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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-17 16:32:09 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-22 17:44:05 +0200 |
| commit | 9303ba272e988d87084880c57056b750cc5ffd08 (patch) | |
| tree | e82a559b221abfe92857d5e195944527b79b9ef2 /libavformat | |
| parent | 1c2b6265c87417033f990fa4a14da9d4008320a4 (diff) | |
| download | ffmpeg-9303ba272e988d87084880c57056b750cc5ffd08.tar.gz | |
avformat/aiffdec: Use 64bit for block_duration use
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')
| -rw-r--r-- | libavformat/aiffdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c index 318e3ad742..80733e5801 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -428,7 +428,7 @@ static int aiff_read_packet(AVFormatContext *s, pkt->flags &= ~AV_PKT_FLAG_CORRUPT; /* Only one stream in an AIFF file */ pkt->stream_index = 0; - pkt->duration = (res / st->codecpar->block_align) * aiff->block_duration; + pkt->duration = (res / st->codecpar->block_align) * (int64_t) aiff->block_duration; return 0; } |