commit: 68c4fce737c4b963e336435f225621dc21138397 From: Dan Carpenter <[email protected]> Date: Sun, 23 Sep 2012 19:33:55 +0300 Subject: 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 <[email protected]> cc: [email protected] Signed-off-by: Dave Airlie <[email protected]> --- 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 f2fb8f1..7e07433 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; -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
