mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/ituh263dec: Check for the bitstream end in ff_h263_decode_mb()
Fixes invalid shift Fixes: 670/clusterfuzz-testcase-4852021066727424 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -962,6 +962,9 @@ intra:
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}
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end:
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if (get_bits_left(&s->gb) < 0)
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return AVERROR_INVALIDDATA;
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/* per-MB end of slice check */
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{
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int v= show_bits(&s->gb, 16);
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