[PATCH 1/4] ipmi: info leak in compat_ipmi_ioctl()

[minyard]

From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

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

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Corey Minyard <cminyard@xxxxxxxxxx>
---
 drivers/char/ipmi/ipmi_devintf.c |    1 +
 1 file changed, 1 insertion(+)

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;
 
-- 
1.7.9.5

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