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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-05 03:24:40 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-16 16:00:22 +0200 |
| commit | a6fb07d5ba3a0a1561c7e354ce9b8fbf6b404c04 (patch) | |
| tree | 74a023011f51a8e6f09ab174c6871a9cc8e0abed | |
| parent | cc9b7db429f1a2327d88c1bd710e866309e68ba5 (diff) | |
| download | ffmpeg-a6fb07d5ba3a0a1561c7e354ce9b8fbf6b404c04.tar.gz | |
avcodec/cavsdec: Fix undefined behavior from integer overflow
Fixes: 1335/clusterfuzz-testcase-minimized-5566961566089216
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a0e5f7f363555d2befafb1c9e1579dbe0a2fbca7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/cavsdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/cavsdec.c b/libavcodec/cavsdec.c index fed7043c12..8842346c25 100644 --- a/libavcodec/cavsdec.c +++ b/libavcodec/cavsdec.c @@ -465,7 +465,7 @@ static inline void mv_pred_direct(AVSContext *h, cavs_vector *pmv_fw, cavs_vector *col_mv) { cavs_vector *pmv_bw = pmv_fw + MV_BWD_OFFS; - int den = h->direct_den[col_mv->ref]; + unsigned den = h->direct_den[col_mv->ref]; int m = FF_SIGNBIT(col_mv->x); pmv_fw->dist = h->dist[1]; |