Michael Niedermayer 38fbf33c72 avcodec/snowdec: Avoid integer overflow with huge qlog ...

Fixes: integer overflow
Fixes: 22285/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SNOW_fuzzer-5682428762128384

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

2020-06-11 13:49:54 +02:00

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