Re: [FFmpeg-devel] [PATCH 2/3] avcodec/adpcm: Fix undefined behavior with negative predictions in IMA OKI

2019-11-09 Thread Michael Niedermayer
On Fri, Oct 25, 2019 at 03:02:17PM +0200, Michael Niedermayer wrote: > 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/tr

[FFmpeg-devel] [PATCH 2/3] avcodec/adpcm: Fix undefined behavior with negative predictions in IMA OKI

2019-10-25 Thread Michael Niedermayer
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 --- libavcodec/adp