| commit | a5cd335165e31db9dbab636fd29895d41da55dd2 | [log] [tgz] |
|---|---|---|
| author | Xi Wang <xi.wang@gmail.com> | Wed Nov 23 01:12:01 2011 -0500 |
| committer | Dave Airlie <airlied@redhat.com> | Wed Nov 23 08:59:28 2011 +0000 |
| tree | 4d01d5801047b466c44c40231773e66a9dfb704d | |
| parent | c916874d60d9daf2e2d5f4f622b185ef57deb6a4 [diff] |
drm: integer overflow in drm_mode_dirtyfb_ioctl() There is a potential integer overflow in drm_mode_dirtyfb_ioctl() if userspace passes in a large num_clips. The call to kmalloc would allocate a small buffer, and the call to fb->funcs->dirty may result in a memory corruption. Reported-by: Haogang Chen <haogangchen@gmail.com> Signed-off-by: Xi Wang <xi.wang@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>