Michael Niedermayer a9d15d43eb avcodec/vqcdec: Check width & 15 ...

Various parts of the code assume that width can be divided by various powers of 2
without rounding

Fixes: out of array access
Fixes: 53623/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VQC_fuzzer-6209269924233216

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2022-12-08 17:48:21 +01:00

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