diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-09-23 19:33:55 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-02 10:30:49 -0700 |
| commit | 9a266f619f8b9994b0c2bd9bb79605ddfa4ac32a (patch) | |
| tree | bc40e3a97250cc46f371081896b8dcd74c921794 | |
| parent | 03c4c80ee30ae2c965cd838dd0f21c97a877366d (diff) | |
vmwgfx: corruption in vmw_event_fence_action_create()
commit 68c4fce737c4b963e336435f225621dc21138397 upstream.
We don't allocate enough data for this struct. As soon as we start
modifying event->event on the next lines, then we're going beyond the
end of the memory we allocated.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_fence.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c index f2fb8f15e2f1..7e0743358dff 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c @@ -1018,7 +1018,7 @@ int vmw_event_fence_action_create(struct drm_file *file_priv, } - event = kzalloc(sizeof(event->event), GFP_KERNEL); + event = kzalloc(sizeof(*event), GFP_KERNEL); if (unlikely(event == NULL)) { DRM_ERROR("Failed to allocate an event.\n"); ret = -ENOMEM; |