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| author | Tomas Härdin <tomas.hardin@codemill.se> | 2011-05-17 19:52:36 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2011-07-13 11:57:51 +0200 |
| commit | 1cf18de982a0a62fa9214a6c4a5becc1a32d9caf (patch) | |
| tree | 8ef22188976a9dcdf0a7902ce69188471bd8458f | |
| parent | 7f84055e2d3814972a61515da7f1d2659b185ea0 (diff) | |
| download | ffmpeg-1cf18de982a0a62fa9214a6c4a5becc1a32d9caf.tar.gz | |
wav: make sure neither data_size nor sample_count is negative.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
| -rw-r--r-- | libavformat/wav.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavformat/wav.c b/libavformat/wav.c index 3e4e0c4ea4..9f902be818 100644 --- a/libavformat/wav.c +++ b/libavformat/wav.c @@ -318,6 +318,12 @@ static int wav_read_header(AVFormatContext *s, avio_rl64(pb); /* RIFF size */ data_size = avio_rl64(pb); sample_count = avio_rl64(pb); + if (data_size < 0 || sample_count < 0) { + av_log(s, AV_LOG_ERROR, "negative data_size and/or sample_count in " + "ds64: data_size = %"PRId64", sample_count = %"PRId64"\n", + data_size, sample_count); + return AVERROR_INVALIDDATA; + } avio_skip(pb, size - 16); /* skip rest of ds64 chunk */ } |