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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-12-09 17:39:38 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-15 17:39:04 +0100 |
| commit | 5d865cb375c49227d3966858728908ad1d1044f8 (patch) | |
| tree | 5e1bcf1ac3ebe408ae584a35bb91134a4dd07156 | |
| parent | 4bcbeaa337ea18b57868bd62f24e735bbaac667c (diff) | |
| download | ffmpeg-5d865cb375c49227d3966858728908ad1d1044f8.tar.gz | |
avutil/mathematics: Fix division by 0
Fixes: CID1341571
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bc8b1e694cc395fdf5e2917377ef11263c937d85)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavutil/mathematics.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavutil/mathematics.c b/libavutil/mathematics.c index 4d8467b8c8..78a87d8457 100644 --- a/libavutil/mathematics.c +++ b/libavutil/mathematics.c @@ -90,7 +90,7 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd) else { int64_t ad = a / c; int64_t a2 = (a % c * b + r) / c; - if (ad >= INT32_MAX && ad > (INT64_MAX - a2) / b) + if (ad >= INT32_MAX && b && ad > (INT64_MAX - a2) / b) return INT64_MIN; return ad * b + a2; } |