[PATCH 3.14 13/68] qlcnic: info leak in qlcnic_dcb_peer_app_info()

[Greg Kroah-Hartman]

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

[ Upstream commit 7df566bbdd0af0785542b89466a937e94257fcfb ]

This function is called from dcbnl_build_peer_app().  The "info"
struct isn't initialized at all so we disclose 2 bytes of uninitialized
stack data.  We should clear it before passing it to the user.

Fixes: 48365e485275 ('qlcnic: dcb: Add support for CEE Netlink interface.')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c
@@ -1022,6 +1022,7 @@ static int qlcnic_dcb_peer_app_info(stru
 	struct qlcnic_dcb_cee *peer;
 	int i;
 
+	memset(info, 0, sizeof(*info));
 	*app_count = 0;
 
 	if (!test_bit(QLCNIC_DCB_STATE, &adapter->dcb->state))


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