You need to explain why. A "NAK" is not enough. 16k pixels x 16k is a large size already for vc1.
On Sun, Aug 18, 2019, at 12:45, Paul B Mahol wrote: > NAK > > On Thu, Aug 15, 2019 at 11:51 PM Michael Niedermayer <mich...@niedermayer.cc> > wrote: > > > Fixes: overflow in aspect ratio calculation > > Fixes: signed integer overflow: 393215 * 14594 cannot be represented in > > type 'int' > > Fixes: > > 15728/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5661588893204480 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by > > <https://github.com/google/oss-fuzz/tree/master/projects/ffmpegSigned-off-by>: > > Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/vc1dec.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c > > index 9519864c55..2636ea701f 100644 > > --- a/libavcodec/vc1dec.c > > +++ b/libavcodec/vc1dec.c > > @@ -426,6 +426,11 @@ static av_cold int vc1_decode_init(AVCodecContext > > *avctx) > > GetBitContext gb; > > int ret; > > > > + if (avctx->width > 1 << 14 || avctx->height > 1 << 14) { > > + avpriv_request_sample(avctx, "Huge resolution"); > > + return AVERROR_PATCHWELCOME; > > + } > > + > > /* save the container output size for WMImage */ > > v->output_width = avctx->width; > > v->output_height = avctx->height; > > -- > > 2.22.1 > > > > _______________________________________________ > > 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 > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". -- Jean-Baptiste Kempf - President +33 672 704 734 _______________________________________________ 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".
