On Sat, Mar 23, 2019 at 05:33:25PM -0300, James Almer wrote: > On 3/23/2019 5:25 PM, Michael Niedermayer wrote: > > Fixes: NULL pointer dereference and out of array access > > Fixes: > > 13871/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5746167087890432 > > Fixes: > > 13845/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5650370728034304 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/hevcdec.c | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c > > index 86adab0ae1..4d149f4d9f 100644 > > --- a/libavcodec/hevcdec.c > > +++ b/libavcodec/hevcdec.c > > @@ -488,6 +488,9 @@ static int hls_slice_header(HEVCContext *s) > > > > // Coded parameters > > sh->first_slice_in_pic_flag = get_bits1(gb); > > + if (s->ref && sh->first_slice_in_pic_flag) > > + return 0; // This slice will be skiped later, do not corrupt state > > I assume this is a regression after 70c8c8a818? If so, please also > backport this patch to branches 2.8 to 4.1.
yes, will do [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Into a blind darkness they enter who follow after the Ignorance, they as if into a greater darkness enter who devote themselves to the Knowledge alone. -- Isha Upanishad
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