On Mon, Feb 2, 2015 at 1:22 AM, Luca Barbato <[email protected]> wrote:
> It can be less than -1.
>
> Bug-Id: CID 1194397 / CID 1194398
> CC: [email protected]
> ---
>  libavcodec/svq1dec.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c
> index 789a013..909ace7 100644
> --- a/libavcodec/svq1dec.c
> +++ b/libavcodec/svq1dec.c
> @@ -191,7 +191,7 @@ static int svq1_decode_block_intra(GetBitContext *bitbuf, 
> uint8_t *pixels,
>              continue;   /* skip vector */
>          }
>
> -        if (stages > 0 && level >= 4) {
> +        if ((stages > 0 && level >= 4) || stages < 0) {
>              av_dlog(NULL,
>                      "Error (svq1_decode_block_intra): invalid vector: 
> stages=%i level=%i\n",
>                      stages, level);
> @@ -253,7 +253,7 @@ static int svq1_decode_block_non_intra(GetBitContext 
> *bitbuf, uint8_t *pixels,
>          if (stages == -1)
>              continue;           /* skip vector */
>
> -        if ((stages > 0) && (level >= 4)) {
> +        if ((stages > 0 && level >= 4) || stages < 0) {
>              av_dlog(NULL,
>                      "Error (svq1_decode_block_non_intra): invalid vector: 
> stages=%i level=%i\n",
>                      stages, level);
> --
> 1.9.0
>
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> libav-devel mailing list
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> https://lists.libav.org/mailman/listinfo/libav-devel

probably ok

-- 
Vittorio
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