lgtm
On 12/14/19, Michael Niedermayer <mich...@niedermayer.cc> wrote:
> Fixes: Ticket8430
>
> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
> ---
> libavcodec/pnm.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/libavcodec/pnm.c b/libavcodec/pnm.c
> index b4e5d3076b..b5c2881948 100644
> --- a/libavcodec/pnm.c
> +++ b/libavcodec/pnm.c
> @@ -117,6 +117,9 @@ int ff_pnm_decode_header(AVCodecContext *avctx,
> PNMContext * const s)
> return AVERROR_INVALIDDATA;
> }
> }
> + if (!pnm_space(s->bytestream[-1]))
> + return AVERROR_INVALIDDATA;
> +
> /* check that all tags are present */
> if (w <= 0 || h <= 0 || maxval <= 0 || maxval > UINT16_MAX || depth
> <= 0 || tuple_type[0] == '\0' ||
> av_image_check_size(w, h, 0, avctx) || s->bytestream >=
> s->bytestream_end)
> @@ -197,6 +200,10 @@ int ff_pnm_decode_header(AVCodecContext *avctx,
> PNMContext * const s)
> }
> }else
> s->maxval=1;
> +
> + if (!pnm_space(s->bytestream[-1]))
> + return AVERROR_INVALIDDATA;
> +
> /* more check if YUV420 */
> if (av_pix_fmt_desc_get(avctx->pix_fmt)->flags &
> AV_PIX_FMT_FLAG_PLANAR) {
> if ((avctx->width & 1) != 0)
> --
> 2.24.0
>
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