ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun May 10 11:03:39 2020 +0200| [8ee264e6844518a0f1e23bd5808a60a7c54af429] | committer: Michael Niedermayer
avcodec/adpcm: Clip predictor for IMA_APM Fixes: signed integer overflow: -2147483647 - 61436 cannot be represented in type 'int' Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ADPCM_IMA_APM_fuzzer-5092176004644864 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8ee264e6844518a0f1e23bd5808a60a7c54af429 --- libavcodec/adpcm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index c6735a49c9..846ec5ef9c 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -163,9 +163,9 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx) break; 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].predictor = av_clip_intp2(AV_RL32(avctx->extradata + 0), 18); 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].predictor = av_clip_intp2(AV_RL32(avctx->extradata + 8), 18); c->status[1].step_index = av_clip(AV_RL32(avctx->extradata + 12), 0, 88); } break; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
