-10.6-MDEV-32830-qa_dbg/storage/perfschema/pfs.cc:2201
#11 0x0000152569094ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#12 0x0000152569126a40 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Query:
ALTER TABLE ti CHANGE COLUMN g g LONGBLOB NOT NULL;

Also seen on this query:
drop function keyring_key_type_fetch;