On 9/30/22, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: out of array access > Fixes: > 51648/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEHD_fuzzer-4644322217164800 >
Make sure that this "fix" does not break Mono.thd decoding. The sample is on trac ticket. Thanks. > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/mlpdec.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c > index 635f92895c5..0b0eb759901 100644 > --- a/libavcodec/mlpdec.c > +++ b/libavcodec/mlpdec.c > @@ -547,6 +547,9 @@ static int read_restart_header(MLPDecodeContext *m, > GetBitContext *gbp, > return AVERROR_PATCHWELCOME; > } > > + if (max_channel + 1 > MAX_CHANNELS || max_channel + 1 < min_channel) > + return AVERROR_INVALIDDATA; > + > s->min_channel = min_channel; > s->max_channel = max_channel; > s->coded_channels = ((1LL << (max_channel - min_channel + 1)) - 1) > << min_channel; > -- > 2.17.1 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".