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author | Michael Niedermayer <michael@niedermayer.cc> | 2022-10-28 23:28:59 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-03-27 13:37:12 +0200 |
commit | 889a2953849c251d2b8f96a753e0becdc4aa8a2c (patch) | |
tree | 6332cc97d1526dc48b57ffafdb285806f6eead63 | |
parent | 2334da0faac38bf6dbc67b1b1c16891473f208f2 (diff) | |
download | ffmpeg-889a2953849c251d2b8f96a753e0becdc4aa8a2c.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 24f5c74183..915bcb2382 100644 --- a/libavformat/replaygain.c +++ b/libavformat/replaygain.c @@ -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; |