Are you sure this is not band aid but actually real fix? On 8/29/19, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: index 2304 out of bounds for type 'float [2304]' > Fixes: > 16332/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5679142481166336 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/qdm2.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c > index eaffb36dcc..ac8ae8cbbb 100644 > --- a/libavcodec/qdm2.c > +++ b/libavcodec/qdm2.c > @@ -1727,6 +1727,11 @@ static av_cold int qdm2_decode_init(AVCodecContext > *avctx) > s->sub_sampling = s->fft_order - 7; > s->frequency_range = 255 / (1 << (2 - s->sub_sampling)); > > + if (s->frame_size * 4 >> s->sub_sampling > MPA_FRAME_SIZE) { > + avpriv_request_sample(avctx, "large frames"); > + return AVERROR_PATCHWELCOME; > + } > + > switch ((s->sub_sampling * 2 + s->channels - 1)) { > case 0: tmp = 40; break; > case 1: tmp = 48; break; > -- > 2.23.0 > > _______________________________________________ > 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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