[FFmpeg-devel] [PATCH 3/4] avcodec/sbcdec: Initilaize nubmer of channels

[Paul B Mahol]

lgtm

On 9/25/19, Michael Niedermayer <michael at niedermayer.cc> wrote:
> Fixes: out of array access
> Fixes:
> 17609/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SBC_fuzzer-5758729319874560
>
> Found-by: continuous fuzzing process
> https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavcodec/sbcdec.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/libavcodec/sbcdec.c b/libavcodec/sbcdec.c
> index 546b38c106..937946e2d2 100644
> --- a/libavcodec/sbcdec.c
> +++ b/libavcodec/sbcdec.c
> @@ -348,6 +348,7 @@ static int sbc_decode_frame(AVCodecContext *avctx,
>      if (frame_length <= 0)
>          return frame_length;
>
> +    avctx->channels =
>      frame->channels = sbc->frame.channels;
>      frame->format = AV_SAMPLE_FMT_S16P;
>      frame->nb_samples = sbc->frame.blocks * sbc->frame.subbands;
> --
> 2.23.0
>
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