James Almer 1c706cec46 avformat/mov_chan: add extra checks to channel description count ...

Make sure it's not zero, and equal or bigger than number of channels

Fixes: Timeout / DOS
Fixes: 67143/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-4858720481771520

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: James Almer <jamrial@gmail.com>

2024-09-17 15:41:45 -03:00

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