On Sun, Mar 13, 2022 at 04:03:42PM -0300, James Almer wrote: > > > On 3/12/2022 8:52 PM, Michael Niedermayer wrote: > > Fixes: Out of array read > > Fixes: > > 45137/clusterfuzz-testcase-minimized-ffmpeg_BSF_VP9_SUPERFRAME_SPLIT_fuzzer-4984270639202304 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/vp9_superframe_split_bsf.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/libavcodec/vp9_superframe_split_bsf.c > > b/libavcodec/vp9_superframe_split_bsf.c > > index ed0444561a..6af555c078 100644 > > --- a/libavcodec/vp9_superframe_split_bsf.c > > +++ b/libavcodec/vp9_superframe_split_bsf.c > > @@ -51,6 +51,11 @@ static int vp9_superframe_split_filter(AVBSFContext > > *ctx, AVPacket *out) > > return ret; > > in = s->buffer_pkt; > > + if (in->size == 0) { > > !in->size
I favor checking "== 0" when its about the value 0 and !X when its about something being not set / not allocated. but i can change it if you prefer thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The smallest minority on earth is the individual. Those who deny individual rights cannot claim to be defenders of minorities. - Ayn Rand
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