Michael Niedermayer 0345a88545 avformat/genh: Check nb_channels for IMA ADPCM ...

The check could be made more strict

Fixes: signed integer overflow: 36 * 538976288 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_GENH_fuzzer-6539389873815552

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

2022-09-24 17:57:37 +02:00

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