diff options
| author | Martin Storsjö <martin@martin.st> | 2013-09-28 23:46:04 +0300 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2014-01-07 09:43:57 +0100 |
| commit | 213b8aa0a90585f13aebb7fba39cbd3e367e98a6 (patch) | |
| tree | 89fe5ab7538272d24557026c9eb9c172d8cb379b | |
| parent | 5e8243e843be8f71da7dde199a71d095726533eb (diff) | |
| download | ffmpeg-213b8aa0a90585f13aebb7fba39cbd3e367e98a6.tar.gz | |
bfi: Add some very basic sanity checks for input packet sizes
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 640a2427aafa774b83316b7a8c5c2bdc28bfd269)
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit 10f384e4f5d0ee692cacaf90d629d8bc2178b092)
| -rw-r--r-- | libavformat/bfi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/bfi.c b/libavformat/bfi.c index c0b5681744..326c1f3e83 100644 --- a/libavformat/bfi.c +++ b/libavformat/bfi.c @@ -130,6 +130,10 @@ static int bfi_read_packet(AVFormatContext * s, AVPacket * pkt) video_offset = avio_rl32(pb); audio_size = video_offset - audio_offset; bfi->video_size = chunk_size - video_offset; + if (audio_size < 0 || bfi->video_size < 0) { + av_log(s, AV_LOG_ERROR, "Invalid audio/video offsets or chunk size\n"); + return AVERROR_INVALIDDATA; + } //Tossing an audio packet at the audio decoder. ret = av_get_packet(pb, pkt, audio_size); |