On Mon, May 16, 2022 at 02:33:33PM +0000, Andrea zi0Black Cappa wrote:

> Signed-off-by: Andrea zi0Black Cappa <zi0bl...@protonmail.com>
> ---
>  net/nfs.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/net/nfs.c b/net/nfs.c
> index 3c01cebd96..9152ab742e 100644
> --- a/net/nfs.c
> +++ b/net/nfs.c
> @@ -52,7 +52,7 @@ static const ulong nfs_timeout = CONFIG_NFS_TIMEOUT;
> 
>  static char dirfh[NFS_FHSIZE];       /* NFSv2 / NFSv3 file handle of 
> directory */
>  static char filefh[NFS3_FHSIZE]; /* NFSv2 / NFSv3 file handle */
> -static int filefh3_length;   /* (variable) length of filefh when NFSv3 */
> +static unsigned int filefh3_length;  /* (variable) length of filefh when 
> NFSv3 */
> 
>  static enum net_loop_state nfs_download_state;
>  static struct in_addr nfs_server_ip;
> @@ -573,8 +573,6 @@ static int nfs_lookup_reply(uchar *pkt, unsigned len)
>               filefh3_length = ntohl(rpc_pkt.u.reply.data[1]);
>               if (filefh3_length > NFS3_FHSIZE)
>                       filefh3_length  = NFS3_FHSIZE;
> -             if (((uchar *)&(rpc_pkt.u.reply.data[0]) - (uchar *)(&rpc_pkt) 
> + filefh3_length
> ) > len)
> -                     return -NFS_RPC_DROP;
>               memcpy(filefh, rpc_pkt.u.reply.data + 2, filefh3_length);
>       }

Thanks.  Can you please elaborate on the issue, and how this fixes it,
in the commit message?

-- 
Tom

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