[FFmpeg-devel] [PATCH] avcodec/cbs_vp8: fix GetBitContext setup

[James Almer]

On 12/17/2023 10:18 AM, Michael Niedermayer wrote:
> Fixes: abort()
> Fixes: 64232/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5417957987319808
> 
> 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/cbs_vp8.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavcodec/cbs_vp8.c b/libavcodec/cbs_vp8.c
> index 01d4b9cefef..065156c2485 100644
> --- a/libavcodec/cbs_vp8.c
> +++ b/libavcodec/cbs_vp8.c
> @@ -307,7 +307,7 @@ static int cbs_vp8_read_unit(CodedBitstreamContext *ctx,
>       frame = unit->content;
>   
>       // Create GetBitContext for uncompressed header.
> -    err = init_get_bits8_le(&gbc, unit->data, 8 * unit->data_size);
> +    err = init_get_bits8_le(&gbc, unit->data, unit->data_size);
>       if (err < 0)
>           return err;

LGTM.