libavcodec/imgconvert.c:680: error: Buffer Overrun L1
  Offset added: 1024 Size: 64 by call to `av_image_copy`.

libavcodec/imgconvert.c:677:1: Parameter `src->data[*]`
675. }
676. 
677. void av_picture_copy(AVPicture *dst, const AVPicture *src,
     ^
678.                      enum AVPixelFormat pix_fmt, int width, int height)
679. {

libavcodec/imgconvert.c:680:5: Call
678.                      enum AVPixelFormat pix_fmt, int width, int height)
679. {
680.     av_image_copy(dst->data, dst->linesize, src->data,
         ^
681.                   src->linesize, pix_fmt, width, height);
682. }

libavutil/imgutils.c:238:1: <Length trace>
236. }
237. 
238. void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
     ^
239.                    const uint8_t *src_data[4], const int src_linesizes[4],
240.                    enum AVPixelFormat pix_fmt, int width, int height)

libavutil/imgutils.c:238:1: Parameter `**src_data`
  236. }
  237. 
  238. void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
       ^
  239.                    const uint8_t *src_data[4], const int src_linesizes[4],
  240.                    enum AVPixelFormat pix_fmt, int width, int height)

libavutil/imgutils.c:253:9: Array access: Offset added: 1024 Size: 64 by call to `av_image_copy` 
  251.                             width, height);
  252.         /* copy the palette */
  253.         memcpy(dst_data[1], src_data[1], 4*256);
               ^
  254.     } else {
  255.         int i, planes_nb = 0;
