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FFmpeg/libavcodec/jpeg2000dec.c
Michael Niedermayer 19ad05e9e0 avcodec/jpeg2000htdec: Check magp before using it in a shift 
Fixes: shift exponent -1 is negative
Fixes: 65378/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5457678193197056

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-01 18:17:27 +02:00

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