lgtm On 3/1/20, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: out of array access > Fixes: > 20828/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_APM_fuzzer-5712770106654720 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/adpcm.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c > index b987e93c5f..5f152ee6ef 100644 > --- a/libavcodec/adpcm.c > +++ b/libavcodec/adpcm.c > @@ -154,9 +154,9 @@ static av_cold int adpcm_decode_init(AVCodecContext * > avctx) > case AV_CODEC_ID_ADPCM_IMA_APM: > if (avctx->extradata && avctx->extradata_size >= 16) { > c->status[0].predictor = AV_RL32(avctx->extradata + 0); > - c->status[0].step_index = AV_RL32(avctx->extradata + 4); > + c->status[0].step_index = av_clip(AV_RL32(avctx->extradata + > 4), 0, 88); > c->status[1].predictor = AV_RL32(avctx->extradata + 8); > - c->status[1].step_index = AV_RL32(avctx->extradata + 12); > + c->status[1].step_index = av_clip(AV_RL32(avctx->extradata + > 12), 0, 88); > } > break; > case AV_CODEC_ID_ADPCM_IMA_WS: > -- > 2.17.1 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
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