diff --git a/net/can/bcm.c b/net/can/bcm.c index 08ffe9e..5960ad7 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -165,9 +165,16 @@ static int bcm_proc_show(struct seq_file *m, void *v) struct bcm_sock *bo = bcm_sk(sk); struct bcm_op *op; - seq_printf(m, ">>> socket %p", sk->sk_socket); - seq_printf(m, " / sk %p", sk); - seq_printf(m, " / bo %p", bo); + /* Only expose kernel addresses to privileged readers */ + if (capable(CAP_NET_ADMIN)) + seq_printf(m, ">>> socket %p", sk->sk_socket); + seq_printf(m, " / sk %p", sk); + seq_printf(m, " / bo %p", bo); + else + seq_printf(m, ">>> socket %lu", sock_i_ino(sk)); + seq_printf(m, " / sk %d", 0); + seq_printf(m, " / bo %d", 0); + seq_printf(m, " / dropped %lu", bo->dropped_usr_msgs); seq_printf(m, " / bound %s", bcm_proc_getifname(ifname, bo->ifindex)); seq_printf(m, " <<<\n"); @@ -1520,8 +1527,8 @@ static int bcm_connect(struct socket *sock, struct sockaddr *uaddr, int len, bo->bound = 1; if (proc_dir) { - /* unique socket address as filename */ - sprintf(bo->procname, "%p", sock); + /* unique socket inode as filename */ + sprintf(bo->procname, "%lx", sock_i_ino(sk)); bo->bcm_proc_read = proc_create_data(bo->procname, 0644, proc_dir, &bcm_proc_fops, sk); -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html