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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-03-11 03:25:41 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-03-12 04:38:14 +0100 |
| commit | 47cc9c1d77f5362e1ba8cee604cb0853d3576b0b (patch) | |
| tree | 4225760ad3b702c7c3fd1e35c5eb73dcf8c27ec3 /libavcodec/wavpack.h | |
| parent | 0bab78f7e729a76ea7a8cbec7f1de033c52494e8 (diff) | |
| download | ffmpeg-47cc9c1d77f5362e1ba8cee604cb0853d3576b0b.tar.gz | |
avcodec/wavpack: Fix runtime error: signed integer overflow: -2147483648 + -83886075 cannot be represented in type 'int'
Fixes: 761/clusterfuzz-testcase-5442222252097536
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/wavpack.h')
| -rw-r--r-- | libavcodec/wavpack.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/wavpack.h b/libavcodec/wavpack.h index 0196574aab..445d593c3b 100644 --- a/libavcodec/wavpack.h +++ b/libavcodec/wavpack.h @@ -99,8 +99,8 @@ typedef struct WvChannel { // macros for manipulating median values #define GET_MED(n) ((c->median[n] >> 4) + 1) -#define DEC_MED(n) c->median[n] -= ((c->median[n] + (128 >> (n)) - 2) / (128 >> (n))) * 2 -#define INC_MED(n) c->median[n] += ((c->median[n] + (128 >> (n)) ) / (128 >> (n))) * 5 +#define DEC_MED(n) c->median[n] -= ((c->median[n] + (128 >> (n)) - 2) / (128 >> (n))) * 2U +#define INC_MED(n) c->median[n] += ((c->median[n] + (128 >> (n)) ) / (128 >> (n))) * 5U // macros for applying weight #define UPDATE_WEIGHT_CLIP(weight, delta, samples, in) \ |