Module: libav Branch: master Commit: 640a2427aafa774b83316b7a8c5c2bdc28bfd269
Author: Martin Storsjö <[email protected]> Committer: Martin Storsjö <[email protected]> Date: Sat Sep 28 23:46:04 2013 +0300 bfi: Add some very basic sanity checks for input packet sizes CC: [email protected] Signed-off-by: Martin Storsjö <[email protected]> --- libavformat/bfi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavformat/bfi.c b/libavformat/bfi.c index 5d7ccb8..19060e7 100644 --- a/libavformat/bfi.c +++ b/libavformat/bfi.c @@ -132,6 +132,10 @@ 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); _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
