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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-11-22 23:44:57 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-11-22 23:52:08 +0100 |
| commit | 5c4aa72b75c1715d031df38d925445698be67de4 (patch) | |
| tree | e127715195eeb47dce0ccd354bde0b8e95e90d7b | |
| parent | bd8d28e2d2713f0368ee6b7dbb5ec251cbc162ac (diff) | |
| download | ffmpeg-5c4aa72b75c1715d031df38d925445698be67de4.tar.gz | |
avformat/hnm: check chunk_size == 0
Fixes potential infinite loop
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/hnm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/hnm.c b/libavformat/hnm.c index e3154141f5..47a1808afb 100644 --- a/libavformat/hnm.c +++ b/libavformat/hnm.c @@ -148,7 +148,7 @@ static int hnm_read_packet(AVFormatContext *s, AVPacket *pkt) chunk_id = avio_rl16(pb); avio_skip(pb, 2); - if (chunk_size > hnm->superchunk_remaining) { + if (chunk_size > hnm->superchunk_remaining || !chunk_size) { av_log(s, AV_LOG_ERROR, "invalid chunk size: %u, offset: %u\n", chunk_size, (int) avio_tell(pb)); avio_skip(pb, hnm->superchunk_remaining - 8); |