diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-17 17:32:09 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-10-21 23:19:37 +0300 |
| commit | 13cbb13666dfded4372f5cccc7f9a3dc98a4b28b (patch) | |
| tree | fc466fff8eab93a7cec1e8c44001224996e5d4e0 | |
| parent | 596684ddb556b335749791b454be189f9e2438fd (diff) | |
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>
(cherry picked from commit 9303ba272e988d87084880c57056b750cc5ffd08)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -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 38ae5eb24e..4af14d88c9 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -408,7 +408,7 @@ 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; } |