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 <mich...@niedermayer.cc> > --- > 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. -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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