https://bugs.openldap.org/show_bug.cgi?id=9291

--- Comment #15 from Howard Chu <[email protected]> ---
(In reply to Howard Chu from comment #14)
> (In reply to Markus from comment #13)
> > (In reply to Howard Chu from comment #12)
> > 
> > > You could simply add a check of pgno in mdb_page_get(), and check every 
> > > page
> > > reference as they occur.
> > 
> > How would we know the maximum valid page number (e.g. maxpgno = fsize /
> > env->me_psize)? I assumed we need mdb_fsize, which we obviously don't want
> > to call too often. Happy to learn about a better alternative.
> 
> Use mm_last_pg from the meta page.

Actually, that's already been checked for you, you only need to compare to
mt_next_pgno. And mdb_page_get already checks it. Though perhaps the check
could be done earlier in that function.

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