main.lotofstack fails with UBSAN

main.lotofstack                          [ fail ]

        Test ended at 2025-09-16 20:33:32

CURRENT_TEST: main.lotofstack

mysqltest: At line 109: query 'call bug10100p(255, @var)' succeeded - should have failed with error ER_STACK_OVERRUN_NEED_MORE (1436)...

The result from queries just before the failure was:

< snip >

create procedure bug10100pc(level int, lim int)

begin

declare lv int;

declare c cursor for select a from t3;

open c;

if level < lim then

select level;

fetch c into lv;

select lv;

update t3 set a=level+lv;

FLUSH TABLES;

call bug10100pc(level+1, lim);

else

select * from t3;

end if;

close c;

end|

set @@max_sp_recursion_depth=255|

set @var=1|

call bug10100p(255, @var)|

More results from queries before failure can be found in /share8t/bld/10.6-bug/mysql-test/var/log/lotofstack.log