From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 5 Sep 2013 11:36:33 +0000 (-0500)
Subject: ipmi: info leak in compat_ipmi_ioctl()
X-Git-Tag: v4.0~3393^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fa7df37b588f48a1ff6ef005187f3c5c2281df95;p=platform%2Fkernel%2Flinux-amlogic.git

ipmi: info leak in compat_ipmi_ioctl()

On x86_64 there is a 4 byte hole between ->recv_type and ->addr.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index d5a5f02..ec318bf 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -810,6 +810,7 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
 		struct ipmi_recv   __user *precv64;
 		struct ipmi_recv   recv64;
 
+		memset(&recv64, 0, sizeof(recv64));
 		if (get_compat_ipmi_recv(&recv64, compat_ptr(arg)))
 			return -EFAULT;