Michael Niedermayer 24352ca792 avformat/iff: Check data_size not overflowing int64 ...

Fixes: Infinite loop
Fixes: 25844/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5660803318153216

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

2020-09-28 20:22:30 +02:00

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