fix an issue with ZAS geometry not re-forming

Signed-off-by: Mloc <colmohici@gmail.com>
Prevent stacks multiplier href exploit
Merge pull request #6712 from Mloc/bs12-overflow

fix an issue with ZAS geometry not re-forming
Merge pull request #6715 from Menshin/stacks_href_exploit_fix

Prevent stacks multiplier href exploit
Ambiguous expression readded.