| commit | 1539fb9bd405ee32282ea0a38404f9e008ac5b7a | [log] [tgz] |
|---|---|---|
| author | Zhaowei Yuan <zhaowei.yuan@samsung.com> | Wed Jun 18 14:33:59 2014 +0800 |
| committer | Dave Airlie <airlied@redhat.com> | Wed Jun 25 13:26:57 2014 +1000 |
| tree | 80d834baf72aa0f9b205c24528403a5eb69a3581 | |
| parent | a497c3ba1d97fc69c1e78e7b96435ba8c2cb42ee [diff] |
drm: fix NULL pointer access by wrong ioctl If user uses wrong ioctl command with _IOC_NONE and argument size greater than 0, it can cause NULL pointer access from memset of line 463. If _IOC_NONE, don't memset to 0 for kdata. Signed-off-by: Zhaowei Yuan <zhaowei.yuan@samsung.com> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com>