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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-23 01:58:48 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-23 03:05:56 +0200 |
| commit | fe74c2364ee3ac0478abf5c579d3ac27e02fc30c (patch) | |
| tree | e2013155bbefff228f34aab3004e240a2db5d542 | |
| parent | 7fadd9625f71fa05d9885e0cee6bbc579c4753db (diff) | |
| download | ffmpeg-fe74c2364ee3ac0478abf5c579d3ac27e02fc30c.tar.gz | |
avcodec/wavpack: Fix integer overflow
Fixes: runtime error: signed integer overflow: 227511904 + 1964113935 cannot be represented in type 'int'
Fixes: 2331/clusterfuzz-testcase-minimized-6182185830711296
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 24e95f9d4de012f51fdd5767dff0b3142e13ec3a)
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 7a87aa36f0..1bb778f6a5 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -219,7 +219,7 @@ static int wv_get_value(WavpackFrameContext *ctx, GetBitContext *gb, INC_MED(1); DEC_MED(2); } else { - base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2); + base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2U); add = GET_MED(2) - 1; INC_MED(0); INC_MED(1); |