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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-09-23 19:33:55 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@gmail.com> | 2012-09-26 18:40:06 +1000 |
| commit | 68c4fce737c4b963e336435f225621dc21138397 (patch) | |
| tree | 4a651315ab08412d05490f66033ce738a8ac16e9 /drivers/gpu/drm/vmwgfx/vmwgfx_fence.c | |
| parent | 4f20d9ebb9c2a6b5db3d187595cbf437ee81d135 (diff) | |
| download | lwn-68c4fce737c4b963e336435f225621dc21138397.tar.gz lwn-68c4fce737c4b963e336435f225621dc21138397.zip | |
vmwgfx: corruption in vmw_event_fence_action_create()
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>
cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_fence.c')
| -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; |