diff options
| author | Anton Khirnov <anton@khirnov.net> | 2013-03-06 09:15:19 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2013-03-08 08:11:35 +0100 |
| commit | 3e2f200237af977b9253b0aff121eee27bcedb44 (patch) | |
| tree | 73d63cefeaee192e7115bddd8988b30ca5c16a2a /libavcodec/roqvideodec.c | |
| parent | 8a49d2bcbe7573bb4b765728b2578fac0d19763f (diff) | |
| download | ffmpeg-3e2f200237af977b9253b0aff121eee27bcedb44.tar.gz | |
roqvideodec: fix a potential infinite loop in roqvideo_decode_frame().
When there is just 1 byte remanining in the buffer, nothing will be read
and the loop will continue forever. Check that there are at least 8
bytes, which are always read at the beginning.
CC:libav-stable@libav.org
Diffstat (limited to 'libavcodec/roqvideodec.c')
| -rw-r--r-- | libavcodec/roqvideodec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/roqvideodec.c b/libavcodec/roqvideodec.c index ef561a3210..39233be87c 100644 --- a/libavcodec/roqvideodec.c +++ b/libavcodec/roqvideodec.c @@ -44,7 +44,7 @@ static void roqvideo_decode_frame(RoqContext *ri) roq_qcell *qcell; int64_t chunk_start; - while (bytestream2_get_bytes_left(&ri->gb) > 0) { + while (bytestream2_get_bytes_left(&ri->gb) >= 8) { chunk_id = bytestream2_get_le16(&ri->gb); chunk_size = bytestream2_get_le32(&ri->gb); chunk_arg = bytestream2_get_le16(&ri->gb); |