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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-30 03:09:11 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-23 13:15:17 +0200 |
| commit | 2ba5c6e330e11d55a0633191d51faafd9b20f545 (patch) | |
| tree | 738355d7b8471ac46d4a08d21f09fb905821c434 | |
| parent | cc1fd61f6875ffcd7df4a7a7815a2fdf6e63b9cf (diff) | |
| download | ffmpeg-2ba5c6e330e11d55a0633191d51faafd9b20f545.tar.gz | |
avcodec/wavpack: Fix runtime error: signed integer overflow: 24 * -2147483648 cannot be represented in type 'int'
Fixes: 1894/clusterfuzz-testcase-minimized-4716739789062144
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 d90c5bf10559554d6f9cd1dfb90767b991b76d5d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/wavpack.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 38b5150053..a5eae7e8ea 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -548,7 +548,7 @@ static inline int wv_unpack_mono(WavpackFrameContext *s, GetBitContext *gb, if (type != AV_SAMPLE_FMT_S16P) S = T + ((s->decorr[i].weightA * (int64_t)A + 512) >> 10); else - S = T + ((s->decorr[i].weightA * A + 512) >> 10); + S = T + ((int)(s->decorr[i].weightA * (unsigned)A + 512) >> 10); if (A && T) s->decorr[i].weightA -= ((((T ^ A) >> 30) & 2) - 1) * s->decorr[i].delta; s->decorr[i].samplesA[j] = T = S; |