Files
ffmpeg/libavcodec
Michael Niedermayer 3679bda78b avcodec/iff: Check that video_size is large enough for the read parameters
video is allocated before parameters like bpp are read.

Fixes: out of array access
Fixes: 19084/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5718556033679360
Fixes: 19465/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5759908398235648

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f1b97f62f8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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