From: Kees Cook <keescook@chromium.org>
Date: Mon, 8 Oct 2012 23:34:09 +0000 (-0700)
Subject: mm: use %pK for /proc/vmallocinfo
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=45ec16908e84e00d847e9063231fb3a75e6366bc;p=openwrt%2Fstaging%2Fblogic.git

mm: use %pK for /proc/vmallocinfo

In the paranoid case of sysctl kernel.kptr_restrict=2, mask the kernel
virtual addresses in /proc/vmallocinfo too.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reported-by: Brad Spengler <spender@grsecurity.net>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 8de704679bfc..78e08300db21 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2571,7 +2571,7 @@ static int s_show(struct seq_file *m, void *p)
 {
 	struct vm_struct *v = p;
 
-	seq_printf(m, "0x%p-0x%p %7ld",
+	seq_printf(m, "0x%pK-0x%pK %7ld",
 		v->addr, v->addr + v->size, v->size);
 
 	if (v->caller)