On Thu, Dec 12, 2019 at 05:15:12PM -0500, Andriy Gelman wrote: > On Thu, 12. Dec 18:43, Michael Niedermayer wrote: > > Fixes: assertion failure > > Fixes: > > 19286/clusterfuzz-testcase-minimized-ffmpeg_BSF_H264_REDUNDANT_PPS_fuzzer-5707990724509696 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <[email protected]> > > --- > > libavcodec/cbs_h2645.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c > > index 5f71d80584..5e0f4a9d98 100644 > > --- a/libavcodec/cbs_h2645.c > > +++ b/libavcodec/cbs_h2645.c > > @@ -568,7 +568,8 @@ static int > > cbs_h2645_fragment_add_nals(CodedBitstreamContext *ctx, > > // Remove trailing zeroes. > > while (size > 0 && nal->data[size - 1] == 0) > > --size; > > - av_assert0(size > 0); > > > + if (size == 0) > > + return AVERROR_INVALIDDATA; > > I suppose there could still be some valid nal units in this packet list. > > Can you just continue in the loop and not insert this particular nal unit into > frag?
sure, will do that thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Avoid a single point of failure, be that a person or equipment.
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