Re: [PATCH spice-server] reds: Fix use-after-free

[Uri Lublin <uril@xxxxxxxxxx>]

On 7/17/19 1:41 PM, Frediano Ziglio wrote:
> video_codecs can be freed so use it before.
>
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>

Ack.

I had a similar patch, you sent your faster :)

Uri.

> ---
>   server/reds.c | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/server/reds.c b/server/reds.c
> index 817fdd423..78bbe5a0f 100644
> --- a/server/reds.c
> +++ b/server/reds.c
> @@ -3851,6 +3851,10 @@ static int reds_set_video_codecs_from_string(RedsState *reds, const char *codecs
>           codecs = c;
>       }
>   
> +    if (installed) {
> +        *installed = video_codecs->len;
> +    }
> +
>       if (video_codecs->len == 0) {
>           spice_warning("Failed to set video codecs, input string: '%s'", codecs);
>           g_array_unref(video_codecs);
> @@ -3860,10 +3864,6 @@ static int reds_set_video_codecs_from_string(RedsState *reds, const char *codecs
>   
>       g_free(codecs_copy);
>   
> -    if (installed) {
> -        *installed = video_codecs->len;
> -    }
> -
>       return invalid_codecs;
>   }
>   

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