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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-17 16:32:08 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-10-09 22:15:48 +0200 |
| commit | 9959b6e2eb57fe696e591ffded5c2dfeb70c9e79 (patch) | |
| tree | 65c637525f7c7c17c638e52365757242a469ace8 | |
| parent | e55980d3bf3599cb940390220681d3186391a7f0 (diff) | |
| download | ffmpeg-9959b6e2eb57fe696e591ffded5c2dfeb70c9e79.tar.gz | |
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 5f3172dc93..e3a228551d 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -366,6 +366,8 @@ got_sound: av_log(s, AV_LOG_ERROR, "could not find COMM tag or invalid block_align value\n"); return -1; } + 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); |