When the sqapi_callback_list_call function extends the stack, a crash will occur.
A query with a correlated subquery and a FOREACH can assert fail when used in a Stored Procedure environment with PDQ enabled.
The cf_vp_mem_cache_blocks element of the config structure is uninitialized during server startup, which means it can take
select ( select 1????? from systables t?????
This problem reproduction is very simple:?? create table t1 (a int, b int);???
