netdev - [PATCH net-next 10/10] IB/core: Avoid leakage from kernel to user space

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Message-Id: <1407929951-16362-11-git-send-email-eli@mellanox.com>
Date:	Wed, 13 Aug 2014 14:39:11 +0300
From:	Eli Cohen <eli@....mellanox.co.il>
To:	roland@...nel.org, davem@...emloft.net
Cc:	netdev@...r.kernel.org, rdma@...r.kernel.org, amirv@...lanox.com,
	yevgenyp@...lanox.com, Eli Cohen <eli@...lanox.com>
Subject: [PATCH net-next 10/10] IB/core: Avoid leakage from kernel to user space

Clear the reserved field of struct ib_uverbs_async_event_desc which copied to
user space.

Signed-off-by: Eli Cohen <eli@...lanox.com>
---
 drivers/infiniband/core/uverbs_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 1280e78f199d..607b62ce434b 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -477,6 +477,7 @@ static void ib_uverbs_async_handler(struct ib_uverbs_file *file,
 
 	entry->desc.async.element    = element;
 	entry->desc.async.event_type = event;
+	entry->desc.async.reserved   = 0;
 	entry->counter               = counter;
 
 	list_add_tail(&entry->list, &file->async_file->event_list);
-- 
1.9.3

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