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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-07-02 03:30:54 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-07-19 03:39:53 +0200 |
| commit | 0ddff40bf8887a023e553cf6282e9df654435456 (patch) | |
| tree | 0114a697453049d975e4438aa788548779105b23 | |
| parent | 2170bdb56d68f792cbeaa61cd85a71249360eea7 (diff) | |
| download | ffmpeg-0ddff40bf8887a023e553cf6282e9df654435456.tar.gz | |
avcodec/sbrdsp_fixed: Fix integer overflow in sbr_hf_apply_noise()
Fixes: runtime error: signed integer overflow: -2049425300 + -117591631 cannot be represented in type 'int'
Fixes: part of 2096/clusterfuzz-testcase-minimized-4901566068817920
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 2061de8a3f73f14806e5f6ccaf9a635f740a54e6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/sbrdsp_fixed.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/sbrdsp_fixed.c b/libavcodec/sbrdsp_fixed.c index f42708a8a7..7d593a18b8 100644 --- a/libavcodec/sbrdsp_fixed.c +++ b/libavcodec/sbrdsp_fixed.c @@ -253,8 +253,8 @@ static av_always_inline int sbr_hf_apply_noise(int (*Y)[2], int m; for (m = 0; m < m_max; m++) { - int y0 = Y[m][0]; - int y1 = Y[m][1]; + unsigned y0 = Y[m][0]; + unsigned y1 = Y[m][1]; noise = (noise + 1) & 0x1ff; if (s_m[m].mant) { int shift, round; |