From 43455e8604586d80d43ebb23f9cbb31d6321ef7d Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 29 Oct 2013 23:01:11 +0300
Subject: [PATCH] Staging: bcm: info leak in ioctl

commit 8d1e72250c847fa96498ec029891de4dc638a5ba upstream.

The DevInfo.u32Reserved[] array isn't initialized so it leaks kernel
information to user space.

Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 drivers/staging/bcm/Bcmchar.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/bcm/Bcmchar.c b/drivers/staging/bcm/Bcmchar.c
index 2fa658eb74dc..391b768de78d 100644
--- a/drivers/staging/bcm/Bcmchar.c
+++ b/drivers/staging/bcm/Bcmchar.c
@@ -1932,6 +1932,7 @@ cntrlEnd:
 
 		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, OSAL_DBG, DBG_LVL_ALL, "Called IOCTL_BCM_GET_DEVICE_DRIVER_INFO\n");
 
+		memset(&DevInfo, 0, sizeof(DevInfo));
 		DevInfo.MaxRDMBufferSize = BUFFER_4K;
 		DevInfo.u32DSDStartOffset = EEPROM_CALPARAM_START;
 		DevInfo.u32RxAlignmentCorrection = 0;
-- 
2.34.1