Michael Niedermayer 90647a9249 avcodec/huffyuvdec: avoid undefined behavior with get_vlc2() failure ...

Fixes: left shift of negative value -1
Fixes: 59889/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HUFFYUV_fuzzer-5472742275940352

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

2023-09-14 22:00:17 +02:00

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