On Mon, Aug 23, 2021 at 02:35:01PM -0400, maryam ebrahimzadeh wrote:
> avcodec/vp6: Return value check for init_get_bits
>
> As the second argument for init_get_bits(buf) can be crafted,
> a return value check for this function call is necessary.
> Also replace init_get_bits with init_get_bits8.
> ---
> libavcodec/vp6.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/libavcodec/vp6.c b/libavcodec/vp6.c
> index 73822a00f9..d024370793 100644
> --- a/libavcodec/vp6.c
> +++ b/libavcodec/vp6.c
> @@ -167,7 +167,9 @@ static int vp6_parse_header(VP56Context *s, const uint8_t
> *buf, int buf_size)
> }
> if (s->use_huffman) {
> s->parse_coeff = vp6_parse_coeff_huffman;
> - init_get_bits(&s->gb, buf, buf_size<<3);
> + ret = init_get_bits8(&s->gb, buf, buf_size);
> + if (ret < 0)
> + return ret;
> } else {
> ret = ff_vp56_init_range_decoder(&s->cc, buf, buf_size);
> if (ret < 0)
> --
> 2.17.1looks good, please apply. -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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