From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 8 Jul 2013 23:01:27 +0000 (-0700)
Subject: mwave: fix info leak in mwave_ioctl()
X-Git-Tag: v3.11-rc1~67^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=026dadad6b44f0469a475efb4cae48269d8848bd;p=pandora-kernel.git

mwave: fix info leak in mwave_ioctl()

Smatch complains that on 64 bit systems, there is a hole in the
MW_ABILITIES struct between ->component_count and ->component_list[].
It leaks stack information from the mwave_ioctl() function.

I've added a memset() to initialize the struct to zero.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Greg KH <greg@kroah.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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