avcodec/alsdec: Check opt_order / sb_length in ra_block handling
Fixes: out of array access
Fixes: 15277/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-
5184853437317120
Fixes: 15280/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-
5741062137577472
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit
0794494c8f2f756e3c9384dba21c54f7d4ba9286)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>