On Wed, Oct 25, 2023 at 09:20:09PM +0200, Tomas Härdin wrote: > On Thu, 2023-10-05 at 00:59 +0200, Michael Niedermayer wrote: > > Fixes: left shift of negative value -538967841 > > Fixes: 62447/clusterfuzz-testcase-minimized- > > ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-6427134337613824 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/jpeg2000dec.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c > > index eda959e558d..691cfbd8915 100644 > > --- a/libavcodec/jpeg2000dec.c > > +++ b/libavcodec/jpeg2000dec.c > > @@ -238,6 +238,11 @@ static int get_siz(Jpeg2000DecoderContext *s) > > return AVERROR_INVALIDDATA; > > } > > > > + if (s->image_offset_x >= s->width || s->image_offset_y >= s- > > >height) { > > + av_log(s->avctx, AV_LOG_ERROR, "image offsets outside > > image"); > > + return AVERROR_INVALIDDATA; > > + } > > Probably OK
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Republics decline into democracies and democracies degenerate into despotisms. -- Aristotle
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