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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-18 16:45:30 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-10-21 22:19:37 +0200 |
| commit | a9fcab5cdc34c86147e5d4e6eaca28a63bf6b826 (patch) | |
| tree | 51d66787473fe564eeafa64559b175bd84ace257 | |
| parent | fa4fdc7ffbc3aa2cdf3fef55e054720dc44512e4 (diff) | |
| download | ffmpeg-a9fcab5cdc34c86147e5d4e6eaca28a63bf6b826.tar.gz | |
avformat/xwma: Use av_rescale() for duration computation
Fixes: signed integer overflow: 34242363648 * 538976288 cannot be represented in type 'long'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6577923913547776
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2c789f753c3657be9041307f9c03749f5ba5a6bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/xwma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/xwma.c b/libavformat/xwma.c index 6e74a338bf..babe9bcd30 100644 --- a/libavformat/xwma.c +++ b/libavformat/xwma.c @@ -253,7 +253,7 @@ static int xwma_read_header(AVFormatContext *s) * the total duration using the average bits per sample and the * total data length. */ - st->duration = (size<<3) * st->codecpar->sample_rate / st->codecpar->bit_rate; + st->duration = av_rescale((size<<3), st->codecpar->sample_rate, st->codecpar->bit_rate); } fail: |