Fixes out of array read Fixes: asan_heap-oob_1fb2f9b_3780_cov_3984375136_usf.mkv Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit 692b22626ec9a9585f667c124a186b1a9796e432) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>