db was corrupted, ERROR: cannot freeze committed xmax; fix by deleting rows in catalog tables

I have a case on pg12.9 - rhel8 which crashed a long time ago and now in log keep saying:

automatic vacuum of table "dbnamexx.pg_catalog.pg_statistic"automatic vacuum of table "dbnamexx.pg_catalog.pg_class"automatic vacuum of table "dbnamexx.pg_toast.pg_toast_2619"

automatic vacuum of table "dbnamexx.pg_catalog.pg_class"automatic vacuum of table "dbnamexx.ibent.loginsession_old"automatic vacuum of table "dbnamexx.pg_toast.pg_toast_2619"

vacuum schema.tbl1_old;
ERROR:  cannot freeze committed xmax ...

vacuum schema.tbl2_old;
ERROR:  cannot freeze committed xmax ...

vacuum schema.tbl3_bak;
ERROR:  cannot freeze committed xmax ...

vacuum schema.tbl4_old;
ERROR:  cannot freeze committed xmax ...

unluckily cannot drop those tables. will return "ERROR:  cannot freeze committed xmax " too

figured out by pg_catcheck utility there are orphaned catalog entries, so try to fix on restore database by these DML:

delete from pg_attribute where attrelid=<many id>;

delete from pg_index where indrelid=<id>;

delete from pg_statistic where starelid=<many id>;

delete from pg_constraint where conrelid=...;

delete from pg_depend where refobjid=...;

delete from pg_depend where objid=....;

delete from pg_shdepend where objid=...;

delete from pg_type where typrelid=...;

delete from pg_type where  typelem=...;

delete from pg_statistic where starelid=.... and staattnum=27 and stainherit='f';
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