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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-17 16:32:08 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-22 17:44:04 +0200 |
| commit | 1c2b6265c87417033f990fa4a14da9d4008320a4 (patch) | |
| tree | be03e48c8fe3c8c1941002a84eca58c84c03dc96 /libavformat/aiffdec.c | |
| parent | c5bd689655332232d370d6087e9d8bfc509e623b (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>
Diffstat (limited to 'libavformat/aiffdec.c')
| -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 0487d3f029..318e3ad742 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -372,6 +372,8 @@ 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); |