unix: If we happen to find peer NULL when diag dumping, write zero.



Otherwise we leave uninitialized kernel memory in there.

Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 3b0723c1

net/unix/diag.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -86,8 +86,7 @@ static int sk_diag_dump_icons(struct sock sk, struct sk_buff nlskb)
		*/
		unix_state_lock_nested(req);
		peer = unix_sk(req)->peer;
		if (peer)
		buf[i++] = sock_i_ino(peer);
		buf[i++] = (peer ? sock_i_ino(peer) : 0);
		unix_state_unlock(req);
		}
		spin_unlock(&sk->sk_receive_queue.lock);