On Fri, Jan 27, 2023 at 10:59:38AM +1100, Peter Ross wrote: > On Sun, Jan 22, 2023 at 01:02:21AM +0100, Michael Niedermayer wrote: > > bink supports 16x16 blocks in chroma planes thus we need to allocate enough. > > Fixes: out of array access > > Fixes: 55026/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINK_fuzzer-6013915371012096 > > > > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer > > --- > > libavcodec/utils.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/libavcodec/utils.c b/libavcodec/utils.c > > index 2b63a498b9..87634e3711 100644 > > --- a/libavcodec/utils.c > > +++ b/libavcodec/utils.c > > @@ -243,6 +243,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, > > case AV_PIX_FMT_GBRAP16BE: > > w_align = 16; //FIXME assume 16 pixel per macroblock > > h_align = 16 * 2; // interlaced needs 2 macroblocks height > > + if (s->codec_id == AV_CODEC_ID_BINKVIDEO) > > + w_align = 16*2; > > break; > > case AV_PIX_FMT_YUV411P: > > case AV_PIX_FMT_YUVJ411P: > > please apply. will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Frequently ignored answer#1 FFmpeg bugs should be sent to our bugtracker. User questions about the command line tools should be sent to the ffmpeg-user ML. And questions about how to use libav* should be sent to the libav-user ML.