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| author |   Xi Wang <xi.wang@gmail.com> | 2011-11-23 01:12:01 -0500 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2011-11-23 08:59:28 +0000 |
| commit | a5cd335165e31db9dbab636fd29895d41da55dd2 (patch) | |
| tree | 4d01d5801047b466c44c40231773e66a9dfb704d /lib/mpi/mpiutil.c | |
| parent | drivers/gpu/vga/vgaarb.c: add missing kfree (diff) | |
| download | wireguard-linux-a5cd335165e31db9dbab636fd29895d41da55dd2.tar.xz wireguard-linux-a5cd335165e31db9dbab636fd29895d41da55dd2.zip | |
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>
Diffstat (limited to 'lib/mpi/mpiutil.c')
0 files changed, 0 insertions, 0 deletions