On 16/10/15 14:40, Vittorio Giovara wrote:
> Previously the message was cut off at 256th byte.
> 
> Signed-off-by: Vittorio Giovara <[email protected]>
> ---
>  libavcodec/h264_sei.c | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/libavcodec/h264_sei.c b/libavcodec/h264_sei.c
> index ddf1b6f..9f694fa 100644
> --- a/libavcodec/h264_sei.c
> +++ b/libavcodec/h264_sei.c
> @@ -215,13 +215,17 @@ static int decode_registered_user_data(H264Context *h, 
> int size)
>  
>  static int decode_unregistered_user_data(H264Context *h, int size)
>  {
> -    uint8_t user_data[16 + 256];
> +    uint8_t *user_data;
>      int e, build, i;
>  
> -    if (size < 16)
> +    if (size < 16 || size >= INT_MAX - 16)
>          return AVERROR_INVALIDDATA;
>  
> -    for (i = 0; i < sizeof(user_data) - 1 && i < size; i++)
> +    user_data = av_malloc(16 + size + 1);

mallocz maybe?

I recall there are some pending patches on this area now...

lu
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