On Tue, Dec 26, 2023 at 08:09:54PM +0100, Andreas Rheinhardt wrote: > Michael Niedermayer: > > Fixes: out of array access > > Fixes: > > 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6227491892887552 > > Fixes: > > 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6268561729126400 > > Fixes: > > 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6414805046788096 > > Fixes: > > 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6538151088488448 > > Fixes: > > 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_OSQ_fuzzer-6608131540779008 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavcodec/osq.c | 10 ++++++++++ > > 1 file changed, 10 insertions(+) > > > > diff --git a/libavcodec/osq.c b/libavcodec/osq.c > > index 435f3ea7f69..abe15c97f18 100644 > > --- a/libavcodec/osq.c > > +++ b/libavcodec/osq.c > > @@ -61,6 +61,15 @@ typedef struct OSQContext { > > int pkt_offset; > > } OSQContext; > > > > +static void osq_flush(AVCodecContext *avctx) > > +{ > > + OSQContext *s = avctx->priv_data; > > + > > + s->bitstream_size = 0; > > + s->pkt_offset = 0; > > + av_packet_unref(s->pkt); > > s->pkt is the same as avctx->internal->in_pkt which is unreferenced > generically upon flush. So this is unnecessary.
will apply without this thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Nations do behave wisely once they have exhausted all other alternatives. -- Abba Eban
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