On Mon, Nov 21, 2022 at 07:53:53PM +0100, Michael Niedermayer wrote: > On Mon, Nov 21, 2022 at 12:53:26PM +0100, Anton Khirnov wrote: > > Quoting Michael Niedermayer (2022-11-18 00:14:18) > > > Fixes: Timeout > > > Fixes: > > > 52329/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-4716563886637056 > > > > > > Found-by: continuous fuzzing process > > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > > --- > > > libavcodec/h263dec.c | 3 ++- > > > libavcodec/mpegvideo.h | 1 + > > > 2 files changed, 3 insertions(+), 1 deletion(-) > > > > > > diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c > > > index 71b846ba74..4eab43d939 100644 > > > --- a/libavcodec/h263dec.c > > > +++ b/libavcodec/h263dec.c > > > @@ -492,11 +492,12 @@ retry: > > > } else if (CONFIG_MSMPEG4DEC && s->msmpeg4_version) { > > > ret = ff_msmpeg4_decode_picture_header(s); > > > } else if (CONFIG_MPEG4_DECODER && avctx->codec_id == > > > AV_CODEC_ID_MPEG4) { > > > - if (s->avctx->extradata_size && s->picture_number == 0) { > > > + if (s->avctx->extradata_size && s->picture_number == 0 && > > > !s->extradata_parsed) { > > > > Wouldn't it make sense to get rid of the picture_number condition now? > > I was thinking about droping it too. I dont know why i didnt, you are correct
will apply with the picture_number condition removed [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Opposition brings concord. Out of discord comes the fairest harmony. -- Heraclitus
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