libavutil/frame.c:343: error: Buffer Overrun L1
  Offset added: 1024 Size: 64 by call to `av_image_copy`.

libavutil/frame.c:317:1: Parameter `frame->data[*]`
315. }
316. 
317. int av_frame_make_writable(AVFrame *frame)
     ^
318. {
319.     AVFrame tmp;

libavutil/frame.c:343:9: Call
341.                         frame->nb_samples, ch, frame->format);
342.     } else {
343.         av_image_copy(tmp.data, tmp.linesize, frame->data, frame->linesize,
             ^
344.                       frame->format, frame->width, frame->height);
345.     }

libavutil/imgutils.c:244:1: <Length trace>
242. }
243. 
244. void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
     ^
245.                    const uint8_t *src_data[4], const int src_linesizes[4],
246.                    enum AVPixelFormat pix_fmt, int width, int height)

libavutil/imgutils.c:244:1: Parameter `**src_data`
  242. }
  243. 
  244. void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
       ^
  245.                    const uint8_t *src_data[4], const int src_linesizes[4],
  246.                    enum AVPixelFormat pix_fmt, int width, int height)

libavutil/imgutils.c:259:9: Array access: Offset added: 1024 Size: 64 by call to `av_image_copy` 
  257.                             width, height);
  258.         /* copy the palette */
  259.         memcpy(dst_data[1], src_data[1], 4*256);
               ^
  260.     } else {
  261.         int i, planes_nb = 0;
