vp9/update_prob: prevent out of bounds table read
James Zern authored
the max value of the lookup in expanded form is:
(((1 << 7) - 1) << 1) - 65 + 1 + 64 = 254

add one entry of padding to inv_map_table[] to prevent out of bounds
access with non-conforming / fuzzed bitstreams
Signed-off-by: default avatarJames Zern <jzern@google.com>
Reviewed-by: default avatar"Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: default avatarMichael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e91f860e

)
Signed-off-by: default avatarMichael Niedermayer <michaelni@gmx.at>
c6e16ec7
Name Last commit Last update