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authorSalva Peiró <speirofr@gmail.com>2015-10-07 07:09:26 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-10-20 15:34:29 -0200
commiteda98796aff0d9bf41094b06811f5def3b4c333c (patch)
treeaa145c556c6a8e9e0f59892aaba5a98508707d7b /drivers/media/platform
parent3c5be988e0b6a2f368e1659083b39e1f7ac909aa (diff)
[media] media/vivid-osd: fix info leak in ioctl
The vivid_fb_ioctl() code fails to initialize the 16 _reserved bytes of struct fb_vblank after the ->hcount member. Add an explicit memset(0) before filling the structure to avoid the info leak. Signed-off-by: Salva Peiró <speirofr@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform')
-rw-r--r--drivers/media/platform/vivid/vivid-osd.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/platform/vivid/vivid-osd.c b/drivers/media/platform/vivid/vivid-osd.c
index 084d346fb4c4..e15eef6a94e5 100644
--- a/drivers/media/platform/vivid/vivid-osd.c
+++ b/drivers/media/platform/vivid/vivid-osd.c
@@ -85,6 +85,7 @@ static int vivid_fb_ioctl(struct fb_info *info, unsigned cmd, unsigned long arg)
case FBIOGET_VBLANK: {
struct fb_vblank vblank;
+ memset(&vblank, 0, sizeof(vblank));
vblank.flags = FB_VBLANK_HAVE_COUNT | FB_VBLANK_HAVE_VCOUNT |
FB_VBLANK_HAVE_VSYNC;
vblank.count = 0;

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