MariaDB crash triggered by recursive CTE with POW, GET_LOCK, and ExtractValue

~~~sql
SELECT LOWER ( ( SELECT x FROM x WHERE x IN ( SELECT x FROM x ) ORDER BY x LIMIT 1 ) ) ; SELECT LOWER ( ( WITH RECURSIVE x ( x ) AS ( WITH RECURSIVE x ( x ) AS ( SELECT 1 UNION SELECT x + 1 FROM x ) SELECT POW ( 46 , DATE ( NULL ) ) EXCEPT SELECT x FROM x UNION SELECT x FROM x GROUP BY x HAVING x = x AND x = 1 AND extractValue ( CASE WHEN timediff ( x , LOWER ( ( WITH RECURSIVE x ( x ) AS ( SELECT 1 EXCEPT SELECT GET_LOCK ( NULL , 0 ) ) SELECT DISTINCT x FROM ( SELECT 1 ) AS x WHERE x IN ( SELECT x FROM x ) ORDER BY CONCAT_WS ( '' , x , x , 'lp-lpi' ) < '222' LIMIT 1 ) ) ) IN ( - x , -1 , 0 , 1 , x ) THEN TRUE ELSE FALSE END , '/a/@b[2>=position()]' ) ORDER BY x ) SELECT x FROM x WHERE NOT ( NOT ( x > 10 ) ) AND ( x < 1 OR x > 1 ) AND x IN ( SELECT * FROM x WHERE x >= -869367531 ) AND x IN ( SELECT ceil ( x ) AS x FROM x GROUP BY x , x HAVING x = 1 ) ORDER BY x ) ) ;
~~~

1. 1. Expected result
      The server should either execute the query or return a normal SQL error without crashing.

1. 1. Actual result
      The fuzzing run observed a server crash. The deduplicated stack signature is:
      ~~~
      stack:_ZL13add_key_fieldP4JOINPP9KEY_FIELDjP14Item_bool_funcP5FieldbPP4ItemjyPP14SARGABLE_PARAMj|_ZN10Item_equal14add_key_fieldsEP4JOINPP9KEY_FIELDPjyPP14SARGABLE_PARAM|_ZL19update_ref_and_keysP3THDP16st_dynamic_arrayP13st_join_tablejP4ItemyP13st_select_lexPP14SARGABLE_PARAM|_ZN4JOIN14optimize_innerEv|_ZN4JOIN8optimizeEv|_ZN13st_select_lex31optimize_unflattened_subqueriesEb|_ZN4JOIN15optimize_stage2Ev|_ZN18st_select_lex_unit8optimizeEv
      ~~~

Top frames:
~~~
_ZL13add_key_fieldP4JOINPP9KEY_FIELDjP14Item_bool_funcP5FieldbPP4ItemjyPP14SARGABLE_PARAMj
_ZN10Item_equal14add_key_fieldsEP4JOINPP9KEY_FIELDPjyPP14SARGABLE_PARAM
_ZL19update_ref_and_keysP3THDP16st_dynamic_arrayP13st_join_tablejP4ItemyP13st_select_lexPP14SARGABLE_PARAM
_ZN4JOIN14optimize_innerEv
_ZN4JOIN8optimizeEv
_ZN13st_select_lex31optimize_unflattened_subqueriesEb
_ZN4JOIN15optimize_stage2Ev
_ZN18st_select_lex_unit8optimizeEv
~~~