Michael Niedermayer 1e24da5cfe avformat/flvdec: Check data before casting ...

Fixes: -nan is outside the range of representable values of type 'long'
Fixes: signed integer overflow: 1000 * -9223372036854775808 cannot be represented in type 'long'
Fixes: 34890/clusterfuzz-testcase-minimized-ffmpeg_dem_FLV_fuzzer-5334208657620992

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

2021-06-12 14:22:42 +02:00

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