Fixes: 682/clusterfuzz-testcase-4799120021651456
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/h264_direct.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/h264_direct.c b/libavcodec/h264_direct.c
index 107c905db1..cbb84665b3 100644
--- a/libavcodec/h264_direct.c
+++ b/libavcodec/h264_direct.c
@@ -614,7 +614,7 @@ single_col:
{
const int16_t *mv_col = l1mv[x8 * 3 + y8 * b4_stride];
- int my_col = (mv_col[1] << y_shift) / 2;
+ int my_col = (mv_col[1] * (1 << y_shift)) / 2;
int mx = (scale * mv_col[0] + 128) >> 8;
int my = (scale * my_col + 128) >> 8;
fill_rectangle(&sl->mv_cache[0][scan8[i8 * 4]], 2, 2, 8,
--
2.11.0
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