Prevent OOB read in rw_i93_sm_format

Bug: 146435761
Test: read i93 tag
Change-Id: I428941b86d442c9dea07a20686e06b877144ecc1
(cherry picked from commit bd0f7aae7bfee6ee3e9e6cab7aba1726bedd7eee)
1 file changed