libavcodec/utils.c:732: error: Buffer Overrun L1
  Offset added: 1024 Size: 64 by call to `av_image_copy`.

libavcodec/utils.c:711:1: Parameter `frame->data[*]`
709. }
710. 
711. int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
     ^
712. {
713.     AVFrame tmp;

libavcodec/utils.c:732:5: Call
730.     }
731. 
732.     av_image_copy(frame->data, frame->linesize, tmp.data, tmp.linesize,
         ^
733.                   frame->format, frame->width, frame->height);
734. 

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 `**dst_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;

void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
                   const uint8_t *src_data[4], const int src_linesizes[4],
                   enum AVPixelFormat pix_fmt, int width, int height)
{
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
    if (!desc || desc->flags & PIX_FMT_HWACCEL)
        return;
    if (desc->flags & PIX_FMT_PAL ||
        desc->flags & PIX_FMT_PSEUDOPAL) {
        av_image_copy_plane(dst_data[0], dst_linesizes[0],
                            src_data[0], src_linesizes[0],
                            width, height);
        memcpy(dst_data[1], src_data[1], 4*256);
    } else {
        int i, planes_nb = 0;
        for (i = 0; i < desc->nb_components; i++)
            planes_nb = FFMAX(planes_nb, desc->comp[i].plane + 1);
        for (i = 0; i < planes_nb; i++) {
            int h = height;
            int bwidth = av_image_get_linesize(pix_fmt, width, i);
            if (i == 1 || i == 2) {
                h= -((-height)>>desc->log2_chroma_h);
            }
            av_image_copy_plane(dst_data[i], dst_linesizes[i],
                                src_data[i], src_linesizes[i],
                                bwidth, h);
        }
    }
}
['int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)\n{\n    AVFrame tmp;\n    int ret;\n    av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);\n    if (!frame->data[0])\n        return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);\n    if (av_frame_is_writable(frame))\n        return 0;\n    av_frame_move_ref(&tmp, frame);\n    ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);\n    if (ret < 0) {\n        av_frame_unref(&tmp);\n        return ret;\n    }\n    av_image_copy(frame->data, frame->linesize, tmp.data, tmp.linesize,\n                  frame->format, frame->width, frame->height);\n    av_frame_unref(&tmp);\n    return 0;\n}', 'void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],\n                   const uint8_t *src_data[4], const int src_linesizes[4],\n                   enum AVPixelFormat pix_fmt, int width, int height)\n{\n    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);\n    if (!desc || desc->flags & PIX_FMT_HWACCEL)\n        return;\n    if (desc->flags & PIX_FMT_PAL ||\n        desc->flags & PIX_FMT_PSEUDOPAL) {\n        av_image_copy_plane(dst_data[0], dst_linesizes[0],\n                            src_data[0], src_linesizes[0],\n                            width, height);\n        memcpy(dst_data[1], src_data[1], 4*256);\n    } else {\n        int i, planes_nb = 0;\n        for (i = 0; i < desc->nb_components; i++)\n            planes_nb = FFMAX(planes_nb, desc->comp[i].plane + 1);\n        for (i = 0; i < planes_nb; i++) {\n            int h = height;\n            int bwidth = av_image_get_linesize(pix_fmt, width, i);\n            if (i == 1 || i == 2) {\n                h= -((-height)>>desc->log2_chroma_h);\n            }\n            av_image_copy_plane(dst_data[i], dst_linesizes[i],\n                                src_data[i], src_linesizes[i],\n                                bwidth, h);\n        }\n    }\n}']