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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-17 16:32:09 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-11-03 23:29:49 +0100 |
| commit | 2a6e750c87c2b5b87817bf456735c74cf79b4694 (patch) | |
| tree | c91bff9b0f437f5e51ccf7c37bc42cc6c7a87609 | |
| parent | ed455b98d052808c39192c0ce4335ac017db6127 (diff) | |
| download | ffmpeg-2a6e750c87c2b5b87817bf456735c74cf79b4694.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>
(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 154e5eaf7a..0ebfdee448 100644 --- a/libavformat/aiffdec.c +++ b/libavformat/aiffdec.c @@ -425,7 +425,7 @@ 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; } |