Linux kernel < 4.14.111 drivers/media/pci/saa7164/saa7164-core.c kernel address dumps to user space

[Fuqian Huang <huangfq.daxian () gmail com>]

In drivers/media/pci/saa7164/saa7164-core.c:1059,
saa7164_proc_show will dump the address of dev into procfs,
local user could read kernel address information via /proc/saa7164.

static int saa7164_proc_show(struct seq_file *m, void *v)
{
    ...
        seq_printf(m, "%s = %p\n", dev->name, dev);
    ...
}