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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-15 21:21:20 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-17 20:35:20 +0200 |
| commit | cd4674f608b6dca14ceb8ef1aa1611fc931b1e03 (patch) | |
| tree | 470b60c121a4b46f9b29125a33606df6e2965508 /libavcodec | |
| parent | 55d320ddf850fc720720825cc7cee72b866c8cd7 (diff) | |
| download | ffmpeg-cd4674f608b6dca14ceb8ef1aa1611fc931b1e03.tar.gz | |
avcodec/svq3: Fix runtime error: left shift of negative value -6
Fixes: 1604/clusterfuzz-testcase-minimized-5312060206350336
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 a6eb006ad47beb6d5e5cc2c99f8185965209ec6b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/svq3.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c index 0d63736007..e05cab5a04 100644 --- a/libavcodec/svq3.c +++ b/libavcodec/svq3.c @@ -397,8 +397,8 @@ static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode, if (mode != PREDICT_MODE) { pred_motion(h, sl, k, part_width >> 2, dir, 1, &mx, &my); } else { - mx = s->next_pic->motion_val[0][b_xy][0] << 1; - my = s->next_pic->motion_val[0][b_xy][1] << 1; + mx = s->next_pic->motion_val[0][b_xy][0] * 2; + my = s->next_pic->motion_val[0][b_xy][1] * 2; if (dir == 0) { mx = mx * h->frame_num_offset / |