diff options
Diffstat (limited to 'libavformat/cafdec.c')
| -rw-r--r-- | libavformat/cafdec.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libavformat/cafdec.c b/libavformat/cafdec.c index 1c4ca401c2..0e6179a56a 100644 --- a/libavformat/cafdec.c +++ b/libavformat/cafdec.c @@ -323,8 +323,13 @@ static int read_header(AVFormatContext *s) if (caf->data_size > 0) st->nb_frames = (caf->data_size / caf->bytes_per_packet) * caf->frames_per_packet; } else if (st->nb_index_entries && st->duration > 0) { - st->codecpar->bit_rate = st->codecpar->sample_rate * caf->data_size * 8 / - st->duration; + if (st->codecpar->sample_rate && caf->data_size / st->duration > INT64_MAX / st->codecpar->sample_rate / 8) { + av_log(s, AV_LOG_ERROR, "Overflow during bit rate calculation %d * 8 * %"PRId64"\n", + st->codecpar->sample_rate, caf->data_size / st->duration); + return AVERROR_INVALIDDATA; + } + st->codecpar->bit_rate = st->codecpar->sample_rate * 8LL * + (caf->data_size / st->duration); } else { av_log(s, AV_LOG_ERROR, "Missing packet table. It is required when " "block size or frame size are variable.\n"); |