On Sun, 5 Nov 2017 13:02:44 +0300
Vasily Averin <vvs@xxxxxxxxxxxxx> wrote:
> Be sure that all_clients list initialized in net_init hook was return
> to initial state.
>
> Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
> ---
> net/sunrpc/sunrpc_syms.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
> index c73de18..0c5a90f 100644
> --- a/net/sunrpc/sunrpc_syms.c
> +++ b/net/sunrpc/sunrpc_syms.c
> @@ -65,10 +65,14 @@ static __net_init int sunrpc_init_net(struct net *net)
>
> static __net_exit void sunrpc_exit_net(struct net *net)
> {
> + struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
> +
> rpc_pipefs_exit_net(net);
> unix_gid_cache_destroy(net);
> ip_map_cache_destroy(net);
> rpc_proc_exit(net);
> + WARN(!list_empty(&sn->all_clients),
> + "net %p exit: sunrpc all_clients list is not empty\n", net);
> }
Don't print a kernel pointer, this is a security leak.
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