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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-17 17:32:08 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-11-04 01:29:48 +0300 |
| commit | ed455b98d052808c39192c0ce4335ac017db6127 (patch) | |
| tree | cd285013c7235aea77b566774af868711b67365c | |
| parent | 1bc5684211eeebeb723787b57bdc32098a6f217a (diff) | |
avformat/aiffdec: Check block_duration
Fixes: signed integer overflow: 3 * -2147483648 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_AIFF_fuzzer-6668935979728896
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1c2b6265c87417033f990fa4a14da9d4008320a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/aiffdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c index 321e07a36b..154e5eaf7a 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -369,6 +369,8 @@ got_sound: av_log(s, AV_LOG_ERROR, "could not find COMM tag or invalid block_align value\n"); return AVERROR_INVALIDDATA; } + if (aiff->block_duration < 0) + return AVERROR_INVALIDDATA; /* Now positioned, get the sound data start and end */ avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate); |