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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-09-30 00:13:03 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-09-30 00:13:36 +0200 |
| commit | ccb6b056df35337b37e8083b15127fa466cd64f7 (patch) | |
| tree | fef346ecf0c540c4a5a6e1f2218b31b74c7c3cb6 | |
| parent | a6b79bb2b12ba5f7370ee5fbbdddfe86f1eeb12b (diff) | |
| parent | 640a2427aafa774b83316b7a8c5c2bdc28bfd269 (diff) | |
| download | ffmpeg-ccb6b056df35337b37e8083b15127fa466cd64f7.tar.gz | |
Merge commit '640a2427aafa774b83316b7a8c5c2bdc28bfd269'
* commit '640a2427aafa774b83316b7a8c5c2bdc28bfd269':
bfi: Add some very basic sanity checks for input packet sizes
Merged-by: Michael Niedermayer <michaelni@gmx.at>
| -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 6f4d8cd8cd..b65a582e65 100644 --- a/libavformat/bfi.c +++ b/libavformat/bfi.c @@ -136,6 +136,10 @@ 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); |