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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 03:05:55 +0200 |
| commit | bb02e5bc09186e20f98d90e32311fd514c69ac56 (patch) | |
| tree | 8342d7d06ce44d03bbd3b3a882b986429059cdfc | |
| parent | addf70e4928a648e7661d0e94ca207db82ad0b49 (diff) | |
| download | ffmpeg-bb02e5bc09186e20f98d90e32311fd514c69ac56.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 0dcc05037d..a4f05f094f 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); |