lgtm

On 9/26/19, Michael Niedermayer <mich...@niedermayer.cc> wrote:
> Improves: Timeout (85sec -> 46sec)
> Improves:
> 17644/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-5715704283660288
>
> Found-by: continuous fuzzing process
> https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
> ---
>  libavcodec/scpr.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/libavcodec/scpr.c b/libavcodec/scpr.c
> index ab4d5b57df..2a0ebcecfc 100644
> --- a/libavcodec/scpr.c
> +++ b/libavcodec/scpr.c
> @@ -534,6 +534,9 @@ static int decode_frame(AVCodecContext *avctx, void
> *data, int *got_frame,
>          uint32_t clr, *dst = (uint32_t *)s->current_frame->data[0];
>          int y;
>
> +        if (bytestream2_get_bytes_left(gb) < 3)
> +            return AVERROR_INVALIDDATA;
> +
>          frame->key_frame = 1;
>          bytestream2_skip(gb, 1);
>          if (avctx->bits_per_coded_sample == 16) {
> --
> 2.23.0
>
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