[PATCH] xfs: Initialize label array properly

[Austin Kim]

In case kernel stack variable is not initialized properly,
there is a risk of kernel information disclosure.

So, initialize 'char label[]' array with null characters.

Signed-off-by: Austin Kim <austindh....@gmail.com>
---
 fs/xfs/xfs_ioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 9ea5166..09b3bee 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -2037,7 +2037,7 @@ xfs_ioc_setlabel(
        char                    __user *newlabel)
 {
        struct xfs_sb           *sbp = &mp->m_sb;
-       char                    label[XFSLABEL_MAX + 1];
+       char                    label[XFSLABEL_MAX + 1] = {0};
        size_t                  len;
        int                     error;
 
-- 
2.6.2