avcodec/cavsdec: Check alpha/beta offset
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 20 Feb 2018 22:11:01 +0000 (23:11 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Wed, 21 Feb 2018 23:29:27 +0000 (00:29 +0100)
commitae2eb04648839bfc6c61c32cb0f124e91bb7ff8e
tree901f393179dde99e6cfbd907eb735f3b83251603
parent4f8c691040b026d001ff33d38c0e1516a35b946e
avcodec/cavsdec: Check alpha/beta offset

Fixes: Integer overflow
Fixes: 6183/clusterfuzz-testcase-minimized-6269224436629504

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/cavsdec.c