Fixes: out of array read
Fixes: 
36341/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-6737583085322240

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
 libavcodec/h264dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/h264dec.c b/libavcodec/h264dec.c
index 38f8967265..07ff9110d2 100644
--- a/libavcodec/h264dec.c
+++ b/libavcodec/h264dec.c
@@ -914,7 +914,7 @@ static int finalize_frame(H264Context *h, AVFrame *dst, 
H264Picture *out, int *g
                                  out->qscale_table,
                                  out->motion_val,
                                  NULL,
-                                 h->mb_width, h->mb_height, h->mb_stride, 1);
+                                 out->mb_width, out->mb_height, 
out->mb_stride, 1);
         }
     }
 
-- 
2.17.1

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