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avformat/replaygain: avoid undefined / negative abs

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Fixes: signed integer overflow: -2147483648 * 100000 cannot be represented in type 'int'
Fixes: 52060/clusterfuzz-testcase-minimized-ffmpeg_dem_MP3_fuzzer-5131616708329472

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-10-28 23:28:59 +02:00
parent b74f89caae
commit 2532b20b17
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GPG Key ID: B18E8928B3948D64
1 changed files with 1 additions and 1 deletions
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libavformat/replaygain.c
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@ -60,7 +60,7 @@ static int32_t parse_value(const char *value, int32_t min)
}
}
if (abs(db) > (INT32_MAX - mb) / 100000)
if (llabs(db) > (INT32_MAX - mb) / 100000)
return min;
return db * 100000 + sign * mb;