On Wed, Sep 15, 2021 at 10:00:46PM +0200, Michael Niedermayer wrote: > Fixes: signed integer overflow: -682581959642593728 * 16 cannot be > represented in type 'long' > Fixes: > 37883/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-5311691517198336 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavformat/mvdec.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c > index b1450e08da9..7573087c7cc 100644 > --- a/libavformat/mvdec.c > +++ b/libavformat/mvdec.c > @@ -156,9 +156,10 @@ static int parse_audio_var(AVFormatContext *avctx, > AVStream *st, > } else if (!strcmp(name, "NUM_CHANNELS")) { > return set_channels(avctx, st, var_read_int(pb, size)); > } else if (!strcmp(name, "SAMPLE_RATE")) { > - st->codecpar->sample_rate = var_read_int(pb, size); > - if (st->codecpar->sample_rate <= 0) > + int sample_rate = var_read_int(pb, size); > + if (sample_rate <= 0) > return AVERROR_INVALIDDATA; > + st->codecpar->sample_rate = sample_rate; > avpriv_set_pts_info(st, 33, 1, st->codecpar->sample_rate); > } else if (!strcmp(name, "SAMPLE_WIDTH")) { > uint64_t bpc = var_read_int(pb, size) * (uint64_t)8;
please apply -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
signature.asc
Description: PGP signature
_______________________________________________ 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".
