[CRIU] Re: [PATCH] sockets: Fix potential NULL dereference

[Pavel Emelyanov]

On 04/12/2012 10:44 PM, Cyrill Gorcunov wrote:
> In case if unix socket was not found don't
> call for container_of.
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
> ---
>  sockets.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/sockets.c b/sockets.c
> index 75faa0f..128c721 100644
> --- a/sockets.c
> +++ b/sockets.c
> @@ -806,7 +806,9 @@ static struct unix_sk_info *find_unix_sk(int id)
>  	struct file_desc *d;
>  
>  	d = find_file_desc_raw(FDINFO_UNIXSK, id);
> -	return container_of(d, struct unix_sk_info, d);
> +	if (d)
> +		return container_of(d, struct unix_sk_info, d);
> +	return NULL;
>  }
>  
>  struct sk_packet {

Applied