Michael Niedermayer a5636c1d4c avcodec/adpcm: Fix undefined behavior with negative predictions in IMA OKI ...

Fixes: left shift of negative value -30
Fixes: 18392/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_OKI_fuzzer-5631771831435264

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 7786f6c30e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2020-01-06 11:30:44 +01:00

68 KiB

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