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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-10-28 23:28:59 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-04-07 23:40:36 +0200 |
| commit | 37aaa56842418503c3cc6e003398dea3632dbf00 (patch) | |
| tree | cb5e7aa81f4e113e2e97760ae131b6f82a705c7b | |
| parent | a73cd6aebf4684bc39ff8441def471537259dbd5 (diff) | |
| download | ffmpeg-37aaa56842418503c3cc6e003398dea3632dbf00.tar.gz | |
avformat/replaygain: avoid undefined / negative abs
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>
(cherry picked from commit 2532b20b17ec557f1b925bfc41c00e7d4e17356c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/replaygain.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/replaygain.c b/libavformat/replaygain.c index 707d3cd4f1..01db483257 100644 --- a/libavformat/replaygain.c +++ b/libavformat/replaygain.c @@ -61,7 +61,7 @@ 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; |