tree b80bd75e76e3c44fb4f972827c4685b30cb86c77
parent 40e7b4a5bec4c2f1f482b3db72cbaad22bac901f
author Jorge E. Moreira <jemoreira@google.com> 1625078031 -0700
committer Jorge E. Moreira <jemoreira@google.com> 1625196742 -0700

Avoid overflow in calc_iframe_target_size

The changed product was observed to attempt to multiply 1800 by 2500000,
which overflows unsigned 32 bits. Converting to unsigned 64 bits first
and testing whether the final result fits in 32 bits solves the problem.

BUG=b:179686142

Change-Id: I5d27317bf14b0311b739144c451d8e172db01945