On Wed, May 11, 2022 at 10:48:18PM +0800, lance.lmw...@gmail.com wrote:
> From: Limin Wang <lance.lmw...@gmail.com>
>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> libavcodec/dvdsubenc.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/libavcodec/dvdsubenc.c b/libavcodec/dvdsubenc.c
> index fc3b7d1816..d29db7d49c 100644
> --- a/libavcodec/dvdsubenc.c
> +++ b/libavcodec/dvdsubenc.c
> @@ -376,6 +376,12 @@ static int encode_dvd_subtitles(AVCodecContext *avctx,
> x2 = vrect.x + vrect.w - 1;
> y2 = vrect.y + vrect.h - 1;
>
> + if (x2 > avctx->width || y2 > avctx->height) {
> + av_log(avctx, AV_LOG_ERROR, "canvas_size(%d:%d) is too small(%d:%d)
> for render\n",
> + avctx->width, avctx->height, x2, y2);
> + ret = AVERROR(EINVAL);;
> + goto fail;
> + }
> *q++ = 0x05;
> // x1 x2 -> 6 nibbles
> *q++ = vrect.x >> 4;
> --
> 2.35.1
>
will apply the patchset 1,3,4 tomorrow if no other comments.
--
Thanks,
Limin Wang
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